From dfa0286aca8aeca49820ebb6a3b0e4461d30fe29 Mon Sep 17 00:00:00 2001
From: Alexander Akait <4567934+alexander-akait@users.noreply.github.com>
Date: Wed, 26 Jan 2022 14:35:49 +0300
Subject: [PATCH] feat(css/ast): Add types for dashed identifiers and
 `@color-profile` at-rules (#3364)

---
 .../swc_css_ast/src/at_rule/color_profile.rs  |  17 +
 crates/swc_css_ast/src/at_rule/mod.rs         |  20 +-
 crates/swc_css_ast/src/base.rs                |   7 +
 crates/swc_css_ast/src/style_rule.rs          |  12 +-
 crates/swc_css_ast/src/value.rs               |   5 +-
 crates/swc_css_codegen/src/lib.rs             |  47 +-
 crates/swc_css_parser/src/parser/at_rule.rs   |  79 ++-
 .../swc_css_parser/src/parser/style_rule.rs   |  29 +-
 crates/swc_css_parser/src/parser/value/mod.rs |  37 +-
 crates/swc_css_parser/tests/fixture.rs        |   5 +
 .../fixture/at-rule/color-profile/input.css   |   7 +
 .../fixture/at-rule/color-profile/output.json | 150 +++++
 .../at-rule/color-profile/span.rust-debug     | 180 ++++++
 .../fixture/at-rule/font-face/span.rust-debug |  12 +
 .../fixture/at-rule/import/span.rust-debug    | 132 ++++
 .../fixture/at-rule/keyframe/span.rust-debug  |  48 ++
 .../fixture/at-rule/layer/span.rust-debug     |  72 +++
 .../fixture/at-rule/page/span.rust-debug      |  36 ++
 .../fixture/at-rule/supports/span.rust-debug  | 180 ++++++
 .../tests/fixture/at-rule/unknown/output.json |  30 +-
 .../fixture/at-rule/unknown/span.rust-debug   | 180 ++++--
 .../tests/fixture/bom/span.rust-debug         |   6 +
 .../tests/fixture/comment/span.rust-debug     |  24 +
 .../tests/fixture/dashed-ident/input.css      |  15 +
 .../tests/fixture/dashed-ident/output.json    | 578 ++++++++++++++++++
 .../fixture/dashed-ident/span.rust-debug      | 504 +++++++++++++++
 .../fixture/declaration-list/span.rust-debug  |  12 +
 .../tests/fixture/declaration/span.rust-debug |  30 +
 .../fixture/delim/backslash/span.rust-debug   |   6 +
 .../fixture/dimension/basic/span.rust-debug   |  42 ++
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 .../Cz4vXE_NaBs6qNXE1kUyqQ/span.rust-debug    | Bin 1682 -> 1822 bytes
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 .../tests/fixture/value/url/span.rust-debug   | 122 +++-
 .../tests/fixture/vercel/001/span.rust-debug  |   6 +
 .../tests/fixture/vercel/002/span.rust-debug  |   6 +
 .../recovery/at-rule/import/empty/output.json |   4 +-
 .../at-rule/import/indent/output.json         |   4 +-
 .../at-rule/import/no-semi/output.json        |   4 +-
 .../keyframes/custom-ident-1/output.json      |   4 +-
 .../keyframes/custom-ident-2/output.json      |   4 +-
 .../keyframes/custom-ident-3/output.json      |   4 +-
 .../keyframes/custom-ident-4/output.json      |   4 +-
 .../keyframes/custom-ident/output.json        |   4 +-
 .../at-rule/keyframes/empty-name/output.json  |   4 +-
 .../keyframes/keyframe-number/output.json     |   4 +-
 .../recovery/at-rule/layer/block/output.json  |   4 +-
 .../recovery/at-rule/layer/empty/output.json  |   4 +-
 .../layer/string-name-block/output.json       |   4 +-
 .../layer/string-name-statement/output.json   |   4 +-
 .../at-rule/media/condition-1/output.json     |   4 +-
 .../media/condition-and-or/output.json        |   4 +-
 .../at-rule/media/condition/output.json       |   4 +-
 .../at-rule/media/feature-name-1/output.json  |   4 +-
 .../at-rule/media/feature-name-2/output.json  |   4 +-
 .../at-rule/media/feature-name/output.json    |   4 +-
 .../at-rule/media/feature-range-1/output.json |   4 +-
 .../at-rule/media/feature-range-2/output.json |   4 +-
 .../at-rule/media/feature-range-3/output.json |   4 +-
 .../at-rule/media/feature-range-4/output.json |   4 +-
 .../at-rule/media/feature-range-5/output.json |   4 +-
 .../at-rule/media/feature-range-6/output.json |   4 +-
 .../at-rule/media/feature-range/output.json   |   4 +-
 .../at-rule/media/feature/output.json         |   4 +-
 .../recovery/at-rule/media/ratio/output.json  |   4 +-
 .../at-rule/supports/no-parens/output.json    |   4 +-
 .../at-rule/supports/wrong-or-and/output.json |   4 +-
 .../recovery/at-rule/unknown/output.json      |   2 +-
 .../tests/recovery/value/url/output.json      |   2 +-
 crates/swc_css_visit/src/lib.rs               |  34 +-
 crates/swc_stylis/src/prefixer.rs             |  56 +-
 310 files changed, 5660 insertions(+), 340 deletions(-)
 create mode 100644 crates/swc_css_ast/src/at_rule/color_profile.rs
 create mode 100644 crates/swc_css_parser/tests/fixture/at-rule/color-profile/input.css
 create mode 100644 crates/swc_css_parser/tests/fixture/at-rule/color-profile/output.json
 create mode 100644 crates/swc_css_parser/tests/fixture/at-rule/color-profile/span.rust-debug
 create mode 100644 crates/swc_css_parser/tests/fixture/dashed-ident/input.css
 create mode 100644 crates/swc_css_parser/tests/fixture/dashed-ident/output.json
 create mode 100644 crates/swc_css_parser/tests/fixture/dashed-ident/span.rust-debug

diff --git a/crates/swc_css_ast/src/at_rule/color_profile.rs b/crates/swc_css_ast/src/at_rule/color_profile.rs
new file mode 100644
index 00000000000..2d6bcf6047d
--- /dev/null
+++ b/crates/swc_css_ast/src/at_rule/color_profile.rs
@@ -0,0 +1,17 @@
+use crate::{DashedIdent, DeclarationBlockItem, Ident};
+use swc_common::{ast_node, Span};
+
+#[ast_node]
+pub enum ColorProfileName {
+    #[tag("DashedIdent")]
+    DashedIdent(DashedIdent),
+    #[tag("Ident")]
+    Ident(Ident),
+}
+
+#[ast_node("ColorProfileRule")]
+pub struct ColorProfileRule {
+    pub span: Span,
+    pub name: ColorProfileName,
+    pub block: Vec<DeclarationBlockItem>,
+}
diff --git a/crates/swc_css_ast/src/at_rule/mod.rs b/crates/swc_css_ast/src/at_rule/mod.rs
index c8e98777160..83a51861d61 100644
--- a/crates/swc_css_ast/src/at_rule/mod.rs
+++ b/crates/swc_css_ast/src/at_rule/mod.rs
@@ -1,11 +1,13 @@
 pub use self::{
-    charset::*, document::*, import::*, keyframe::*, layer::*, media::*, page::*, support::*,
+    charset::*, color_profile::*, document::*, import::*, keyframe::*, layer::*, media::*, page::*,
+    support::*,
 };
-use crate::{Block, Ident, SimpleBlock, Str, Url, Value};
+use crate::{Block, DashedIdent, Ident, SimpleBlock, Str, Url, Value};
 use is_macro::Is;
 use swc_common::{ast_node, Span};
 
 mod charset;
+mod color_profile;
 mod document;
 mod import;
 mod keyframe;
@@ -50,6 +52,9 @@ pub enum AtRule {
     #[tag("DocumentRule")]
     Document(DocumentRule),
 
+    #[tag("ColorProfileRule")]
+    ColorProfile(ColorProfileRule),
+
     #[tag("UnknownAtRule")]
     Unknown(UnknownAtRule),
 }
@@ -82,10 +87,19 @@ pub struct ViewportRule {
     pub block: Block,
 }
 
+#[ast_node]
+pub enum AtRuleName {
+    #[tag("DashedIdent")]
+    DashedIdent(DashedIdent),
+
+    #[tag("Ident")]
+    Ident(Ident),
+}
+
 #[ast_node("UnknownAtRule")]
 pub struct UnknownAtRule {
     pub span: Span,
-    pub name: Ident,
+    pub name: AtRuleName,
     pub prelude: Vec<Value>,
     pub block: Option<SimpleBlock>,
 }
diff --git a/crates/swc_css_ast/src/base.rs b/crates/swc_css_ast/src/base.rs
index 7f08736fc1f..cabfb7f8209 100644
--- a/crates/swc_css_ast/src/base.rs
+++ b/crates/swc_css_ast/src/base.rs
@@ -15,6 +15,13 @@ pub struct CustomIdent {
     pub raw: JsWord,
 }
 
+#[ast_node("DashedIdentifier")]
+pub struct DashedIdent {
+    pub span: Span,
+    pub value: JsWord,
+    pub raw: JsWord,
+}
+
 /// Quoted string.
 #[ast_node("String")]
 pub struct Str {
diff --git a/crates/swc_css_ast/src/style_rule.rs b/crates/swc_css_ast/src/style_rule.rs
index 85ba2f0b41f..30f1a8221b2 100644
--- a/crates/swc_css_ast/src/style_rule.rs
+++ b/crates/swc_css_ast/src/style_rule.rs
@@ -1,4 +1,4 @@
-use crate::{AtRule, Ident, SelectorList, Tokens, Value};
+use crate::{AtRule, DashedIdent, Ident, SelectorList, Tokens, Value};
 use swc_common::{ast_node, Span};
 
 #[ast_node("SimpleBlock")]
@@ -33,10 +33,18 @@ pub enum DeclarationBlockItem {
     AtRule(AtRule),
 }
 
+#[ast_node]
+pub enum DeclarationProperty {
+    #[tag("Ident")]
+    Ident(Ident),
+    #[tag("DashedIdent")]
+    DashedIdent(DashedIdent),
+}
+
 #[ast_node("Declaration")]
 pub struct Declaration {
     pub span: Span,
-    pub property: Ident,
+    pub property: DeclarationProperty,
     pub value: Vec<Value>,
     /// The span includes `!`
     pub important: Option<Span>,
diff --git a/crates/swc_css_ast/src/value.rs b/crates/swc_css_ast/src/value.rs
index 5e12729178f..30d22a6e191 100644
--- a/crates/swc_css_ast/src/value.rs
+++ b/crates/swc_css_ast/src/value.rs
@@ -1,4 +1,4 @@
-use crate::{Ident, SimpleBlock, Str, Tokens};
+use crate::{DashedIdent, Ident, SimpleBlock, Str, Tokens};
 use string_enum::StringEnum;
 use swc_atoms::JsWord;
 use swc_common::{ast_node, EqIgnoreSpan, Span};
@@ -26,6 +26,9 @@ pub enum Value {
     #[tag("Ident")]
     Ident(Ident),
 
+    #[tag("DashedIdent")]
+    DashedIdent(DashedIdent),
+
     #[tag("String")]
     Str(Str),
 
diff --git a/crates/swc_css_codegen/src/lib.rs b/crates/swc_css_codegen/src/lib.rs
index f4019d759c9..7187b479ede 100644
--- a/crates/swc_css_codegen/src/lib.rs
+++ b/crates/swc_css_codegen/src/lib.rs
@@ -79,6 +79,7 @@ where
             AtRule::Namespace(n) => emit!(self, n),
             AtRule::Viewport(n) => emit!(self, n),
             AtRule::Document(n) => emit!(self, n),
+            AtRule::ColorProfile(n) => emit!(self, n),
             AtRule::Unknown(n) => emit!(self, n),
         }
     }
@@ -572,6 +573,7 @@ where
             Value::Ratio(n) => emit!(self, n),
             Value::Hash(n) => emit!(self, n),
             Value::Ident(n) => emit!(self, n),
+            Value::DashedIdent(n) => emit!(self, n),
             Value::Str(n) => emit!(self, n),
             Value::Bin(n) => emit!(self, n),
             Value::Space(n) => emit!(self, n),
@@ -582,6 +584,33 @@ where
         }
     }
 
+    #[emitter]
+    fn emit_at_rule_name(&mut self, n: &AtRuleName) -> Result {
+        match n {
+            AtRuleName::Ident(n) => emit!(self, n),
+            AtRuleName::DashedIdent(n) => emit!(self, n),
+        }
+    }
+
+    #[emitter]
+    fn emit_color_profile_name(&mut self, n: &ColorProfileName) -> Result {
+        match n {
+            ColorProfileName::Ident(n) => emit!(self, n),
+            ColorProfileName::DashedIdent(n) => emit!(self, n),
+        }
+    }
+
+    #[emitter]
+    fn emit_color_profile_rule(&mut self, n: &ColorProfileRule) -> Result {
+        punct!(self, "@");
+        keyword!(self, "color-profile");
+        space!(self);
+        emit!(self, n.name);
+        punct!(self, "{");
+        self.emit_list(&n.block, ListFormat::NotDelimited)?;
+        punct!(self, "}");
+    }
+
     #[emitter]
     fn emit_unknown_at_rule(&mut self, n: &UnknownAtRule) -> Result {
         punct!(self, "@");
@@ -642,12 +671,23 @@ where
         }
     }
 
+    #[emitter]
+    fn emit_declaration_property(&mut self, n: &DeclarationProperty) -> Result {
+        match n {
+            DeclarationProperty::Ident(n) => emit!(self, n),
+            DeclarationProperty::DashedIdent(n) => emit!(self, n),
+        }
+    }
+
     #[emitter]
     fn emit_declaration(&mut self, n: &Declaration) -> Result {
         emit!(self, n.property);
         punct!(self, ":");
 
-        let is_custom_property = n.property.value.starts_with("--");
+        let is_custom_property = match n.property {
+            DeclarationProperty::DashedIdent(_) => true,
+            DeclarationProperty::Ident(_) => false,
+        };
 
         if !is_custom_property {
             formatting_space!(self);
@@ -685,6 +725,11 @@ where
         self.wr.write_raw(Some(n.span), &n.raw)?;
     }
 
+    #[emitter]
+    fn emit_dashed_ident(&mut self, n: &DashedIdent) -> Result {
+        self.wr.write_raw(Some(n.span), &n.raw)?;
+    }
+
     #[emitter]
     fn emit_keyframe_block_rule(&mut self, n: &KeyframeBlockRule) -> Result {
         match n {
diff --git a/crates/swc_css_parser/src/parser/at_rule.rs b/crates/swc_css_parser/src/parser/at_rule.rs
index 9d6adfa679e..254ab1636eb 100644
--- a/crates/swc_css_parser/src/parser/at_rule.rs
+++ b/crates/swc_css_parser/src/parser/at_rule.rs
@@ -4,7 +4,7 @@ use crate::{
     parser::{Ctx, RuleContext},
     Parse,
 };
-use swc_common::Span;
+use swc_common::{BytePos, Span};
 use swc_css_ast::*;
 
 #[derive(Debug, Default)]
@@ -195,21 +195,54 @@ where
                 }
             }
 
+            "color-profile" => {
+                self.input.skip_ws()?;
+
+                let at_rule_color_profile = self.parse();
+
+                if at_rule_color_profile.is_ok() {
+                    return at_rule_color_profile
+                        .map(|mut r: ColorProfileRule| {
+                            r.span.lo = at_rule_span.lo;
+                            r
+                        })
+                        .map(AtRule::ColorProfile);
+                }
+            }
+
             _ => {}
         }
 
         self.input.reset(&state);
 
+        let name = if name.0.starts_with("--") {
+            AtRuleName::DashedIdent(DashedIdent {
+                span: Span::new(
+                    at_rule_span.lo + BytePos(1),
+                    at_rule_span.hi,
+                    Default::default(),
+                ),
+                value: name.0,
+                raw: name.1,
+            })
+        } else {
+            AtRuleName::Ident(Ident {
+                span: Span::new(
+                    at_rule_span.lo + BytePos(1),
+                    at_rule_span.hi,
+                    Default::default(),
+                ),
+                value: name.0,
+                raw: name.1,
+            })
+        };
+
         // Consume the next input token. Create a new at-rule with its name set to the
         // value of the current input token, its prelude initially set to an empty list,
         // and its value initially set to nothing.
         let mut at_rule = UnknownAtRule {
             span: span!(self, at_rule_span.lo),
-            name: Ident {
-                span: span!(self, at_rule_span.lo),
-                value: name.0,
-                raw: name.1,
-            },
+            name,
             prelude: vec![],
             block: None,
         };
@@ -1543,3 +1576,37 @@ where
         })
     }
 }
+
+impl<I> Parse<ColorProfileRule> for Parser<I>
+where
+    I: ParserInput,
+{
+    fn parse(&mut self) -> PResult<ColorProfileRule> {
+        let span = self.input.cur_span()?;
+
+        let name = match cur!(self) {
+            Token::Ident { value, .. } => {
+                if value.starts_with("--") {
+                    ColorProfileName::DashedIdent(self.parse()?)
+                } else {
+                    ColorProfileName::Ident(self.parse()?)
+                }
+            }
+            _ => {
+                return Err(Error::new(span, ErrorKind::Expected("ident")));
+            }
+        };
+
+        expect!(self, "{");
+
+        let block = self.parse()?;
+
+        expect!(self, "}");
+
+        Ok(ColorProfileRule {
+            span: span!(self, span.lo),
+            name,
+            block,
+        })
+    }
+}
diff --git a/crates/swc_css_parser/src/parser/style_rule.rs b/crates/swc_css_parser/src/parser/style_rule.rs
index 0384a133542..f463c404314 100644
--- a/crates/swc_css_parser/src/parser/style_rule.rs
+++ b/crates/swc_css_parser/src/parser/style_rule.rs
@@ -203,11 +203,28 @@ where
     I: ParserInput,
 {
     fn parse(&mut self) -> PResult<Declaration> {
-        let start = self.input.cur_span()?.lo;
+        let span = self.input.cur_span()?;
 
         self.input.skip_ws()?;
 
-        let property: Ident = self.parse()?;
+        let is_dashed_ident = match cur!(self) {
+            Token::Ident { value, .. } => {
+                if value.starts_with("--") {
+                    true
+                } else {
+                    false
+                }
+            }
+            _ => {
+                return Err(Error::new(span, ErrorKind::Expected("Ident")));
+            }
+        };
+
+        let property = if is_dashed_ident {
+            DeclarationProperty::DashedIdent(self.parse()?)
+        } else {
+            DeclarationProperty::Ident(self.parse()?)
+        };
 
         self.input.skip_ws()?;
 
@@ -217,13 +234,13 @@ where
         let mut value = vec![];
 
         if !is!(self, EOF) {
-            match &*property.value {
-                str if str.starts_with("--") => {
+            match is_dashed_ident {
+                true => {
                     let tokens = Value::Tokens(self.parse_declaration_value()?);
 
                     value.push(tokens);
                 }
-                _ => {
+                false => {
                     let ctx = Ctx {
                         allow_operation_in_value: false,
                         recover_from_property_value: true,
@@ -273,7 +290,7 @@ where
         self.input.skip_ws()?;
 
         Ok(Declaration {
-            span: Span::new(start, end, Default::default()),
+            span: Span::new(span.lo, end, Default::default()),
             property,
             value,
             important,
diff --git a/crates/swc_css_parser/src/parser/value/mod.rs b/crates/swc_css_parser/src/parser/value/mod.rs
index fb240936030..c39fcabff9e 100644
--- a/crates/swc_css_parser/src/parser/value/mod.rs
+++ b/crates/swc_css_parser/src/parser/value/mod.rs
@@ -293,7 +293,13 @@ where
 
             tok!("dimension") => return self.parse_numeric_value(),
 
-            tok!("ident") => return Ok(Value::Ident(self.parse()?)),
+            Token::Ident { value, .. } => {
+                if value.starts_with("--") {
+                    return Ok(Value::DashedIdent(self.parse()?));
+                };
+
+                return Ok(Value::Ident(self.parse()?));
+            }
 
             tok!("[") => return self.parse_square_brackets_value().map(From::from),
 
@@ -661,6 +667,35 @@ where
     }
 }
 
+impl<I> Parse<DashedIdent> for Parser<I>
+where
+    I: ParserInput,
+{
+    fn parse(&mut self) -> PResult<DashedIdent> {
+        let span = self.input.cur_span()?;
+
+        if !is!(self, Ident) {
+            return Err(Error::new(span, ErrorKind::Expected("Ident")));
+        }
+
+        match bump!(self) {
+            Token::Ident { value, raw } => {
+                if !value.starts_with("--") {
+                    return Err(Error::new(
+                        span,
+                        ErrorKind::Expected("'--' at the start of dashed-ident"),
+                    ));
+                }
+
+                Ok(DashedIdent { span, value, raw })
+            }
+            _ => {
+                unreachable!()
+            }
+        }
+    }
+}
+
 impl<I> Parse<Ident> for Parser<I>
 where
     I: ParserInput,
diff --git a/crates/swc_css_parser/tests/fixture.rs b/crates/swc_css_parser/tests/fixture.rs
index 47223da4bc5..8b8084ec42b 100644
--- a/crates/swc_css_parser/tests/fixture.rs
+++ b/crates/swc_css_parser/tests/fixture.rs
@@ -299,6 +299,7 @@ impl Visit for SpanVisualizer<'_> {
     mtd!(Number, visit_number);
     mtd!(Ratio, visit_ratio);
     mtd!(Percent, visit_percent);
+    mtd!(DeclarationProperty, visit_declaration_property);
     mtd!(Declaration, visit_declaration);
     mtd!(Nth, visit_nth);
     mtd!(AnPlusB, visit_an_plus_b);
@@ -313,6 +314,7 @@ impl Visit for SpanVisualizer<'_> {
     mtd!(TagSelector, visit_tag_selector);
     mtd!(Ident, visit_ident);
     mtd!(CustomIdent, visit_custom_ident);
+    mtd!(DashedIdent, visit_dashed_ident);
     mtd!(Tokens, visit_tokens);
     mtd!(Unit, visit_unit);
     mtd!(UnitValue, visit_unit_value);
@@ -376,8 +378,11 @@ impl Visit for SpanVisualizer<'_> {
     mtd!(PageRuleBlock, visit_page_rule_block);
     mtd!(PageRuleBlockItem, visit_page_rule_block_item);
     mtd!(PageSelector, visit_page_selector);
+    mtd!(AtRuleName, visit_at_rule_name);
     mtd!(UnknownAtRule, visit_unknown_at_rule);
     mtd!(ViewportRule, visit_viewport_rule);
+    mtd!(ColorProfileName, visit_color_profile_name);
+    mtd!(ColorProfileRule, visit_color_profile_rule);
 
     fn visit_token_and_span(&mut self, n: &TokenAndSpan) {
         self.handler
diff --git a/crates/swc_css_parser/tests/fixture/at-rule/color-profile/input.css b/crates/swc_css_parser/tests/fixture/at-rule/color-profile/input.css
new file mode 100644
index 00000000000..842a0278bee
--- /dev/null
+++ b/crates/swc_css_parser/tests/fixture/at-rule/color-profile/input.css
@@ -0,0 +1,7 @@
+@color-profile --fogra39 {
+    src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+}
+
+@color-profile device-cmyk {
+    src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+}
diff --git a/crates/swc_css_parser/tests/fixture/at-rule/color-profile/output.json b/crates/swc_css_parser/tests/fixture/at-rule/color-profile/output.json
new file mode 100644
index 00000000000..5fdf68421e4
--- /dev/null
+++ b/crates/swc_css_parser/tests/fixture/at-rule/color-profile/output.json
@@ -0,0 +1,150 @@
+{
+  "type": "Stylesheet",
+  "span": {
+    "start": 0,
+    "end": 222,
+    "ctxt": 0
+  },
+  "rules": [
+    {
+      "type": "ColorProfileRule",
+      "span": {
+        "start": 0,
+        "end": 94,
+        "ctxt": 0
+      },
+      "name": {
+        "type": "DashedIdentifier",
+        "span": {
+          "start": 15,
+          "end": 24,
+          "ctxt": 0
+        },
+        "value": "--fogra39",
+        "raw": "--fogra39"
+      },
+      "block": [
+        {
+          "type": "Declaration",
+          "span": {
+            "start": 31,
+            "end": 91,
+            "ctxt": 0
+          },
+          "property": {
+            "type": "Identifier",
+            "span": {
+              "start": 31,
+              "end": 34,
+              "ctxt": 0
+            },
+            "value": "src",
+            "raw": "src"
+          },
+          "value": [
+            {
+              "type": "Url",
+              "span": {
+                "start": 36,
+                "end": 91,
+                "ctxt": 0
+              },
+              "name": {
+                "type": "Identifier",
+                "span": {
+                  "start": 36,
+                  "end": 39,
+                  "ctxt": 0
+                },
+                "value": "url",
+                "raw": "url"
+              },
+              "value": {
+                "type": "String",
+                "span": {
+                  "start": 40,
+                  "end": 90,
+                  "ctxt": 0
+                },
+                "value": "https://example.org/Coated_Fogra39L_VIGC_300.icc",
+                "raw": "'https://example.org/Coated_Fogra39L_VIGC_300.icc'"
+              },
+              "modifiers": []
+            }
+          ],
+          "important": null
+        }
+      ]
+    },
+    {
+      "type": "ColorProfileRule",
+      "span": {
+        "start": 96,
+        "end": 221,
+        "ctxt": 0
+      },
+      "name": {
+        "type": "Identifier",
+        "span": {
+          "start": 111,
+          "end": 122,
+          "ctxt": 0
+        },
+        "value": "device-cmyk",
+        "raw": "device-cmyk"
+      },
+      "block": [
+        {
+          "type": "Declaration",
+          "span": {
+            "start": 129,
+            "end": 218,
+            "ctxt": 0
+          },
+          "property": {
+            "type": "Identifier",
+            "span": {
+              "start": 129,
+              "end": 132,
+              "ctxt": 0
+            },
+            "value": "src",
+            "raw": "src"
+          },
+          "value": [
+            {
+              "type": "Url",
+              "span": {
+                "start": 134,
+                "end": 218,
+                "ctxt": 0
+              },
+              "name": {
+                "type": "Identifier",
+                "span": {
+                  "start": 134,
+                  "end": 137,
+                  "ctxt": 0
+                },
+                "value": "url",
+                "raw": "url"
+              },
+              "value": {
+                "type": "String",
+                "span": {
+                  "start": 138,
+                  "end": 217,
+                  "ctxt": 0
+                },
+                "value": "https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc",
+                "raw": "'https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc'"
+              },
+              "modifiers": []
+            }
+          ],
+          "important": null
+        }
+      ]
+    }
+  ]
+}
diff --git a/crates/swc_css_parser/tests/fixture/at-rule/color-profile/span.rust-debug b/crates/swc_css_parser/tests/fixture/at-rule/color-profile/span.rust-debug
new file mode 100644
index 00000000000..de6b4ab916a
--- /dev/null
+++ b/crates/swc_css_parser/tests/fixture/at-rule/color-profile/span.rust-debug
@@ -0,0 +1,180 @@
+error: Stylesheet
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:1:1
+  |
+1 | / @color-profile --fogra39 {
+2 | |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+3 | | }
+4 | |
+5 | | @color-profile device-cmyk {
+6 | |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+7 | | }
+  | |__^
+
+error: Rule
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:1:1
+  |
+1 | / @color-profile --fogra39 {
+2 | |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+3 | | }
+  | |_^
+
+error: AtRule
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:1:1
+  |
+1 | / @color-profile --fogra39 {
+2 | |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+3 | | }
+  | |_^
+
+error: ColorProfileRule
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:1:1
+  |
+1 | / @color-profile --fogra39 {
+2 | |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+3 | | }
+  | |_^
+
+error: ColorProfileName
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:1:16
+  |
+1 | @color-profile --fogra39 {
+  |                ^^^^^^^^^
+
+error: DashedIdent
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:1:16
+  |
+1 | @color-profile --fogra39 {
+  |                ^^^^^^^^^
+
+error: Declaration
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:2:5
+  |
+2 |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:2:5
+  |
+2 |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+  |     ^^^
+
+error: Ident
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:2:5
+  |
+2 |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+  |     ^^^
+
+error: Value
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:2:10
+  |
+2 |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+  |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: Url
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:2:10
+  |
+2 |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+  |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:2:10
+  |
+2 |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+  |          ^^^
+
+error: UrlValue
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:2:14
+  |
+2 |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+  |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: Str
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:2:14
+  |
+2 |     src: url('https://example.org/Coated_Fogra39L_VIGC_300.icc');
+  |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: Rule
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:5:1
+  |
+5 | / @color-profile device-cmyk {
+6 | |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+7 | | }
+  | |_^
+
+error: AtRule
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:5:1
+  |
+5 | / @color-profile device-cmyk {
+6 | |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+7 | | }
+  | |_^
+
+error: ColorProfileRule
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:5:1
+  |
+5 | / @color-profile device-cmyk {
+6 | |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+7 | | }
+  | |_^
+
+error: ColorProfileName
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:5:16
+  |
+5 | @color-profile device-cmyk {
+  |                ^^^^^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:5:16
+  |
+5 | @color-profile device-cmyk {
+  |                ^^^^^^^^^^^
+
+error: Declaration
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:6:5
+  |
+6 |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:6:5
+  |
+6 |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+  |     ^^^
+
+error: Ident
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:6:5
+  |
+6 |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+  |     ^^^
+
+error: Value
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:6:10
+  |
+6 |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+  |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: Url
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:6:10
+  |
+6 |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+  |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:6:10
+  |
+6 |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+  |          ^^^
+
+error: UrlValue
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:6:14
+  |
+6 |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+  |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: Str
+ --> $DIR/tests/fixture/at-rule/color-profile/input.css:6:14
+  |
+6 |     src: url('https://drafts.csswg.org/css-color-4/ICCprofiles/Coated_Fogra39L_VIGC_300.icc');
+  |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
diff --git a/crates/swc_css_parser/tests/fixture/at-rule/font-face/span.rust-debug b/crates/swc_css_parser/tests/fixture/at-rule/font-face/span.rust-debug
index ad15c362716..a091add93ec 100644
--- a/crates/swc_css_parser/tests/fixture/at-rule/font-face/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/at-rule/font-face/span.rust-debug
@@ -55,6 +55,12 @@ error: Declaration
 2 |     font-family: "Open Sans";
   |     ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/font-face/input.css:2:5
+  |
+2 |     font-family: "Open Sans";
+  |     ^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/font-face/input.css:2:5
   |
@@ -80,6 +86,12 @@ error: Declaration
 4 | |     url("/fonts/OpenSans-Regular-webfont.woff") format("woff");
   | |______________________________________________________________^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/font-face/input.css:3:5
+  |
+3 |     src: url("/fonts/OpenSans-Regular-webfont.woff2") format("woff2"),
+  |     ^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/font-face/input.css:3:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/at-rule/import/span.rust-debug b/crates/swc_css_parser/tests/fixture/at-rule/import/span.rust-debug
index f9b08100416..749b8494a70 100644
--- a/crates/swc_css_parser/tests/fixture/at-rule/import/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/at-rule/import/span.rust-debug
@@ -1018,6 +1018,12 @@ error: Declaration
 19 | @import url("narrow.css") supports(display: flex) handheld and (max-width: 400px);
    |                                    ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/import/input.css:19:36
+   |
+19 | @import url("narrow.css") supports(display: flex) handheld and (max-width: 400px);
+   |                                    ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/import/input.css:19:36
    |
@@ -1180,6 +1186,12 @@ error: Declaration
 20 | @import url("narrow.css") SUPPORTS(display: flex) handheld and (max-width: 400px);
    |                                    ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/import/input.css:20:36
+   |
+20 | @import url("narrow.css") SUPPORTS(display: flex) handheld and (max-width: 400px);
+   |                                    ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/import/input.css:20:36
    |
@@ -1372,6 +1384,12 @@ error: Declaration
 21 | @import url("fallback-layout.css") supports(not (display: flex));
    |                                                  ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/import/input.css:21:50
+   |
+21 | @import url("fallback-layout.css") supports(not (display: flex));
+   |                                                  ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/import/input.css:21:50
    |
@@ -4666,6 +4684,12 @@ error: Declaration
 108 | @import "test.css" supports(display: flex);
     |                             ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:108:29
+    |
+108 | @import "test.css" supports(display: flex);
+    |                             ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:108:29
     |
@@ -4726,6 +4750,12 @@ error: Declaration
 109 | @import "test.css" supports(display: flex) screen and (orientation:landscape);
     |                             ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:109:29
+    |
+109 | @import "test.css" supports(display: flex) screen and (orientation:landscape);
+    |                             ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:109:29
     |
@@ -4858,6 +4888,12 @@ error: Declaration
 110 | @import"test.css"supports(display: flex)screen and (orientation:landscape);
     |                           ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:110:27
+    |
+110 | @import"test.css"supports(display: flex)screen and (orientation:landscape);
+    |                           ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:110:27
     |
@@ -5452,6 +5488,12 @@ error: Declaration
 128 | @import url("./test.css") supports(display: flex);
     |                                    ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:128:36
+    |
+128 | @import url("./test.css") supports(display: flex);
+    |                                    ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:128:36
     |
@@ -5530,6 +5572,12 @@ error: Declaration
 129 | @import url("./test.css") supports(display: flex !important);
     |                                    ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:129:36
+    |
+129 | @import url("./test.css") supports(display: flex !important);
+    |                                    ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:129:36
     |
@@ -5608,6 +5656,12 @@ error: Declaration
 130 | @import url("./test.css") supports(display: flex) screen and (min-width: 400px);
     |                                    ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:130:36
+    |
+130 | @import url("./test.css") supports(display: flex) screen and (min-width: 400px);
+    |                                    ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:130:36
     |
@@ -5938,6 +5992,12 @@ error: Declaration
 133 | @import url("./test.css") layer(default) supports(display: flex) screen and (min-width: 400px);
     |                                                   ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:133:51
+    |
+133 | @import url("./test.css") layer(default) supports(display: flex) screen and (min-width: 400px);
+    |                                                   ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:133:51
     |
@@ -6112,6 +6172,12 @@ error: Declaration
 134 | @import url("./test.css") layer supports(display: flex) screen and (min-width: 400px);
     |                                          ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:134:42
+    |
+134 | @import url("./test.css") layer supports(display: flex) screen and (min-width: 400px);
+    |                                          ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:134:42
     |
@@ -6292,6 +6358,12 @@ error: Declaration
 135 | @import url("./test.css") layer() supports(display: flex) screen and (min-width: 400px);
     |                                            ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:135:44
+    |
+135 | @import url("./test.css") layer() supports(display: flex) screen and (min-width: 400px);
+    |                                            ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:135:44
     |
@@ -6520,6 +6592,12 @@ error: Declaration
 137 | @import url("http://example.com/style.css") supports(display: flex) screen and (min-width: 400px);
     |                                                      ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:137:54
+    |
+137 | @import url("http://example.com/style.css") supports(display: flex) screen and (min-width: 400px);
+    |                                                      ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:137:54
     |
@@ -6712,6 +6790,12 @@ error: Declaration
 138 | @import url("./test.css")layer(default)supports(display: flex)screen and (min-width:400px);
     |                                                 ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:138:49
+    |
+138 | @import url("./test.css")layer(default)supports(display: flex)screen and (min-width:400px);
+    |                                                 ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:138:49
     |
@@ -7036,6 +7120,12 @@ error: Declaration
 142 | @import url("./test.css") /* Comment */ layer(/* Comment */default/* Comment */) /* Comment */ supports(/* Comment */display/* Comment */:/* Comment */ flex/* Comment */)/* Comment */ screen/* Comment */ and/* Comment */ (/* Comment */min-width/* Comment */: /* Comment */400px/* Comment */);
     |                                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:142:118
+    |
+142 | @import url("./test.css") /* Comment */ layer(/* Comment */default/* Comment */) /* Comment */ supports(/* Comment */display/* Comment */:/* Comment */ flex/* Comment */)/* Comment */ screen/* Comment */ and/* Comment */ (/* Comment */min-width/* Comment */: /* Comment */400px/* Comment */);
+    |                                                                                                                      ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:142:118
     |
@@ -7648,6 +7738,12 @@ error: Declaration
 149 | @import url("./import-with-supports.css") supports(display: flex);
     |                                                    ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:149:52
+    |
+149 | @import url("./import-with-supports.css") supports(display: flex);
+    |                                                    ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:149:52
     |
@@ -7768,6 +7864,12 @@ error: Declaration
 150 | @import url("./import-with-supports.css") supports(((display: flex)));
     |                                                      ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:150:54
+    |
+150 | @import url("./import-with-supports.css") supports(((display: flex)));
+    |                                                      ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:150:54
     |
@@ -7846,6 +7948,12 @@ error: Declaration
 151 | @import url("./deep-import-with-supports.css") supports(display: flex);
     |                                                         ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:151:57
+    |
+151 | @import url("./deep-import-with-supports.css") supports(display: flex);
+    |                                                         ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:151:57
     |
@@ -7924,6 +8032,12 @@ error: Declaration
 152 | @import url('./test.css') supports(display: grid);
     |                                    ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:152:36
+    |
+152 | @import url('./test.css') supports(display: grid);
+    |                                    ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:152:36
     |
@@ -8002,6 +8116,12 @@ error: Declaration
 153 | @import url('./test.css') supports(   display   :    grid   );
     |                                       ^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:153:39
+    |
+153 | @import url('./test.css') supports(   display   :    grid   );
+    |                                       ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:153:39
     |
@@ -8080,6 +8200,12 @@ error: Declaration
 154 | @import url("./import-with-supports-and-media.css") supports(display: flex) screen and (min-width: 400px);
     |                                                              ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:154:62
+    |
+154 | @import url("./import-with-supports-and-media.css") supports(display: flex) screen and (min-width: 400px);
+    |                                                              ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:154:62
     |
@@ -8506,6 +8632,12 @@ error: Declaration
 158 | @import url("./import-with-layer-and-supports.css") layer(default) supports(display: flex);
     |                                                                             ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+   --> $DIR/tests/fixture/at-rule/import/input.css:158:77
+    |
+158 | @import url("./import-with-layer-and-supports.css") layer(default) supports(display: flex);
+    |                                                                             ^^^^^^^
+
 error: Ident
    --> $DIR/tests/fixture/at-rule/import/input.css:158:77
     |
diff --git a/crates/swc_css_parser/tests/fixture/at-rule/keyframe/span.rust-debug b/crates/swc_css_parser/tests/fixture/at-rule/keyframe/span.rust-debug
index 1458584a8b0..5f0a1d8ff3c 100644
--- a/crates/swc_css_parser/tests/fixture/at-rule/keyframe/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/at-rule/keyframe/span.rust-debug
@@ -168,6 +168,12 @@ error: Declaration
 7 |         transform: translateX(0%);
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/keyframe/input.css:7:9
+  |
+7 |         transform: translateX(0%);
+  |         ^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/keyframe/input.css:7:9
   |
@@ -254,6 +260,12 @@ error: Declaration
 11 |         transform: translateX(100%);
    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/keyframe/input.css:11:9
+   |
+11 |         transform: translateX(100%);
+   |         ^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/keyframe/input.css:11:9
    |
@@ -377,6 +389,12 @@ error: Declaration
 16 |     0% { top: 0; left: 0; }
    |          ^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/keyframe/input.css:16:10
+   |
+16 |     0% { top: 0; left: 0; }
+   |          ^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/keyframe/input.css:16:10
    |
@@ -401,6 +419,12 @@ error: Declaration
 16 |     0% { top: 0; left: 0; }
    |                  ^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/keyframe/input.css:16:18
+   |
+16 |     0% { top: 0; left: 0; }
+   |                  ^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/keyframe/input.css:16:18
    |
@@ -461,6 +485,12 @@ error: Declaration
 17 |     30% { top: 50px; }
    |           ^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/keyframe/input.css:17:11
+   |
+17 |     30% { top: 50px; }
+   |           ^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/keyframe/input.css:17:11
    |
@@ -551,6 +581,12 @@ error: Declaration
 18 |     68%, 72% { left: 50px; }
    |                ^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/keyframe/input.css:18:16
+   |
+18 |     68%, 72% { left: 50px; }
+   |                ^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/keyframe/input.css:18:16
    |
@@ -623,6 +659,12 @@ error: Declaration
 19 |     100% { top: 100px; left: 100%; }
    |            ^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/keyframe/input.css:19:12
+   |
+19 |     100% { top: 100px; left: 100%; }
+   |            ^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/keyframe/input.css:19:12
    |
@@ -659,6 +701,12 @@ error: Declaration
 19 |     100% { top: 100px; left: 100%; }
    |                        ^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/keyframe/input.css:19:24
+   |
+19 |     100% { top: 100px; left: 100%; }
+   |                        ^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/keyframe/input.css:19:24
    |
diff --git a/crates/swc_css_parser/tests/fixture/at-rule/layer/span.rust-debug b/crates/swc_css_parser/tests/fixture/at-rule/layer/span.rust-debug
index 6794372b43b..54da445fb6f 100644
--- a/crates/swc_css_parser/tests/fixture/at-rule/layer/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/at-rule/layer/span.rust-debug
@@ -214,6 +214,12 @@ error: Declaration
 5 |         from { translate: 0; }
   |                ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/layer/input.css:5:16
+  |
+5 |         from { translate: 0; }
+  |                ^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/layer/input.css:5:16
   |
@@ -268,6 +274,12 @@ error: Declaration
 6 |         to { translate: -100% 0; }
   |              ^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/layer/input.css:6:14
+  |
+6 |         to { translate: -100% 0; }
+  |              ^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/layer/input.css:6:14
   |
@@ -424,6 +436,12 @@ error: Declaration
 12 |         from { margin-left: 0; }
    |                ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/layer/input.css:12:16
+   |
+12 |         from { margin-left: 0; }
+   |                ^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/layer/input.css:12:16
    |
@@ -478,6 +496,12 @@ error: Declaration
 13 |         to { margin-left: -100%; }
    |              ^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/layer/input.css:13:14
+   |
+13 |         to { margin-left: -100%; }
+   |              ^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/layer/input.css:13:14
    |
@@ -562,6 +586,12 @@ error: Declaration
 17 | .sidebar { animation: slide-left 300ms; }
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/layer/input.css:17:12
+   |
+17 | .sidebar { animation: slide-left 300ms; }
+   |            ^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/layer/input.css:17:12
    |
@@ -742,6 +772,12 @@ error: Declaration
 23 |     strong { font-weight: bold; }
    |              ^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/layer/input.css:23:14
+   |
+23 |     strong { font-weight: bold; }
+   |              ^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/layer/input.css:23:14
    |
@@ -874,6 +910,12 @@ error: Declaration
 27 |     .title { font-weight: 100; }
    |              ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/layer/input.css:27:14
+   |
+27 |     .title { font-weight: 100; }
+   |              ^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/layer/input.css:27:14
    |
@@ -1012,6 +1054,12 @@ error: Declaration
 30 |         h1, h2 { color: maroon; }
    |                  ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/layer/input.css:30:18
+   |
+30 |         h1, h2 { color: maroon; }
+   |                  ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/layer/input.css:30:18
    |
@@ -1132,6 +1180,12 @@ error: Declaration
 35 |     [hidden] { display: none; }
    |                ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/layer/input.css:35:16
+   |
+35 |     [hidden] { display: none; }
+   |                ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/layer/input.css:35:16
    |
@@ -1300,6 +1354,12 @@ error: Declaration
 40 |         p { margin-block: 0.75em; }
    |             ^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/layer/input.css:40:13
+   |
+40 |         p { margin-block: 0.75em; }
+   |             ^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/layer/input.css:40:13
    |
@@ -1426,6 +1486,12 @@ error: Declaration
 44 |         p { color: #222; }
    |             ^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/layer/input.css:44:13
+   |
+44 |         p { color: #222; }
+   |             ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/layer/input.css:44:13
    |
@@ -1549,6 +1615,12 @@ error: Declaration
 50 |     blockquote { color: rebeccapurple; }
    |                  ^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/layer/input.css:50:18
+   |
+50 |     blockquote { color: rebeccapurple; }
+   |                  ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/layer/input.css:50:18
    |
diff --git a/crates/swc_css_parser/tests/fixture/at-rule/page/span.rust-debug b/crates/swc_css_parser/tests/fixture/at-rule/page/span.rust-debug
index 165987abb4a..300727fdd22 100644
--- a/crates/swc_css_parser/tests/fixture/at-rule/page/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/at-rule/page/span.rust-debug
@@ -94,6 +94,12 @@ error: Declaration
 3 | @page{margin: 1cm}
   |       ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/page/input.css:3:7
+  |
+3 | @page{margin: 1cm}
+  |       ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/page/input.css:3:7
   |
@@ -160,6 +166,12 @@ error: Declaration
 4 | @page {margin: 1cm}
   |        ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/page/input.css:4:8
+  |
+4 | @page {margin: 1cm}
+  |        ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/page/input.css:4:8
   |
@@ -226,6 +238,12 @@ error: Declaration
 5 | @page {margin: 1cm;}
   |        ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/page/input.css:5:8
+  |
+5 | @page {margin: 1cm;}
+  |        ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/page/input.css:5:8
   |
@@ -304,6 +322,12 @@ error: Declaration
 6 | @page :first {margin: 2cm}
   |               ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/page/input.css:6:15
+  |
+6 | @page :first {margin: 2cm}
+  |               ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/page/input.css:6:15
   |
@@ -382,6 +406,12 @@ error: Declaration
 7 | @page :first {margin: 2cm;}
   |               ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/page/input.css:7:15
+  |
+7 | @page :first {margin: 2cm;}
+  |               ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/page/input.css:7:15
   |
@@ -460,6 +490,12 @@ error: Declaration
 8 | @page :first{margin: 2cm;}
   |              ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/page/input.css:8:14
+  |
+8 | @page :first{margin: 2cm;}
+  |              ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/page/input.css:8:14
   |
diff --git a/crates/swc_css_parser/tests/fixture/at-rule/supports/span.rust-debug b/crates/swc_css_parser/tests/fixture/at-rule/supports/span.rust-debug
index 368ed0ad519..c076bedb627 100644
--- a/crates/swc_css_parser/tests/fixture/at-rule/supports/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/at-rule/supports/span.rust-debug
@@ -70,6 +70,12 @@ error: Declaration
 1 | @supports (display: grid) {
   |            ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/supports/input.css:1:12
+  |
+1 | @supports (display: grid) {
+  |            ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/supports/input.css:1:12
   |
@@ -149,6 +155,12 @@ error: Declaration
 3 |         display: grid;
   |         ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/supports/input.css:3:9
+  |
+3 |         display: grid;
+  |         ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/supports/input.css:3:9
   |
@@ -233,6 +245,12 @@ error: Declaration
 7 | @supports (display: flex) {
   |            ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/supports/input.css:7:12
+  |
+7 | @supports (display: flex) {
+  |            ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/supports/input.css:7:12
   |
@@ -312,6 +330,12 @@ error: Declaration
 9 |         color: blue;
   |         ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/at-rule/supports/input.css:9:9
+  |
+9 |         color: blue;
+  |         ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/at-rule/supports/input.css:9:9
   |
@@ -505,6 +529,12 @@ error: Declaration
 14 |             display: flex;
    |             ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:14:13
+   |
+14 |             display: flex;
+   |             ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:14:13
    |
@@ -571,6 +601,12 @@ error: Declaration
 18 | @supports   (   display   :   flex   )   {}
    |                 ^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:18:17
+   |
+18 | @supports   (   display   :   flex   )   {}
+   |                 ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:18:17
    |
@@ -643,6 +679,12 @@ error: Declaration
 19 | @supports not (display: flex) {}
    |                ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:19:16
+   |
+19 | @supports not (display: flex) {}
+   |                ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:19:16
    |
@@ -715,6 +757,12 @@ error: Declaration
 20 | @SUPPORTS not (display: flex) {}
    |                ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:20:16
+   |
+20 | @SUPPORTS not (display: flex) {}
+   |                ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:20:16
    |
@@ -781,6 +829,12 @@ error: Declaration
 21 | @supports (box-shadow: 0 0 2px black inset ) or (-moz-box-shadow: 0 0 2px black inset ) or (-webkit-box-shadow: 0 0 2px black inset ) or (-o-box-shadow: 0 0 2px black inset ) {}
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:21:12
+   |
+21 | @supports (box-shadow: 0 0 2px black inset ) or (-moz-box-shadow: 0 0 2px black inset ) or (-webkit-box-shadow: 0 0 2px black inset ) or (-o-box-shadow: 0 0 2px black inset ) {}
+   |            ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:21:12
    |
@@ -889,6 +943,12 @@ error: Declaration
 21 | @supports (box-shadow: 0 0 2px black inset ) or (-moz-box-shadow: 0 0 2px black inset ) or (-webkit-box-shadow: 0 0 2px black inset ) or (-o-box-shadow: 0 0 2px black inset ) {}
    |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:21:50
+   |
+21 | @supports (box-shadow: 0 0 2px black inset ) or (-moz-box-shadow: 0 0 2px black inset ) or (-webkit-box-shadow: 0 0 2px black inset ) or (-o-box-shadow: 0 0 2px black inset ) {}
+   |                                                  ^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:21:50
    |
@@ -997,6 +1057,12 @@ error: Declaration
 21 | @supports (box-shadow: 0 0 2px black inset ) or (-moz-box-shadow: 0 0 2px black inset ) or (-webkit-box-shadow: 0 0 2px black inset ) or (-o-box-shadow: 0 0 2px black inset ) {}
    |                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:21:93
+   |
+21 | @supports (box-shadow: 0 0 2px black inset ) or (-moz-box-shadow: 0 0 2px black inset ) or (-webkit-box-shadow: 0 0 2px black inset ) or (-o-box-shadow: 0 0 2px black inset ) {}
+   |                                                                                             ^^^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:21:93
    |
@@ -1105,6 +1171,12 @@ error: Declaration
 21 | @supports (box-shadow: 0 0 2px black inset ) or (-moz-box-shadow: 0 0 2px black inset ) or (-webkit-box-shadow: 0 0 2px black inset ) or (-o-box-shadow: 0 0 2px black inset ) {}
    |                                                                                                                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:21:139
+   |
+21 | @supports (box-shadow: 0 0 2px black inset ) or (-moz-box-shadow: 0 0 2px black inset ) or (-webkit-box-shadow: 0 0 2px black inset ) or (-o-box-shadow: 0 0 2px black inset ) {}
+   |                                                                                                                                           ^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:21:139
    |
@@ -1250,6 +1322,12 @@ error: Declaration
 22 | @supports ( box-shadow: 0 0 2px black inset ) or
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:22:13
+   |
+22 | @supports ( box-shadow: 0 0 2px black inset ) or
+   |             ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:22:13
    |
@@ -1362,6 +1440,12 @@ error: Declaration
 23 |   ( -moz-box-shadow: 0 0 2px black inset ) or
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:23:5
+   |
+23 |   ( -moz-box-shadow: 0 0 2px black inset ) or
+   |     ^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:23:5
    |
@@ -1474,6 +1558,12 @@ error: Declaration
 24 |   ( -webkit-box-shadow: 0 0 2px black inset ) or
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:24:5
+   |
+24 |   ( -webkit-box-shadow: 0 0 2px black inset ) or
+   |     ^^^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:24:5
    |
@@ -1586,6 +1676,12 @@ error: Declaration
 25 |   ( -o-box-shadow: 0 0 2px black inset ) {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:25:5
+   |
+25 |   ( -o-box-shadow: 0 0 2px black inset ) {
+   |     ^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:25:5
    |
@@ -1730,6 +1826,12 @@ error: Declaration
 28 | @supports ((transition-property: color) or (animation-name: foo)) and (transform: rotate(10deg)) {}
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:28:13
+   |
+28 | @supports ((transition-property: color) or (animation-name: foo)) and (transform: rotate(10deg)) {}
+   |             ^^^^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:28:13
    |
@@ -1778,6 +1880,12 @@ error: Declaration
 28 | @supports ((transition-property: color) or (animation-name: foo)) and (transform: rotate(10deg)) {}
    |                                             ^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:28:45
+   |
+28 | @supports ((transition-property: color) or (animation-name: foo)) and (transform: rotate(10deg)) {}
+   |                                             ^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:28:45
    |
@@ -1826,6 +1934,12 @@ error: Declaration
 28 | @supports ((transition-property: color) or (animation-name: foo)) and (transform: rotate(10deg)) {}
    |                                                                        ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:28:72
+   |
+28 | @supports ((transition-property: color) or (animation-name: foo)) and (transform: rotate(10deg)) {}
+   |                                                                        ^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:28:72
    |
@@ -1922,6 +2036,12 @@ error: Declaration
 29 | @supports (transition-property: color) or ((animation-name: foo) and (transform: rotate(10deg))) {}
    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:29:12
+   |
+29 | @supports (transition-property: color) or ((animation-name: foo) and (transform: rotate(10deg))) {}
+   |            ^^^^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:29:12
    |
@@ -1988,6 +2108,12 @@ error: Declaration
 29 | @supports (transition-property: color) or ((animation-name: foo) and (transform: rotate(10deg))) {}
    |                                             ^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:29:45
+   |
+29 | @supports (transition-property: color) or ((animation-name: foo) and (transform: rotate(10deg))) {}
+   |                                             ^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:29:45
    |
@@ -2036,6 +2162,12 @@ error: Declaration
 29 | @supports (transition-property: color) or ((animation-name: foo) and (transform: rotate(10deg))) {}
    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:29:71
+   |
+29 | @supports (transition-property: color) or ((animation-name: foo) and (transform: rotate(10deg))) {}
+   |                                                                       ^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:29:71
    |
@@ -2132,6 +2264,12 @@ error: Declaration
 30 | @supports   (   transition-property   :   color   )   or   (   (   animation-name   :   foo   )   and   (   transform   :    rotate(10deg)   )   )   {}
    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:30:17
+   |
+30 | @supports   (   transition-property   :   color   )   or   (   (   animation-name   :   foo   )   and   (   transform   :    rotate(10deg)   )   )   {}
+   |                 ^^^^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:30:17
    |
@@ -2198,6 +2336,12 @@ error: Declaration
 30 | @supports   (   transition-property   :   color   )   or   (   (   animation-name   :   foo   )   and   (   transform   :    rotate(10deg)   )   )   {}
    |                                                                    ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:30:68
+   |
+30 | @supports   (   transition-property   :   color   )   or   (   (   animation-name   :   foo   )   and   (   transform   :    rotate(10deg)   )   )   {}
+   |                                                                    ^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:30:68
    |
@@ -2246,6 +2390,12 @@ error: Declaration
 30 | @supports   (   transition-property   :   color   )   or   (   (   animation-name   :   foo   )   and   (   transform   :    rotate(10deg)   )   )   {}
    |                                                                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:30:109
+   |
+30 | @supports   (   transition-property   :   color   )   or   (   (   animation-name   :   foo   )   and   (   transform   :    rotate(10deg)   )   )   {}
+   |                                                                                                             ^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:30:109
    |
@@ -2342,6 +2492,12 @@ error: Declaration
 31 | @supports(transition-property:color)or ((animation-name:foo)and (transform:rotate(10deg))){}
    |           ^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:31:11
+   |
+31 | @supports(transition-property:color)or ((animation-name:foo)and (transform:rotate(10deg))){}
+   |           ^^^^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:31:11
    |
@@ -2408,6 +2564,12 @@ error: Declaration
 31 | @supports(transition-property:color)or ((animation-name:foo)and (transform:rotate(10deg))){}
    |                                          ^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:31:42
+   |
+31 | @supports(transition-property:color)or ((animation-name:foo)and (transform:rotate(10deg))){}
+   |                                          ^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:31:42
    |
@@ -2456,6 +2618,12 @@ error: Declaration
 31 | @supports(transition-property:color)or ((animation-name:foo)and (transform:rotate(10deg))){}
    |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:31:66
+   |
+31 | @supports(transition-property:color)or ((animation-name:foo)and (transform:rotate(10deg))){}
+   |                                                                  ^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:31:66
    |
@@ -2570,6 +2738,12 @@ error: Declaration
 32 | @supports ((display: flex)) {}
    |             ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:32:13
+   |
+32 | @supports ((display: flex)) {}
+   |             ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:32:13
    |
@@ -2636,6 +2810,12 @@ error: Declaration
 33 | @supports (display: flex !important) {}
    |            ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/at-rule/supports/input.css:33:12
+   |
+33 | @supports (display: flex !important) {}
+   |            ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/at-rule/supports/input.css:33:12
    |
diff --git a/crates/swc_css_parser/tests/fixture/at-rule/unknown/output.json b/crates/swc_css_parser/tests/fixture/at-rule/unknown/output.json
index d5c6e59872f..fdc20885aed 100644
--- a/crates/swc_css_parser/tests/fixture/at-rule/unknown/output.json
+++ b/crates/swc_css_parser/tests/fixture/at-rule/unknown/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 8,
           "ctxt": 0
         },
@@ -36,7 +36,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 10,
+          "start": 11,
           "end": 18,
           "ctxt": 0
         },
@@ -147,7 +147,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 24,
+          "start": 25,
           "end": 32,
           "ctxt": 0
         },
@@ -213,7 +213,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 41,
+          "start": 42,
           "end": 49,
           "ctxt": 0
         },
@@ -279,7 +279,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 115,
+          "start": 116,
           "end": 123,
           "ctxt": 0
         },
@@ -322,7 +322,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 127,
+          "start": 128,
           "end": 135,
           "ctxt": 0
         },
@@ -433,7 +433,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 144,
+          "start": 145,
           "end": 152,
           "ctxt": 0
         },
@@ -485,7 +485,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 156,
+          "start": 157,
           "end": 165,
           "ctxt": 0
         },
@@ -537,7 +537,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 169,
+          "start": 170,
           "end": 177,
           "ctxt": 0
         },
@@ -679,7 +679,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 185,
+          "start": 186,
           "end": 193,
           "ctxt": 0
         },
@@ -796,7 +796,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 200,
+          "start": 201,
           "end": 208,
           "ctxt": 0
         },
@@ -1003,7 +1003,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 279,
+          "start": 280,
           "end": 287,
           "ctxt": 0
         },
@@ -1097,7 +1097,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 542,
+          "start": 543,
           "end": 550,
           "ctxt": 0
         },
@@ -1302,7 +1302,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 566,
+          "start": 567,
           "end": 574,
           "ctxt": 0
         },
@@ -1597,7 +1597,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 650,
+          "start": 651,
           "end": 658,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/at-rule/unknown/span.rust-debug b/crates/swc_css_parser/tests/fixture/at-rule/unknown/span.rust-debug
index e6144f4a833..ef212de33bb 100644
--- a/crates/swc_css_parser/tests/fixture/at-rule/unknown/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/at-rule/unknown/span.rust-debug
@@ -28,11 +28,17 @@ error: UnknownAtRule
 1 | @unknown;
   | ^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/at-rule/unknown/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:1:2
   |
 1 | @unknown;
-  | ^^^^^^^^
+  |  ^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:1:2
+  |
+1 | @unknown;
+  |  ^^^^^^^
 
 error: Rule
  --> $DIR/tests/fixture/at-rule/unknown/input.css:2:1
@@ -52,11 +58,17 @@ error: UnknownAtRule
 2 | @unknown x y;
   | ^^^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/at-rule/unknown/input.css:2:1
+error: AtRuleName
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:2:2
   |
 2 | @unknown x y;
-  | ^^^^^^^^
+  |  ^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:2:2
+  |
+2 | @unknown x y;
+  |  ^^^^^^^
 
 error: Value
  --> $DIR/tests/fixture/at-rule/unknown/input.css:2:9
@@ -148,11 +160,17 @@ error: UnknownAtRule
 3 | @unknown "blah";
   | ^^^^^^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/at-rule/unknown/input.css:3:1
+error: AtRuleName
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:3:2
   |
 3 | @unknown "blah";
-  | ^^^^^^^^
+  |  ^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:3:2
+  |
+3 | @unknown "blah";
+  |  ^^^^^^^
 
 error: Value
  --> $DIR/tests/fixture/at-rule/unknown/input.css:3:9
@@ -208,11 +226,17 @@ error: UnknownAtRule
 4 | @unknown \"blah\";
   | ^^^^^^^^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/at-rule/unknown/input.css:4:1
+error: AtRuleName
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:4:2
   |
 4 | @unknown \"blah\";
-  | ^^^^^^^^
+  |  ^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:4:2
+  |
+4 | @unknown \"blah\";
+  |  ^^^^^^^
 
 error: Value
  --> $DIR/tests/fixture/at-rule/unknown/input.css:4:9
@@ -268,11 +292,17 @@ error: UnknownAtRule
 7 | @unknown  ;
   | ^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/at-rule/unknown/input.css:7:1
+error: AtRuleName
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:7:2
   |
 7 | @unknown  ;
-  | ^^^^^^^^
+  |  ^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:7:2
+  |
+7 | @unknown  ;
+  |  ^^^^^^^
 
 error: Value
  --> $DIR/tests/fixture/at-rule/unknown/input.css:7:9
@@ -310,11 +340,17 @@ error: UnknownAtRule
 8 | @unknown  x  y;
   | ^^^^^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/at-rule/unknown/input.css:8:1
+error: AtRuleName
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:8:2
   |
 8 | @unknown  x  y;
-  | ^^^^^^^^
+  |  ^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/at-rule/unknown/input.css:8:2
+  |
+8 | @unknown  x  y;
+  |  ^^^^^^^
 
 error: Value
  --> $DIR/tests/fixture/at-rule/unknown/input.css:8:9
@@ -406,11 +442,17 @@ error: UnknownAtRule
 10 | @unknown {}
    | ^^^^^^^^^^^
 
-error: Ident
-  --> $DIR/tests/fixture/at-rule/unknown/input.css:10:1
+error: AtRuleName
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:10:2
    |
 10 | @unknown {}
-   | ^^^^^^^^
+   |  ^^^^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:10:2
+   |
+10 | @unknown {}
+   |  ^^^^^^^
 
 error: Value
   --> $DIR/tests/fixture/at-rule/unknown/input.css:10:9
@@ -454,11 +496,17 @@ error: UnknownAtRule
 11 | @\unknown {}
    | ^^^^^^^^^^^^
 
-error: Ident
-  --> $DIR/tests/fixture/at-rule/unknown/input.css:11:1
+error: AtRuleName
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:11:2
    |
 11 | @\unknown {}
-   | ^^^^^^^^^
+   |  ^^^^^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:11:2
+   |
+11 | @\unknown {}
+   |  ^^^^^^^^
 
 error: Value
   --> $DIR/tests/fixture/at-rule/unknown/input.css:11:10
@@ -502,11 +550,17 @@ error: UnknownAtRule
 12 | @unknown a b {}
    | ^^^^^^^^^^^^^^^
 
-error: Ident
-  --> $DIR/tests/fixture/at-rule/unknown/input.css:12:1
+error: AtRuleName
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:12:2
    |
 12 | @unknown a b {}
-   | ^^^^^^^^
+   |  ^^^^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:12:2
+   |
+12 | @unknown a b {}
+   |  ^^^^^^^
 
 error: Value
   --> $DIR/tests/fixture/at-rule/unknown/input.css:12:9
@@ -622,11 +676,17 @@ error: UnknownAtRule
 13 | @unknown {p:v}
    | ^^^^^^^^^^^^^^
 
-error: Ident
-  --> $DIR/tests/fixture/at-rule/unknown/input.css:13:1
+error: AtRuleName
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:13:2
    |
 13 | @unknown {p:v}
-   | ^^^^^^^^
+   |  ^^^^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:13:2
+   |
+13 | @unknown {p:v}
+   |  ^^^^^^^
 
 error: Value
   --> $DIR/tests/fixture/at-rule/unknown/input.css:13:9
@@ -724,11 +784,17 @@ error: UnknownAtRule
 14 | @unknown x y {p:v}
    | ^^^^^^^^^^^^^^^^^^
 
-error: Ident
-  --> $DIR/tests/fixture/at-rule/unknown/input.css:14:1
+error: AtRuleName
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:14:2
    |
 14 | @unknown x y {p:v}
-   | ^^^^^^^^
+   |  ^^^^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:14:2
+   |
+14 | @unknown x y {p:v}
+   |  ^^^^^^^
 
 error: Value
   --> $DIR/tests/fixture/at-rule/unknown/input.css:14:9
@@ -898,11 +964,17 @@ error: UnknownAtRule
 17 | @unknown/*test*/{/*test*/p/*test*/:/*test*/v/*test*/}
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
-  --> $DIR/tests/fixture/at-rule/unknown/input.css:17:1
+error: AtRuleName
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:17:2
    |
 17 | @unknown/*test*/{/*test*/p/*test*/:/*test*/v/*test*/}
-   | ^^^^^^^^
+   |  ^^^^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:17:2
+   |
+17 | @unknown/*test*/{/*test*/p/*test*/:/*test*/v/*test*/}
+   |  ^^^^^^^
 
 error: SimpleBlock
   --> $DIR/tests/fixture/at-rule/unknown/input.css:17:17
@@ -982,11 +1054,17 @@ error: UnknownAtRule
 20 | @unknown  {  p  :  v  }
    | ^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
-  --> $DIR/tests/fixture/at-rule/unknown/input.css:20:1
+error: AtRuleName
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:20:2
    |
 20 | @unknown  {  p  :  v  }
-   | ^^^^^^^^
+   |  ^^^^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:20:2
+   |
+20 | @unknown  {  p  :  v  }
+   |  ^^^^^^^
 
 error: Value
   --> $DIR/tests/fixture/at-rule/unknown/input.css:20:9
@@ -1156,11 +1234,17 @@ error: UnknownAtRule
 21 | @unknown  x  y  {  p  :  v  }
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
-  --> $DIR/tests/fixture/at-rule/unknown/input.css:21:1
+error: AtRuleName
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:21:2
    |
 21 | @unknown  x  y  {  p  :  v  }
-   | ^^^^^^^^
+   |  ^^^^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:21:2
+   |
+21 | @unknown  x  y  {  p  :  v  }
+   |  ^^^^^^^
 
 error: Value
   --> $DIR/tests/fixture/at-rule/unknown/input.css:21:9
@@ -1402,11 +1486,17 @@ error: UnknownAtRule
 24 | @unknown {s{p:v}}
    | ^^^^^^^^^^^^^^^^
 
-error: Ident
-  --> $DIR/tests/fixture/at-rule/unknown/input.css:24:1
+error: AtRuleName
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:24:2
    |
 24 | @unknown {s{p:v}}
-   | ^^^^^^^^
+   |  ^^^^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/at-rule/unknown/input.css:24:2
+   |
+24 | @unknown {s{p:v}}
+   |  ^^^^^^^
 
 error: Value
   --> $DIR/tests/fixture/at-rule/unknown/input.css:24:9
diff --git a/crates/swc_css_parser/tests/fixture/bom/span.rust-debug b/crates/swc_css_parser/tests/fixture/bom/span.rust-debug
index 3317e863056..88144d466a5 100644
--- a/crates/swc_css_parser/tests/fixture/bom/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/bom/span.rust-debug
@@ -67,6 +67,12 @@ error: Declaration
 2 |     color: red;
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/bom/input.css:2:5
+  |
+2 |     color: red;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/bom/input.css:2:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/comment/span.rust-debug b/crates/swc_css_parser/tests/fixture/comment/span.rust-debug
index 9e2bf670615..e774191078e 100644
--- a/crates/swc_css_parser/tests/fixture/comment/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/comment/span.rust-debug
@@ -75,6 +75,12 @@ error: Declaration
 3 | /* comment */color/* comment */:/* comment */red/* comment */;
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/comment/input.css:3:14
+  |
+3 | /* comment */color/* comment */:/* comment */red/* comment */;
+  |              ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/comment/input.css:3:14
   |
@@ -166,6 +172,12 @@ error: Declaration
 11 |     color: black;
    |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/comment/input.css:11:5
+   |
+11 |     color: black;
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/comment/input.css:11:5
    |
@@ -190,6 +202,12 @@ error: Declaration
 13 |     background: red;
    |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/comment/input.css:13:5
+   |
+13 |     background: red;
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/comment/input.css:13:5
    |
@@ -272,6 +290,12 @@ error: Declaration
 19 |     color: black;
    |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/comment/input.css:19:5
+   |
+19 |     color: black;
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/comment/input.css:19:5
    |
diff --git a/crates/swc_css_parser/tests/fixture/dashed-ident/input.css b/crates/swc_css_parser/tests/fixture/dashed-ident/input.css
new file mode 100644
index 00000000000..92fc81675e1
--- /dev/null
+++ b/crates/swc_css_parser/tests/fixture/dashed-ident/input.css
@@ -0,0 +1,15 @@
+:root {
+    --main-color: #06c;
+    --accent-color: #006;
+}
+
+.foo {
+    --fg-color: blue;
+}
+
+#foo h1 {
+    color: var(--main-color);
+}
+
+@--custom {}
+@--library1-custom {}
diff --git a/crates/swc_css_parser/tests/fixture/dashed-ident/output.json b/crates/swc_css_parser/tests/fixture/dashed-ident/output.json
new file mode 100644
index 00000000000..f467dafc86e
--- /dev/null
+++ b/crates/swc_css_parser/tests/fixture/dashed-ident/output.json
@@ -0,0 +1,578 @@
+{
+  "type": "Stylesheet",
+  "span": {
+    "start": 0,
+    "end": 171,
+    "ctxt": 0
+  },
+  "rules": [
+    {
+      "type": "QualifiedRule",
+      "span": {
+        "start": 0,
+        "end": 59,
+        "ctxt": 0
+      },
+      "prelude": {
+        "type": "SelectorList",
+        "span": {
+          "start": 0,
+          "end": 5,
+          "ctxt": 0
+        },
+        "children": [
+          {
+            "type": "ComplexSelector",
+            "span": {
+              "start": 0,
+              "end": 5,
+              "ctxt": 0
+            },
+            "children": [
+              {
+                "type": "CompoundSelector",
+                "span": {
+                  "start": 0,
+                  "end": 5,
+                  "ctxt": 0
+                },
+                "nestingSelector": null,
+                "typeSelector": null,
+                "subclassSelectors": [
+                  {
+                    "type": "PseudoClassSelector",
+                    "span": {
+                      "start": 0,
+                      "end": 5,
+                      "ctxt": 0
+                    },
+                    "name": {
+                      "type": "Identifier",
+                      "span": {
+                        "start": 1,
+                        "end": 5,
+                        "ctxt": 0
+                      },
+                      "value": "root",
+                      "raw": "root"
+                    },
+                    "children": null
+                  }
+                ]
+              }
+            ]
+          }
+        ]
+      },
+      "block": {
+        "type": "Block",
+        "span": {
+          "start": 6,
+          "end": 59,
+          "ctxt": 0
+        },
+        "value": [
+          {
+            "type": "Declaration",
+            "span": {
+              "start": 12,
+              "end": 26,
+              "ctxt": 0
+            },
+            "property": {
+              "type": "DashedIdentifier",
+              "span": {
+                "start": 12,
+                "end": 24,
+                "ctxt": 0
+              },
+              "value": "--main-color",
+              "raw": "--main-color"
+            },
+            "value": [
+              {
+                "type": "Tokens",
+                "span": {
+                  "start": 25,
+                  "end": 30,
+                  "ctxt": 0
+                },
+                "tokens": [
+                  {
+                    "span": {
+                      "start": 25,
+                      "end": 26,
+                      "ctxt": 0
+                    },
+                    "token": {
+                      "WhiteSpace": {
+                        "value": " "
+                      }
+                    }
+                  },
+                  {
+                    "span": {
+                      "start": 26,
+                      "end": 30,
+                      "ctxt": 0
+                    },
+                    "token": {
+                      "Hash": {
+                        "is_id": false,
+                        "value": "06c",
+                        "raw": "06c"
+                      }
+                    }
+                  }
+                ]
+              }
+            ],
+            "important": null
+          },
+          {
+            "type": "Declaration",
+            "span": {
+              "start": 36,
+              "end": 52,
+              "ctxt": 0
+            },
+            "property": {
+              "type": "DashedIdentifier",
+              "span": {
+                "start": 36,
+                "end": 50,
+                "ctxt": 0
+              },
+              "value": "--accent-color",
+              "raw": "--accent-color"
+            },
+            "value": [
+              {
+                "type": "Tokens",
+                "span": {
+                  "start": 51,
+                  "end": 56,
+                  "ctxt": 0
+                },
+                "tokens": [
+                  {
+                    "span": {
+                      "start": 51,
+                      "end": 52,
+                      "ctxt": 0
+                    },
+                    "token": {
+                      "WhiteSpace": {
+                        "value": " "
+                      }
+                    }
+                  },
+                  {
+                    "span": {
+                      "start": 52,
+                      "end": 56,
+                      "ctxt": 0
+                    },
+                    "token": {
+                      "Hash": {
+                        "is_id": false,
+                        "value": "006",
+                        "raw": "006"
+                      }
+                    }
+                  }
+                ]
+              }
+            ],
+            "important": null
+          }
+        ]
+      }
+    },
+    {
+      "type": "QualifiedRule",
+      "span": {
+        "start": 61,
+        "end": 91,
+        "ctxt": 0
+      },
+      "prelude": {
+        "type": "SelectorList",
+        "span": {
+          "start": 61,
+          "end": 65,
+          "ctxt": 0
+        },
+        "children": [
+          {
+            "type": "ComplexSelector",
+            "span": {
+              "start": 61,
+              "end": 65,
+              "ctxt": 0
+            },
+            "children": [
+              {
+                "type": "CompoundSelector",
+                "span": {
+                  "start": 61,
+                  "end": 65,
+                  "ctxt": 0
+                },
+                "nestingSelector": null,
+                "typeSelector": null,
+                "subclassSelectors": [
+                  {
+                    "type": "ClassSelector",
+                    "span": {
+                      "start": 61,
+                      "end": 65,
+                      "ctxt": 0
+                    },
+                    "text": {
+                      "type": "Identifier",
+                      "span": {
+                        "start": 62,
+                        "end": 65,
+                        "ctxt": 0
+                      },
+                      "value": "foo",
+                      "raw": "foo"
+                    }
+                  }
+                ]
+              }
+            ]
+          }
+        ]
+      },
+      "block": {
+        "type": "Block",
+        "span": {
+          "start": 66,
+          "end": 91,
+          "ctxt": 0
+        },
+        "value": [
+          {
+            "type": "Declaration",
+            "span": {
+              "start": 72,
+              "end": 84,
+              "ctxt": 0
+            },
+            "property": {
+              "type": "DashedIdentifier",
+              "span": {
+                "start": 72,
+                "end": 82,
+                "ctxt": 0
+              },
+              "value": "--fg-color",
+              "raw": "--fg-color"
+            },
+            "value": [
+              {
+                "type": "Tokens",
+                "span": {
+                  "start": 83,
+                  "end": 88,
+                  "ctxt": 0
+                },
+                "tokens": [
+                  {
+                    "span": {
+                      "start": 83,
+                      "end": 84,
+                      "ctxt": 0
+                    },
+                    "token": {
+                      "WhiteSpace": {
+                        "value": " "
+                      }
+                    }
+                  },
+                  {
+                    "span": {
+                      "start": 84,
+                      "end": 88,
+                      "ctxt": 0
+                    },
+                    "token": {
+                      "Ident": {
+                        "value": "blue",
+                        "raw": "blue"
+                      }
+                    }
+                  }
+                ]
+              }
+            ],
+            "important": null
+          }
+        ]
+      }
+    },
+    {
+      "type": "QualifiedRule",
+      "span": {
+        "start": 93,
+        "end": 134,
+        "ctxt": 0
+      },
+      "prelude": {
+        "type": "SelectorList",
+        "span": {
+          "start": 93,
+          "end": 100,
+          "ctxt": 0
+        },
+        "children": [
+          {
+            "type": "ComplexSelector",
+            "span": {
+              "start": 93,
+              "end": 100,
+              "ctxt": 0
+            },
+            "children": [
+              {
+                "type": "CompoundSelector",
+                "span": {
+                  "start": 93,
+                  "end": 97,
+                  "ctxt": 0
+                },
+                "nestingSelector": null,
+                "typeSelector": null,
+                "subclassSelectors": [
+                  {
+                    "type": "IdSelector",
+                    "span": {
+                      "start": 93,
+                      "end": 97,
+                      "ctxt": 0
+                    },
+                    "text": {
+                      "type": "Identifier",
+                      "span": {
+                        "start": 93,
+                        "end": 97,
+                        "ctxt": 0
+                      },
+                      "value": "foo",
+                      "raw": "foo"
+                    }
+                  }
+                ]
+              },
+              {
+                "type": "Combinator",
+                "span": {
+                  "start": 97,
+                  "end": 98,
+                  "ctxt": 0
+                },
+                "value": " "
+              },
+              {
+                "type": "CompoundSelector",
+                "span": {
+                  "start": 98,
+                  "end": 100,
+                  "ctxt": 0
+                },
+                "nestingSelector": null,
+                "typeSelector": {
+                  "type": "TypeSelector",
+                  "span": {
+                    "start": 98,
+                    "end": 100,
+                    "ctxt": 0
+                  },
+                  "prefix": null,
+                  "name": {
+                    "type": "Identifier",
+                    "span": {
+                      "start": 98,
+                      "end": 100,
+                      "ctxt": 0
+                    },
+                    "value": "h1",
+                    "raw": "h1"
+                  }
+                },
+                "subclassSelectors": []
+              }
+            ]
+          }
+        ]
+      },
+      "block": {
+        "type": "Block",
+        "span": {
+          "start": 101,
+          "end": 134,
+          "ctxt": 0
+        },
+        "value": [
+          {
+            "type": "Declaration",
+            "span": {
+              "start": 107,
+              "end": 131,
+              "ctxt": 0
+            },
+            "property": {
+              "type": "Identifier",
+              "span": {
+                "start": 107,
+                "end": 112,
+                "ctxt": 0
+              },
+              "value": "color",
+              "raw": "color"
+            },
+            "value": [
+              {
+                "type": "Function",
+                "span": {
+                  "start": 114,
+                  "end": 131,
+                  "ctxt": 0
+                },
+                "name": {
+                  "type": "Identifier",
+                  "span": {
+                    "start": 114,
+                    "end": 117,
+                    "ctxt": 0
+                  },
+                  "value": "var",
+                  "raw": "var"
+                },
+                "value": [
+                  {
+                    "type": "DashedIdentifier",
+                    "span": {
+                      "start": 118,
+                      "end": 130,
+                      "ctxt": 0
+                    },
+                    "value": "--main-color",
+                    "raw": "--main-color"
+                  }
+                ]
+              }
+            ],
+            "important": null
+          }
+        ]
+      }
+    },
+    {
+      "type": "UnknownAtRule",
+      "span": {
+        "start": 136,
+        "end": 148,
+        "ctxt": 0
+      },
+      "name": {
+        "type": "DashedIdentifier",
+        "span": {
+          "start": 137,
+          "end": 145,
+          "ctxt": 0
+        },
+        "value": "--custom",
+        "raw": "--custom"
+      },
+      "prelude": [
+        {
+          "type": "Tokens",
+          "span": {
+            "start": 145,
+            "end": 146,
+            "ctxt": 0
+          },
+          "tokens": [
+            {
+              "span": {
+                "start": 145,
+                "end": 146,
+                "ctxt": 0
+              },
+              "token": {
+                "WhiteSpace": {
+                  "value": " "
+                }
+              }
+            }
+          ]
+        }
+      ],
+      "block": {
+        "type": "SimpleBlock",
+        "span": {
+          "start": 146,
+          "end": 148,
+          "ctxt": 0
+        },
+        "name": "{",
+        "value": []
+      }
+    },
+    {
+      "type": "UnknownAtRule",
+      "span": {
+        "start": 149,
+        "end": 170,
+        "ctxt": 0
+      },
+      "name": {
+        "type": "DashedIdentifier",
+        "span": {
+          "start": 150,
+          "end": 167,
+          "ctxt": 0
+        },
+        "value": "--library1-custom",
+        "raw": "--library1-custom"
+      },
+      "prelude": [
+        {
+          "type": "Tokens",
+          "span": {
+            "start": 167,
+            "end": 168,
+            "ctxt": 0
+          },
+          "tokens": [
+            {
+              "span": {
+                "start": 167,
+                "end": 168,
+                "ctxt": 0
+              },
+              "token": {
+                "WhiteSpace": {
+                  "value": " "
+                }
+              }
+            }
+          ]
+        }
+      ],
+      "block": {
+        "type": "SimpleBlock",
+        "span": {
+          "start": 168,
+          "end": 170,
+          "ctxt": 0
+        },
+        "name": "{",
+        "value": []
+      }
+    }
+  ]
+}
diff --git a/crates/swc_css_parser/tests/fixture/dashed-ident/span.rust-debug b/crates/swc_css_parser/tests/fixture/dashed-ident/span.rust-debug
new file mode 100644
index 00000000000..0819343f223
--- /dev/null
+++ b/crates/swc_css_parser/tests/fixture/dashed-ident/span.rust-debug
@@ -0,0 +1,504 @@
+error: Stylesheet
+  --> $DIR/tests/fixture/dashed-ident/input.css:1:1
+   |
+1  | / :root {
+2  | |     --main-color: #06c;
+3  | |     --accent-color: #006;
+4  | | }
+...  |
+14 | | @--custom {}
+15 | | @--library1-custom {}
+   | |______________________^
+
+error: Rule
+ --> $DIR/tests/fixture/dashed-ident/input.css:1:1
+  |
+1 | / :root {
+2 | |     --main-color: #06c;
+3 | |     --accent-color: #006;
+4 | | }
+  | |_^
+
+error: QualifiedRule
+ --> $DIR/tests/fixture/dashed-ident/input.css:1:1
+  |
+1 | / :root {
+2 | |     --main-color: #06c;
+3 | |     --accent-color: #006;
+4 | | }
+  | |_^
+
+error: SelectorList
+ --> $DIR/tests/fixture/dashed-ident/input.css:1:1
+  |
+1 | :root {
+  | ^^^^^
+
+error: ComplexSelector
+ --> $DIR/tests/fixture/dashed-ident/input.css:1:1
+  |
+1 | :root {
+  | ^^^^^
+
+error: CompoundSelector
+ --> $DIR/tests/fixture/dashed-ident/input.css:1:1
+  |
+1 | :root {
+  | ^^^^^
+
+error: SubclassSelector
+ --> $DIR/tests/fixture/dashed-ident/input.css:1:1
+  |
+1 | :root {
+  | ^^^^^
+
+error: PseudoClassSelector
+ --> $DIR/tests/fixture/dashed-ident/input.css:1:1
+  |
+1 | :root {
+  | ^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/dashed-ident/input.css:1:2
+  |
+1 | :root {
+  |  ^^^^
+
+error: Block
+ --> $DIR/tests/fixture/dashed-ident/input.css:1:7
+  |
+1 |   :root {
+  |  _______^
+2 | |     --main-color: #06c;
+3 | |     --accent-color: #006;
+4 | | }
+  | |_^
+
+error: Declaration
+ --> $DIR/tests/fixture/dashed-ident/input.css:2:5
+  |
+2 |     --main-color: #06c;
+  |     ^^^^^^^^^^^^^^
+
+error: DeclarationProperty
+ --> $DIR/tests/fixture/dashed-ident/input.css:2:5
+  |
+2 |     --main-color: #06c;
+  |     ^^^^^^^^^^^^
+
+error: DashedIdent
+ --> $DIR/tests/fixture/dashed-ident/input.css:2:5
+  |
+2 |     --main-color: #06c;
+  |     ^^^^^^^^^^^^
+
+error: Value
+ --> $DIR/tests/fixture/dashed-ident/input.css:2:18
+  |
+2 |     --main-color: #06c;
+  |                  ^^^^^
+
+error: Tokens
+ --> $DIR/tests/fixture/dashed-ident/input.css:2:18
+  |
+2 |     --main-color: #06c;
+  |                  ^^^^^
+
+error: WhiteSpace { value: Atom(' ' type=inline) }
+ --> $DIR/tests/fixture/dashed-ident/input.css:2:18
+  |
+2 |     --main-color: #06c;
+  |                  ^
+
+error: Hash { is_id: false, value: Atom('06c' type=inline), raw: Atom('06c' type=inline) }
+ --> $DIR/tests/fixture/dashed-ident/input.css:2:19
+  |
+2 |     --main-color: #06c;
+  |                   ^^^^
+
+error: Declaration
+ --> $DIR/tests/fixture/dashed-ident/input.css:3:5
+  |
+3 |     --accent-color: #006;
+  |     ^^^^^^^^^^^^^^^^
+
+error: DeclarationProperty
+ --> $DIR/tests/fixture/dashed-ident/input.css:3:5
+  |
+3 |     --accent-color: #006;
+  |     ^^^^^^^^^^^^^^
+
+error: DashedIdent
+ --> $DIR/tests/fixture/dashed-ident/input.css:3:5
+  |
+3 |     --accent-color: #006;
+  |     ^^^^^^^^^^^^^^
+
+error: Value
+ --> $DIR/tests/fixture/dashed-ident/input.css:3:20
+  |
+3 |     --accent-color: #006;
+  |                    ^^^^^
+
+error: Tokens
+ --> $DIR/tests/fixture/dashed-ident/input.css:3:20
+  |
+3 |     --accent-color: #006;
+  |                    ^^^^^
+
+error: WhiteSpace { value: Atom(' ' type=inline) }
+ --> $DIR/tests/fixture/dashed-ident/input.css:3:20
+  |
+3 |     --accent-color: #006;
+  |                    ^
+
+error: Hash { is_id: false, value: Atom('006' type=inline), raw: Atom('006' type=inline) }
+ --> $DIR/tests/fixture/dashed-ident/input.css:3:21
+  |
+3 |     --accent-color: #006;
+  |                     ^^^^
+
+error: Rule
+ --> $DIR/tests/fixture/dashed-ident/input.css:6:1
+  |
+6 | / .foo {
+7 | |     --fg-color: blue;
+8 | | }
+  | |_^
+
+error: QualifiedRule
+ --> $DIR/tests/fixture/dashed-ident/input.css:6:1
+  |
+6 | / .foo {
+7 | |     --fg-color: blue;
+8 | | }
+  | |_^
+
+error: SelectorList
+ --> $DIR/tests/fixture/dashed-ident/input.css:6:1
+  |
+6 | .foo {
+  | ^^^^
+
+error: ComplexSelector
+ --> $DIR/tests/fixture/dashed-ident/input.css:6:1
+  |
+6 | .foo {
+  | ^^^^
+
+error: CompoundSelector
+ --> $DIR/tests/fixture/dashed-ident/input.css:6:1
+  |
+6 | .foo {
+  | ^^^^
+
+error: SubclassSelector
+ --> $DIR/tests/fixture/dashed-ident/input.css:6:1
+  |
+6 | .foo {
+  | ^^^^
+
+error: ClassSelector
+ --> $DIR/tests/fixture/dashed-ident/input.css:6:1
+  |
+6 | .foo {
+  | ^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/dashed-ident/input.css:6:2
+  |
+6 | .foo {
+  |  ^^^
+
+error: Block
+ --> $DIR/tests/fixture/dashed-ident/input.css:6:6
+  |
+6 |   .foo {
+  |  ______^
+7 | |     --fg-color: blue;
+8 | | }
+  | |_^
+
+error: Declaration
+ --> $DIR/tests/fixture/dashed-ident/input.css:7:5
+  |
+7 |     --fg-color: blue;
+  |     ^^^^^^^^^^^^
+
+error: DeclarationProperty
+ --> $DIR/tests/fixture/dashed-ident/input.css:7:5
+  |
+7 |     --fg-color: blue;
+  |     ^^^^^^^^^^
+
+error: DashedIdent
+ --> $DIR/tests/fixture/dashed-ident/input.css:7:5
+  |
+7 |     --fg-color: blue;
+  |     ^^^^^^^^^^
+
+error: Value
+ --> $DIR/tests/fixture/dashed-ident/input.css:7:16
+  |
+7 |     --fg-color: blue;
+  |                ^^^^^
+
+error: Tokens
+ --> $DIR/tests/fixture/dashed-ident/input.css:7:16
+  |
+7 |     --fg-color: blue;
+  |                ^^^^^
+
+error: WhiteSpace { value: Atom(' ' type=inline) }
+ --> $DIR/tests/fixture/dashed-ident/input.css:7:16
+  |
+7 |     --fg-color: blue;
+  |                ^
+
+error: Ident { value: Atom('blue' type=inline), raw: Atom('blue' type=inline) }
+ --> $DIR/tests/fixture/dashed-ident/input.css:7:17
+  |
+7 |     --fg-color: blue;
+  |                 ^^^^
+
+error: Rule
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:1
+   |
+10 | / #foo h1 {
+11 | |     color: var(--main-color);
+12 | | }
+   | |_^
+
+error: QualifiedRule
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:1
+   |
+10 | / #foo h1 {
+11 | |     color: var(--main-color);
+12 | | }
+   | |_^
+
+error: SelectorList
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:1
+   |
+10 | #foo h1 {
+   | ^^^^^^^
+
+error: ComplexSelector
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:1
+   |
+10 | #foo h1 {
+   | ^^^^^^^
+
+error: CompoundSelector
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:1
+   |
+10 | #foo h1 {
+   | ^^^^
+
+error: SubclassSelector
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:1
+   |
+10 | #foo h1 {
+   | ^^^^
+
+error: IdSelector
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:1
+   |
+10 | #foo h1 {
+   | ^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:1
+   |
+10 | #foo h1 {
+   | ^^^^
+
+error: Combinator
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:5
+   |
+10 | #foo h1 {
+   |     ^
+
+error: CompoundSelector
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:6
+   |
+10 | #foo h1 {
+   |      ^^
+
+error: TypeSelector
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:6
+   |
+10 | #foo h1 {
+   |      ^^
+
+error: Ident
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:6
+   |
+10 | #foo h1 {
+   |      ^^
+
+error: Block
+  --> $DIR/tests/fixture/dashed-ident/input.css:10:9
+   |
+10 |   #foo h1 {
+   |  _________^
+11 | |     color: var(--main-color);
+12 | | }
+   | |_^
+
+error: Declaration
+  --> $DIR/tests/fixture/dashed-ident/input.css:11:5
+   |
+11 |     color: var(--main-color);
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: DeclarationProperty
+  --> $DIR/tests/fixture/dashed-ident/input.css:11:5
+   |
+11 |     color: var(--main-color);
+   |     ^^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/dashed-ident/input.css:11:5
+   |
+11 |     color: var(--main-color);
+   |     ^^^^^
+
+error: Value
+  --> $DIR/tests/fixture/dashed-ident/input.css:11:12
+   |
+11 |     color: var(--main-color);
+   |            ^^^^^^^^^^^^^^^^^
+
+error: Function
+  --> $DIR/tests/fixture/dashed-ident/input.css:11:12
+   |
+11 |     color: var(--main-color);
+   |            ^^^^^^^^^^^^^^^^^
+
+error: Ident
+  --> $DIR/tests/fixture/dashed-ident/input.css:11:12
+   |
+11 |     color: var(--main-color);
+   |            ^^^
+
+error: Value
+  --> $DIR/tests/fixture/dashed-ident/input.css:11:16
+   |
+11 |     color: var(--main-color);
+   |                ^^^^^^^^^^^^
+
+error: DashedIdent
+  --> $DIR/tests/fixture/dashed-ident/input.css:11:16
+   |
+11 |     color: var(--main-color);
+   |                ^^^^^^^^^^^^
+
+error: Rule
+  --> $DIR/tests/fixture/dashed-ident/input.css:14:1
+   |
+14 | @--custom {}
+   | ^^^^^^^^^^^^
+
+error: AtRule
+  --> $DIR/tests/fixture/dashed-ident/input.css:14:1
+   |
+14 | @--custom {}
+   | ^^^^^^^^^^^^
+
+error: UnknownAtRule
+  --> $DIR/tests/fixture/dashed-ident/input.css:14:1
+   |
+14 | @--custom {}
+   | ^^^^^^^^^^^^
+
+error: AtRuleName
+  --> $DIR/tests/fixture/dashed-ident/input.css:14:2
+   |
+14 | @--custom {}
+   |  ^^^^^^^^
+
+error: DashedIdent
+  --> $DIR/tests/fixture/dashed-ident/input.css:14:2
+   |
+14 | @--custom {}
+   |  ^^^^^^^^
+
+error: Value
+  --> $DIR/tests/fixture/dashed-ident/input.css:14:10
+   |
+14 | @--custom {}
+   |          ^
+
+error: Tokens
+  --> $DIR/tests/fixture/dashed-ident/input.css:14:10
+   |
+14 | @--custom {}
+   |          ^
+
+error: WhiteSpace { value: Atom(' ' type=inline) }
+  --> $DIR/tests/fixture/dashed-ident/input.css:14:10
+   |
+14 | @--custom {}
+   |          ^
+
+error: SimpleBlock
+  --> $DIR/tests/fixture/dashed-ident/input.css:14:11
+   |
+14 | @--custom {}
+   |           ^^
+
+error: Rule
+  --> $DIR/tests/fixture/dashed-ident/input.css:15:1
+   |
+15 | @--library1-custom {}
+   | ^^^^^^^^^^^^^^^^^^^^^
+
+error: AtRule
+  --> $DIR/tests/fixture/dashed-ident/input.css:15:1
+   |
+15 | @--library1-custom {}
+   | ^^^^^^^^^^^^^^^^^^^^^
+
+error: UnknownAtRule
+  --> $DIR/tests/fixture/dashed-ident/input.css:15:1
+   |
+15 | @--library1-custom {}
+   | ^^^^^^^^^^^^^^^^^^^^^
+
+error: AtRuleName
+  --> $DIR/tests/fixture/dashed-ident/input.css:15:2
+   |
+15 | @--library1-custom {}
+   |  ^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
+  --> $DIR/tests/fixture/dashed-ident/input.css:15:2
+   |
+15 | @--library1-custom {}
+   |  ^^^^^^^^^^^^^^^^^
+
+error: Value
+  --> $DIR/tests/fixture/dashed-ident/input.css:15:19
+   |
+15 | @--library1-custom {}
+   |                   ^
+
+error: Tokens
+  --> $DIR/tests/fixture/dashed-ident/input.css:15:19
+   |
+15 | @--library1-custom {}
+   |                   ^
+
+error: WhiteSpace { value: Atom(' ' type=inline) }
+  --> $DIR/tests/fixture/dashed-ident/input.css:15:19
+   |
+15 | @--library1-custom {}
+   |                   ^
+
+error: SimpleBlock
+  --> $DIR/tests/fixture/dashed-ident/input.css:15:20
+   |
+15 | @--library1-custom {}
+   |                    ^^
+
diff --git a/crates/swc_css_parser/tests/fixture/declaration-list/span.rust-debug b/crates/swc_css_parser/tests/fixture/declaration-list/span.rust-debug
index e06bfa19f7b..82b077f955c 100644
--- a/crates/swc_css_parser/tests/fixture/declaration-list/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/declaration-list/span.rust-debug
@@ -71,6 +71,12 @@ error: Declaration
 2 |     prop1: value;
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/declaration-list/input.css:2:5
+  |
+2 |     prop1: value;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/declaration-list/input.css:2:5
   |
@@ -95,6 +101,12 @@ error: Declaration
 3 |     prop2: value;
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/declaration-list/input.css:3:5
+  |
+3 |     prop2: value;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/declaration-list/input.css:3:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/declaration/span.rust-debug b/crates/swc_css_parser/tests/fixture/declaration/span.rust-debug
index 9adac6690f5..697edc56167 100644
--- a/crates/swc_css_parser/tests/fixture/declaration/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/declaration/span.rust-debug
@@ -83,6 +83,12 @@ error: Declaration
 2 |     prop: value;
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/declaration/input.css:2:5
+  |
+2 |     prop: value;
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/declaration/input.css:2:5
   |
@@ -107,6 +113,12 @@ error: Declaration
 3 |     prop: (value);
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/declaration/input.css:3:5
+  |
+3 |     prop: (value);
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/declaration/input.css:3:5
   |
@@ -143,6 +155,12 @@ error: Declaration
 4 |     prop: {value};
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/declaration/input.css:4:5
+  |
+4 |     prop: {value};
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/declaration/input.css:4:5
   |
@@ -185,6 +203,12 @@ error: Declaration
 5 |     prop: [value];
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/declaration/input.css:5:5
+  |
+5 |     prop: [value];
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/declaration/input.css:5:5
   |
@@ -221,6 +245,12 @@ error: Declaration
 6 |     prop: fn(value);
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/declaration/input.css:6:5
+  |
+6 |     prop: fn(value);
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/declaration/input.css:6:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/delim/backslash/span.rust-debug b/crates/swc_css_parser/tests/fixture/delim/backslash/span.rust-debug
index 189fecb1341..441279b2ed8 100644
--- a/crates/swc_css_parser/tests/fixture/delim/backslash/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/delim/backslash/span.rust-debug
@@ -67,6 +67,12 @@ error: Declaration
 2 |     color: \\ red \\ blue;
   |     ^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/delim/backslash/input.css:2:5
+  |
+2 |     color: \\ red \\ blue;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/delim/backslash/input.css:2:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/dimension/basic/span.rust-debug b/crates/swc_css_parser/tests/fixture/dimension/basic/span.rust-debug
index 7cbbbfe60eb..36dc8e9ed29 100644
--- a/crates/swc_css_parser/tests/fixture/dimension/basic/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/dimension/basic/span.rust-debug
@@ -83,6 +83,12 @@ error: Declaration
 2 |     prop: 10px;
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/dimension/basic/input.css:2:5
+  |
+2 |     prop: 10px;
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/dimension/basic/input.css:2:5
   |
@@ -119,6 +125,12 @@ error: Declaration
 3 |     prop: .10px;
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/dimension/basic/input.css:3:5
+  |
+3 |     prop: .10px;
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/dimension/basic/input.css:3:5
   |
@@ -155,6 +167,12 @@ error: Declaration
 4 |     prop: 12.34px;
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/dimension/basic/input.css:4:5
+  |
+4 |     prop: 12.34px;
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/dimension/basic/input.css:4:5
   |
@@ -191,6 +209,12 @@ error: Declaration
 5 |     prop: 0000.000px;
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/dimension/basic/input.css:5:5
+  |
+5 |     prop: 0000.000px;
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/dimension/basic/input.css:5:5
   |
@@ -227,6 +251,12 @@ error: Declaration
 6 |     prop: 1px\\9;
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/dimension/basic/input.css:6:5
+  |
+6 |     prop: 1px\\9;
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/dimension/basic/input.css:6:5
   |
@@ -263,6 +293,12 @@ error: Declaration
 7 |     prop: 1e;
   |     ^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/dimension/basic/input.css:7:5
+  |
+7 |     prop: 1e;
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/dimension/basic/input.css:7:5
   |
@@ -299,6 +335,12 @@ error: Declaration
 8 |     prop: 1unknown;
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/dimension/basic/input.css:8:5
+  |
+8 |     prop: 1unknown;
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/dimension/basic/input.css:8:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/-4j83DwgJa0nPQIjlb0RIA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/-4j83DwgJa0nPQIjlb0RIA/span.rust-debug
index 799fdce784b..868a63479b3 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/-4j83DwgJa0nPQIjlb0RIA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/-4j83DwgJa0nPQIjlb0RIA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #112333 }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/-4j83DwgJa0nPQIjlb0RIA/input.css:1:5
+  |
+1 | a { color: #112333 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/-4j83DwgJa0nPQIjlb0RIA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/-GZJfOA9TK6La2KGGNgCkg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/-GZJfOA9TK6La2KGGNgCkg/span.rust-debug
index b45fafdfd94..deb9b05594a 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/-GZJfOA9TK6La2KGGNgCkg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/-GZJfOA9TK6La2KGGNgCkg/span.rust-debug
@@ -148,6 +148,12 @@ error: Declaration
 1 | div::before::after::selection::first-line::first-letter {color:red}
   |                                                          ^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/-GZJfOA9TK6La2KGGNgCkg/input.css:1:58
+  |
+1 | div::before::after::selection::first-line::first-letter {color:red}
+  |                                                          ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/-GZJfOA9TK6La2KGGNgCkg/input.css:1:58
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/-JoxoRcnA-zaaEC7RjXKvQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/-JoxoRcnA-zaaEC7RjXKvQ/span.rust-debug
index 82f50f590de..9d5a2de5895 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/-JoxoRcnA-zaaEC7RjXKvQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/-JoxoRcnA-zaaEC7RjXKvQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: +.10; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/-JoxoRcnA-zaaEC7RjXKvQ/input.css:1:5
+  |
+1 | a { width: +.10; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/-JoxoRcnA-zaaEC7RjXKvQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/-edvtxlXMemv5jnGeyueBA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/-edvtxlXMemv5jnGeyueBA/span.rust-debug
index f20fbf34c99..55fffb992c3 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/-edvtxlXMemv5jnGeyueBA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/-edvtxlXMemv5jnGeyueBA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: -.10%; }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/-edvtxlXMemv5jnGeyueBA/input.css:1:5
+  |
+1 | a { width: -.10%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/-edvtxlXMemv5jnGeyueBA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/-gboAEi1zyjFW5mtEM24Rg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/-gboAEi1zyjFW5mtEM24Rg/span.rust-debug
index cfcc8179165..7ebec1cf009 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/-gboAEi1zyjFW5mtEM24Rg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/-gboAEi1zyjFW5mtEM24Rg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { box-shadow: rgb(255, 0, 17) 0 0 1 inset }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/-gboAEi1zyjFW5mtEM24Rg/input.css:1:5
+  |
+1 | a { box-shadow: rgb(255, 0, 17) 0 0 1 inset }
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/-gboAEi1zyjFW5mtEM24Rg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/07tvJxvZrgDeTmptOclErA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/07tvJxvZrgDeTmptOclErA/span.rust-debug
index db9a793ff23..de051260470 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/07tvJxvZrgDeTmptOclErA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/07tvJxvZrgDeTmptOclErA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { margin: 0 1 0 1 }
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/07tvJxvZrgDeTmptOclErA/input.css:1:5
+  |
+1 | a { margin: 0 1 0 1 }
+  |     ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/07tvJxvZrgDeTmptOclErA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/0LKvnY2GhG7ss8EXa0t6tQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/0LKvnY2GhG7ss8EXa0t6tQ/span.rust-debug
index b1bdcd4d374..84b2b5e4491 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/0LKvnY2GhG7ss8EXa0t6tQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/0LKvnY2GhG7ss8EXa0t6tQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: 10p\32x }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/0LKvnY2GhG7ss8EXa0t6tQ/input.css:1:5
+  |
+1 | a { value: 10p\32x }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/0LKvnY2GhG7ss8EXa0t6tQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/12EwJCu6DsfOEJubQW9jLg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/12EwJCu6DsfOEJubQW9jLg/span.rust-debug
index 3c75ea69285..6b48f66bb89 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/12EwJCu6DsfOEJubQW9jLg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/12EwJCu6DsfOEJubQW9jLg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { border-radius: 1 2 3 4; border-top-right-radius: 5 6; }
   |     ^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/12EwJCu6DsfOEJubQW9jLg/input.css:1:5
+  |
+1 | a { border-radius: 1 2 3 4; border-top-right-radius: 5 6; }
+  |     ^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/12EwJCu6DsfOEJubQW9jLg/input.css:1:5
   |
@@ -118,6 +124,12 @@ error: Declaration
 1 | a { border-radius: 1 2 3 4; border-top-right-radius: 5 6; }
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/12EwJCu6DsfOEJubQW9jLg/input.css:1:29
+  |
+1 | a { border-radius: 1 2 3 4; border-top-right-radius: 5 6; }
+  |                             ^^^^^^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/12EwJCu6DsfOEJubQW9jLg/input.css:1:29
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/1naykwaIKZc6zuHRNIccLQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/1naykwaIKZc6zuHRNIccLQ/span.rust-debug
index 093832044c1..9071968dd6f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/1naykwaIKZc6zuHRNIccLQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/1naykwaIKZc6zuHRNIccLQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: id\65nt }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/1naykwaIKZc6zuHRNIccLQ/input.css:1:5
+  |
+1 | a { value: id\65nt }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/1naykwaIKZc6zuHRNIccLQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/2nNBhRWO2cNcBJf09zDxjw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/2nNBhRWO2cNcBJf09zDxjw/span.rust-debug
index 09e6cdd7755..1b2bb9945a0 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/2nNBhRWO2cNcBJf09zDxjw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/2nNBhRWO2cNcBJf09zDxjw/span.rust-debug
@@ -76,6 +76,12 @@ error: Declaration
 1 | a:after { content: 'a\b' }
   |           ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/2nNBhRWO2cNcBJf09zDxjw/input.css:1:11
+  |
+1 | a:after { content: 'a\b' }
+  |           ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/2nNBhRWO2cNcBJf09zDxjw/input.css:1:11
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/36qnNuIUvbIrMnJKDxwE5A/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/36qnNuIUvbIrMnJKDxwE5A/span.rust-debug
index d319ca150b0..71e87c82ab9 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/36qnNuIUvbIrMnJKDxwE5A/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/36qnNuIUvbIrMnJKDxwE5A/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: \66n() }
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/36qnNuIUvbIrMnJKDxwE5A/input.css:1:5
+  |
+1 | a { value: \66n() }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/36qnNuIUvbIrMnJKDxwE5A/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/375WZQg3bngUbuoHsqEIcA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/375WZQg3bngUbuoHsqEIcA/span.rust-debug
index f5de9d8a868..e1456e63528 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/375WZQg3bngUbuoHsqEIcA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/375WZQg3bngUbuoHsqEIcA/span.rust-debug
@@ -64,6 +64,12 @@ error: Declaration
 1 | @keyframes test { from { color: red } to {} }
   |                          ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/375WZQg3bngUbuoHsqEIcA/input.css:1:26
+  |
+1 | @keyframes test { from { color: red } to {} }
+  |                          ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/375WZQg3bngUbuoHsqEIcA/input.css:1:26
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/39pbt1sIeFh8WWhCalZS4g/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/39pbt1sIeFh8WWhCalZS4g/span.rust-debug
index 6da64053a55..d26a6e190ca 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/39pbt1sIeFh8WWhCalZS4g/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/39pbt1sIeFh8WWhCalZS4g/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #ABCD }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/39pbt1sIeFh8WWhCalZS4g/input.css:1:5
+  |
+1 | a { color: #ABCD }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/39pbt1sIeFh8WWhCalZS4g/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/3EgMpLwjJNG0ht4U_r6cnw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/3EgMpLwjJNG0ht4U_r6cnw/span.rust-debug
index 72777f5f1df..91413ca3f6b 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/3EgMpLwjJNG0ht4U_r6cnw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/3EgMpLwjJNG0ht4U_r6cnw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #ABBBCCDD }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/3EgMpLwjJNG0ht4U_r6cnw/input.css:1:5
+  |
+1 | a { color: #ABBBCCDD }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/3EgMpLwjJNG0ht4U_r6cnw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/3JGye8AhworwNFoUL1gKbg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/3JGye8AhworwNFoUL1gKbg/span.rust-debug
index 9e21d647c32..37acbed1724 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/3JGye8AhworwNFoUL1gKbg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/3JGye8AhworwNFoUL1gKbg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #abcf }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/3JGye8AhworwNFoUL1gKbg/input.css:1:5
+  |
+1 | a { color: #abcf }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/3JGye8AhworwNFoUL1gKbg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/3OV2jH0hrt2_2jOv6t4wvA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/3OV2jH0hrt2_2jOv6t4wvA/span.rust-debug
index 746dd9a19c4..bd21630ec0f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/3OV2jH0hrt2_2jOv6t4wvA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/3OV2jH0hrt2_2jOv6t4wvA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: 0.1%; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/3OV2jH0hrt2_2jOv6t4wvA/input.css:1:5
+  |
+1 | a { width: 0.1%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/3OV2jH0hrt2_2jOv6t4wvA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/3a1KXFwtncypOUCwQI7IAw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/3a1KXFwtncypOUCwQI7IAw/span.rust-debug
index e36dddaadaf..d4fdf509cdb 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/3a1KXFwtncypOUCwQI7IAw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/3a1KXFwtncypOUCwQI7IAw/span.rust-debug
@@ -70,6 +70,12 @@ error: Declaration
 1 | @keyframes name { 100% { color: red } }
   |                          ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/3a1KXFwtncypOUCwQI7IAw/input.css:1:26
+  |
+1 | @keyframes name { 100% { color: red } }
+  |                          ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/3a1KXFwtncypOUCwQI7IAw/input.css:1:26
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/4-S1C8qZOZ6Mm7WdRUH72Q/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/4-S1C8qZOZ6Mm7WdRUH72Q/span.rust-debug
index 1c265eb15a1..40961bf581c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/4-S1C8qZOZ6Mm7WdRUH72Q/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/4-S1C8qZOZ6Mm7WdRUH72Q/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: @\6b eyword }
   |     ^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/4-S1C8qZOZ6Mm7WdRUH72Q/input.css:1:5
+  |
+1 | a { value: @\6b eyword }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/4-S1C8qZOZ6Mm7WdRUH72Q/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/485Ns9qQHa89OJU5Lhjx-Q/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/485Ns9qQHa89OJU5Lhjx-Q/span.rust-debug
index 11b572434fd..12b2d2b8da5 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/485Ns9qQHa89OJU5Lhjx-Q/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/485Ns9qQHa89OJU5Lhjx-Q/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: \69 dent }
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/485Ns9qQHa89OJU5Lhjx-Q/input.css:1:5
+  |
+1 | a { value: \69 dent }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/485Ns9qQHa89OJU5Lhjx-Q/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/486QvEO8dmLFsXYp6xgKVw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/486QvEO8dmLFsXYp6xgKVw/span.rust-debug
index 7f5b0a52007..67db84655db 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/486QvEO8dmLFsXYp6xgKVw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/486QvEO8dmLFsXYp6xgKVw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: #\30hash }
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/486QvEO8dmLFsXYp6xgKVw/input.css:1:5
+  |
+1 | a { value: #\30hash }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/486QvEO8dmLFsXYp6xgKVw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/4Tjjgepnha63E4UiXXDNEA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/4Tjjgepnha63E4UiXXDNEA/span.rust-debug
index f49df3dc6b9..f031eb3ae9c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/4Tjjgepnha63E4UiXXDNEA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/4Tjjgepnha63E4UiXXDNEA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: 0.0; }
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/4Tjjgepnha63E4UiXXDNEA/input.css:1:5
+  |
+1 | a { width: 0.0; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/4Tjjgepnha63E4UiXXDNEA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/4WSp4-HbKB-f1GLF00sf6A/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/4WSp4-HbKB-f1GLF00sf6A/span.rust-debug
index e4856f4b22c..63e5b4ac11a 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/4WSp4-HbKB-f1GLF00sf6A/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/4WSp4-HbKB-f1GLF00sf6A/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { padding: 0 1 0px 1px }
   |     ^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/4WSp4-HbKB-f1GLF00sf6A/input.css:1:5
+  |
+1 | a { padding: 0 1 0px 1px }
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/4WSp4-HbKB-f1GLF00sf6A/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/53OltIbJ-YBXtSKedVvYwA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/53OltIbJ-YBXtSKedVvYwA/span.rust-debug
index 5c3a4f7ddeb..0fed95ee562 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/53OltIbJ-YBXtSKedVvYwA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/53OltIbJ-YBXtSKedVvYwA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: 10\2cx }
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/53OltIbJ-YBXtSKedVvYwA/input.css:1:5
+  |
+1 | a { value: 10\2cx }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/53OltIbJ-YBXtSKedVvYwA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/5IxIPW9sKkvdZIzfV33AcA/output.json b/crates/swc_css_parser/tests/fixture/esbuild/misc/5IxIPW9sKkvdZIzfV33AcA/output.json
index fc7be4721f3..bb07f7b221a 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/5IxIPW9sKkvdZIzfV33AcA/output.json
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/5IxIPW9sKkvdZIzfV33AcA/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 10,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/5IxIPW9sKkvdZIzfV33AcA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/5IxIPW9sKkvdZIzfV33AcA/span.rust-debug
index 96c84d6fe67..994d3a9a718 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/5IxIPW9sKkvdZIzfV33AcA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/5IxIPW9sKkvdZIzfV33AcA/span.rust-debug
@@ -22,9 +22,15 @@ error: UnknownAtRule
 1 | @u\,nknown;
   | ^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/esbuild/misc/5IxIPW9sKkvdZIzfV33AcA/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/esbuild/misc/5IxIPW9sKkvdZIzfV33AcA/input.css:1:2
   |
 1 | @u\,nknown;
-  | ^^^^^^^^^^
+  |  ^^^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/esbuild/misc/5IxIPW9sKkvdZIzfV33AcA/input.css:1:2
+  |
+1 | @u\,nknown;
+  |  ^^^^^^^^^
 
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/5al65IRQbw_x4yG3ke74fQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/5al65IRQbw_x4yG3ke74fQ/span.rust-debug
index c79da77789f..7bd922b5a3c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/5al65IRQbw_x4yG3ke74fQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/5al65IRQbw_x4yG3ke74fQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: +0.1; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/5al65IRQbw_x4yG3ke74fQ/input.css:1:5
+  |
+1 | a { width: +0.1; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/5al65IRQbw_x4yG3ke74fQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/5cnGKjYPm1XBeqTmw3oCag/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/5cnGKjYPm1XBeqTmw3oCag/span.rust-debug
index b7836029844..d3f87161342 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/5cnGKjYPm1XBeqTmw3oCag/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/5cnGKjYPm1XBeqTmw3oCag/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: x\, }
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/5cnGKjYPm1XBeqTmw3oCag/input.css:1:5
+  |
+1 | a { value: x\, }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/5cnGKjYPm1XBeqTmw3oCag/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/5yer6GUWydidDHrfgacUkA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/5yer6GUWydidDHrfgacUkA/span.rust-debug
index ba7b40f9b78..4de13818e03 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/5yer6GUWydidDHrfgacUkA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/5yer6GUWydidDHrfgacUkA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #1234 }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/5yer6GUWydidDHrfgacUkA/input.css:1:5
+  |
+1 | a { color: #1234 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/5yer6GUWydidDHrfgacUkA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/6WYwXsqP1SJOa-6oDBobzQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/6WYwXsqP1SJOa-6oDBobzQ/span.rust-debug
index 26573a87ebb..f2eb9f195b9 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/6WYwXsqP1SJOa-6oDBobzQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/6WYwXsqP1SJOa-6oDBobzQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: white }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/6WYwXsqP1SJOa-6oDBobzQ/input.css:1:5
+  |
+1 | a { color: white }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/6WYwXsqP1SJOa-6oDBobzQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/6aNPFn_YOBL4koYvV-g8pQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/6aNPFn_YOBL4koYvV-g8pQ/span.rust-debug
index cac9f8b7425..5df6db2fccb 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/6aNPFn_YOBL4koYvV-g8pQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/6aNPFn_YOBL4koYvV-g8pQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: .0%; }
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/6aNPFn_YOBL4koYvV-g8pQ/input.css:1:5
+  |
+1 | a { width: .0%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/6aNPFn_YOBL4koYvV-g8pQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/6kUhG0W7hwZxIuaCsZ7pHg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/6kUhG0W7hwZxIuaCsZ7pHg/span.rust-debug
index fca0d4cef60..102bbfb5c6c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/6kUhG0W7hwZxIuaCsZ7pHg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/6kUhG0W7hwZxIuaCsZ7pHg/span.rust-debug
@@ -76,6 +76,12 @@ error: Declaration
 1 | a:after { content: 'a\62 c' }
   |           ^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/6kUhG0W7hwZxIuaCsZ7pHg/input.css:1:11
+  |
+1 | a:after { content: 'a\62 c' }
+  |           ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/6kUhG0W7hwZxIuaCsZ7pHg/input.css:1:11
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/7CK6ZYt4CWz7Ge5KWLKBYg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/7CK6ZYt4CWz7Ge5KWLKBYg/span.rust-debug
index 4338c990e0d..08a68d43ef8 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/7CK6ZYt4CWz7Ge5KWLKBYg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/7CK6ZYt4CWz7Ge5KWLKBYg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #aabbccef }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/7CK6ZYt4CWz7Ge5KWLKBYg/input.css:1:5
+  |
+1 | a { color: #aabbccef }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/7CK6ZYt4CWz7Ge5KWLKBYg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/7YGXOizztR38f8fGB1DRaQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/7YGXOizztR38f8fGB1DRaQ/span.rust-debug
index 3588c0e1b9a..c3a5feecbca 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/7YGXOizztR38f8fGB1DRaQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/7YGXOizztR38f8fGB1DRaQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: -.00%; }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/7YGXOizztR38f8fGB1DRaQ/input.css:1:5
+  |
+1 | a { width: -.00%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/7YGXOizztR38f8fGB1DRaQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/7q6h33W5r1sx-W3Q7DipjA/output.json b/crates/swc_css_parser/tests/fixture/esbuild/misc/7q6h33W5r1sx-W3Q7DipjA/output.json
index 5621c77e8c3..108f72f3381 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/7q6h33W5r1sx-W3Q7DipjA/output.json
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/7q6h33W5r1sx-W3Q7DipjA/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 11,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/7q6h33W5r1sx-W3Q7DipjA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/7q6h33W5r1sx-W3Q7DipjA/span.rust-debug
index e97bede50f0..2ced617cd76 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/7q6h33W5r1sx-W3Q7DipjA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/7q6h33W5r1sx-W3Q7DipjA/span.rust-debug
@@ -22,9 +22,15 @@ error: UnknownAtRule
 1 | @u\2cnknown;
   | ^^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/esbuild/misc/7q6h33W5r1sx-W3Q7DipjA/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/esbuild/misc/7q6h33W5r1sx-W3Q7DipjA/input.css:1:2
   |
 1 | @u\2cnknown;
-  | ^^^^^^^^^^^
+  |  ^^^^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/esbuild/misc/7q6h33W5r1sx-W3Q7DipjA/input.css:1:2
+  |
+1 | @u\2cnknown;
+  |  ^^^^^^^^^^
 
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/866Law8W0FQas7QMxFjUbw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/866Law8W0FQas7QMxFjUbw/span.rust-debug
index 712105661f7..88fb4cc93d8 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/866Law8W0FQas7QMxFjUbw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/866Law8W0FQas7QMxFjUbw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: 10x\2c }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/866Law8W0FQas7QMxFjUbw/input.css:1:5
+  |
+1 | a { value: 10x\2c }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/866Law8W0FQas7QMxFjUbw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/8Gs_Q4kYqijbgIQ6xIW8qw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/8Gs_Q4kYqijbgIQ6xIW8qw/span.rust-debug
index 9c4d96848f0..cb01b53018d 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/8Gs_Q4kYqijbgIQ6xIW8qw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/8Gs_Q4kYqijbgIQ6xIW8qw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: url(a\62c) }
   |     ^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/8Gs_Q4kYqijbgIQ6xIW8qw/input.css:1:5
+  |
+1 | a { value: url(a\62c) }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/8Gs_Q4kYqijbgIQ6xIW8qw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/9IIa-42s3YQFw8ilk39GdQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/9IIa-42s3YQFw8ilk39GdQ/span.rust-debug
index b719aabf16a..aae1345e4b7 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/9IIa-42s3YQFw8ilk39GdQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/9IIa-42s3YQFw8ilk39GdQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #AABBCCFF }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/9IIa-42s3YQFw8ilk39GdQ/input.css:1:5
+  |
+1 | a { color: #AABBCCFF }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/9IIa-42s3YQFw8ilk39GdQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/A3jvzrmJH_MIf_Uilsy4sg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/A3jvzrmJH_MIf_Uilsy4sg/span.rust-debug
index 21807fa5ac1..0b27369978c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/A3jvzrmJH_MIf_Uilsy4sg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/A3jvzrmJH_MIf_Uilsy4sg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: +0.1%; }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/A3jvzrmJH_MIf_Uilsy4sg/input.css:1:5
+  |
+1 | a { width: +0.1%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/A3jvzrmJH_MIf_Uilsy4sg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/ACQUsGVQAmGzhMqBRmS6Mw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/ACQUsGVQAmGzhMqBRmS6Mw/span.rust-debug
index 61080168e70..92e480a1e3c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/ACQUsGVQAmGzhMqBRmS6Mw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/ACQUsGVQAmGzhMqBRmS6Mw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: .10; }
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/ACQUsGVQAmGzhMqBRmS6Mw/input.css:1:5
+  |
+1 | a { width: .10; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/ACQUsGVQAmGzhMqBRmS6Mw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/ATZbhYBr7fOFJoZ4E2dwkA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/ATZbhYBr7fOFJoZ4E2dwkA/span.rust-debug
index 83ba9c69f9c..d2b0f1eb2aa 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/ATZbhYBr7fOFJoZ4E2dwkA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/ATZbhYBr7fOFJoZ4E2dwkA/span.rust-debug
@@ -88,6 +88,12 @@ error: Declaration
 1 | @keyframes name { 0%, 50% { color: red } 25%, 75% { color: blue } }
   |                             ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/ATZbhYBr7fOFJoZ4E2dwkA/input.css:1:29
+  |
+1 | @keyframes name { 0%, 50% { color: red } 25%, 75% { color: blue } }
+  |                             ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/ATZbhYBr7fOFJoZ4E2dwkA/input.css:1:29
   |
@@ -166,6 +172,12 @@ error: Declaration
 1 | @keyframes name { 0%, 50% { color: red } 25%, 75% { color: blue } }
   |                                                     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/ATZbhYBr7fOFJoZ4E2dwkA/input.css:1:53
+  |
+1 | @keyframes name { 0%, 50% { color: red } 25%, 75% { color: blue } }
+  |                                                     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/ATZbhYBr7fOFJoZ4E2dwkA/input.css:1:53
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/AVaQlt9z0lhJC6bHHDPVeA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/AVaQlt9z0lhJC6bHHDPVeA/span.rust-debug
index 3ac5124e790..e281639fc54 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/AVaQlt9z0lhJC6bHHDPVeA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/AVaQlt9z0lhJC6bHHDPVeA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: x\2c() }
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/AVaQlt9z0lhJC6bHHDPVeA/input.css:1:5
+  |
+1 | a { value: x\2c() }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/AVaQlt9z0lhJC6bHHDPVeA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Afm91-TMNbzd52HsPrCCNA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Afm91-TMNbzd52HsPrCCNA/span.rust-debug
index f877ae7770b..eaed0113f24 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Afm91-TMNbzd52HsPrCCNA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Afm91-TMNbzd52HsPrCCNA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #abbbccff }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Afm91-TMNbzd52HsPrCCNA/input.css:1:5
+  |
+1 | a { color: #abbbccff }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Afm91-TMNbzd52HsPrCCNA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/AigZ338AGwCqF4M9a3Quqw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/AigZ338AGwCqF4M9a3Quqw/span.rust-debug
index 8dae129f17d..d348bd7214b 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/AigZ338AGwCqF4M9a3Quqw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/AigZ338AGwCqF4M9a3Quqw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #AABCCCDD }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/AigZ338AGwCqF4M9a3Quqw/input.css:1:5
+  |
+1 | a { color: #AABCCCDD }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/AigZ338AGwCqF4M9a3Quqw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/AocxkR5Gt30Hu6JV7J56Wg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/AocxkR5Gt30Hu6JV7J56Wg/span.rust-debug
index ec8a84a5935..994c11d1eaf 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/AocxkR5Gt30Hu6JV7J56Wg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/AocxkR5Gt30Hu6JV7J56Wg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #aabccc }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/AocxkR5Gt30Hu6JV7J56Wg/input.css:1:5
+  |
+1 | a { color: #aabccc }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/AocxkR5Gt30Hu6JV7J56Wg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/AwZM5l5vBlyrbgG-Fk0_EQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/AwZM5l5vBlyrbgG-Fk0_EQ/span.rust-debug
index e30e30cbc9b..75a0ddcc0d7 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/AwZM5l5vBlyrbgG-Fk0_EQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/AwZM5l5vBlyrbgG-Fk0_EQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: x\2c }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/AwZM5l5vBlyrbgG-Fk0_EQ/input.css:1:5
+  |
+1 | a { value: x\2c }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/AwZM5l5vBlyrbgG-Fk0_EQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/BKyQWW5j9vRP-kr41nqcjg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/BKyQWW5j9vRP-kr41nqcjg/span.rust-debug
index a3479722e53..6e3d8b90956 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/BKyQWW5j9vRP-kr41nqcjg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/BKyQWW5j9vRP-kr41nqcjg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: #\68 ash }
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/BKyQWW5j9vRP-kr41nqcjg/input.css:1:5
+  |
+1 | a { value: #\68 ash }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/BKyQWW5j9vRP-kr41nqcjg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/BrJMdtdKJAuIZIG5MVWUYA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/BrJMdtdKJAuIZIG5MVWUYA/span.rust-debug
index 51cfe05e022..ce6225d162d 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/BrJMdtdKJAuIZIG5MVWUYA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/BrJMdtdKJAuIZIG5MVWUYA/span.rust-debug
@@ -64,6 +64,12 @@ error: Declaration
 1 | .selector { property: value\9; }
   |             ^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/BrJMdtdKJAuIZIG5MVWUYA/input.css:1:13
+  |
+1 | .selector { property: value\9; }
+  |             ^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/BrJMdtdKJAuIZIG5MVWUYA/input.css:1:13
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/C4I0cdQcSbpaGOS-V8fwew/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/C4I0cdQcSbpaGOS-V8fwew/span.rust-debug
index 6f6e1082de9..f1189de89d4 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/C4I0cdQcSbpaGOS-V8fwew/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/C4I0cdQcSbpaGOS-V8fwew/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: #0h\61sh }
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/C4I0cdQcSbpaGOS-V8fwew/input.css:1:5
+  |
+1 | a { value: #0h\61sh }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/C4I0cdQcSbpaGOS-V8fwew/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/C6gS3Kl0KEwGsFaUUGXzFg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/C6gS3Kl0KEwGsFaUUGXzFg/span.rust-debug
index 7a42cda60b1..529f4158e96 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/C6gS3Kl0KEwGsFaUUGXzFg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/C6gS3Kl0KEwGsFaUUGXzFg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #112234ff }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/C6gS3Kl0KEwGsFaUUGXzFg/input.css:1:5
+  |
+1 | a { color: #112234ff }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/C6gS3Kl0KEwGsFaUUGXzFg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/CQiowK9DjojqKtlpQifemA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/CQiowK9DjojqKtlpQifemA/span.rust-debug
index 49b3052c992..d94837c80cc 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/CQiowK9DjojqKtlpQifemA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/CQiowK9DjojqKtlpQifemA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #ABBBCC }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/CQiowK9DjojqKtlpQifemA/input.css:1:5
+  |
+1 | a { color: #ABBBCC }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/CQiowK9DjojqKtlpQifemA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/CiejHTPFd8U5szvvY3uRjw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/CiejHTPFd8U5szvvY3uRjw/span.rust-debug
index d3fb41bbe46..0e55cf39db2 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/CiejHTPFd8U5szvvY3uRjw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/CiejHTPFd8U5szvvY3uRjw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: @\6beyword }
   |     ^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/CiejHTPFd8U5szvvY3uRjw/input.css:1:5
+  |
+1 | a { value: @\6beyword }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/CiejHTPFd8U5szvvY3uRjw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/CqrYlHva8qUNgSPb8EwWjg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/CqrYlHva8qUNgSPb8EwWjg/span.rust-debug
index 92bff5157cd..cf7173e300a 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/CqrYlHva8qUNgSPb8EwWjg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/CqrYlHva8qUNgSPb8EwWjg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: 'a\62 c' }
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/CqrYlHva8qUNgSPb8EwWjg/input.css:1:5
+  |
+1 | a { value: 'a\62 c' }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/CqrYlHva8qUNgSPb8EwWjg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Cz4vXE_NaBs6qNXE1kUyqQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Cz4vXE_NaBs6qNXE1kUyqQ/span.rust-debug
index 2c626f9792c03d086dd43aa88d27d7e6ac6d0e54..e6e6b0d15e1d348063385088c3099ca2af391672 100644
GIT binary patch
delta 32
ocmbQlJCARJIP2sIEZiIcMfnA(MJ1IJ1wALHvKnj_XRT%g0IXCB8UO$Q

delta 20
ccmbQoH;H$HIP2u;%zl%fu&8gAU}Iwh07yLs4FCWD

diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/D5Oyf1ABeS8lie5Lg-5pqg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/D5Oyf1ABeS8lie5Lg-5pqg/span.rust-debug
index 981f2406853..bdd62ce127a 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/D5Oyf1ABeS8lie5Lg-5pqg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/D5Oyf1ABeS8lie5Lg-5pqg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: x\0 }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/D5Oyf1ABeS8lie5Lg-5pqg/input.css:1:5
+  |
+1 | a { value: x\0 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/D5Oyf1ABeS8lie5Lg-5pqg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/DrlXteRB-ppLVxi4_N4dhA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/DrlXteRB-ppLVxi4_N4dhA/span.rust-debug
index b79e5b437f9..d161a7e3e8b 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/DrlXteRB-ppLVxi4_N4dhA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/DrlXteRB-ppLVxi4_N4dhA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: \2cx }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/DrlXteRB-ppLVxi4_N4dhA/input.css:1:5
+  |
+1 | a { value: \2cx }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/DrlXteRB-ppLVxi4_N4dhA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/EJPa4WhTn_fRRrDiA2bczg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/EJPa4WhTn_fRRrDiA2bczg/span.rust-debug
index 941b1b7436e..378eb96c96b 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/EJPa4WhTn_fRRrDiA2bczg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/EJPa4WhTn_fRRrDiA2bczg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #aabbcc }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/EJPa4WhTn_fRRrDiA2bczg/input.css:1:5
+  |
+1 | a { color: #aabbcc }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/EJPa4WhTn_fRRrDiA2bczg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/EYFn-trzBus37dDEvK1jUQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/EYFn-trzBus37dDEvK1jUQ/span.rust-debug
index c27e29be136..ba34938ff50 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/EYFn-trzBus37dDEvK1jUQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/EYFn-trzBus37dDEvK1jUQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #122233 }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/EYFn-trzBus37dDEvK1jUQ/input.css:1:5
+  |
+1 | a { color: #122233 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/EYFn-trzBus37dDEvK1jUQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/ElFW4lY06Cb-VFYtK0WX4A/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/ElFW4lY06Cb-VFYtK0WX4A/span.rust-debug
index 2c01f1bc379..9bf4d4ec95e 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/ElFW4lY06Cb-VFYtK0WX4A/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/ElFW4lY06Cb-VFYtK0WX4A/span.rust-debug
@@ -88,6 +88,12 @@ error: Declaration
 1 | @-moz-document url-prefix() { h1 { color: green } }
   |                                    ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/ElFW4lY06Cb-VFYtK0WX4A/input.css:1:36
+  |
+1 | @-moz-document url-prefix() { h1 { color: green } }
+  |                                    ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/ElFW4lY06Cb-VFYtK0WX4A/input.css:1:36
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/F-AbRDwG_3dGLhE7pzr5aA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/F-AbRDwG_3dGLhE7pzr5aA/span.rust-debug
index 54071b9c5e2..82c049209f7 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/F-AbRDwG_3dGLhE7pzr5aA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/F-AbRDwG_3dGLhE7pzr5aA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: x\1 }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/F-AbRDwG_3dGLhE7pzr5aA/input.css:1:5
+  |
+1 | a { value: x\1 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/F-AbRDwG_3dGLhE7pzr5aA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/FTOGKsI_y1QxMNEu_Fgq7Q/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/FTOGKsI_y1QxMNEu_Fgq7Q/span.rust-debug
index a5c73003714..11bd12c3cfe 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/FTOGKsI_y1QxMNEu_Fgq7Q/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/FTOGKsI_y1QxMNEu_Fgq7Q/span.rust-debug
@@ -40,6 +40,12 @@ error: Declaration
 1 | @page { color: red; @top-left {} }
   |         ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/FTOGKsI_y1QxMNEu_Fgq7Q/input.css:1:9
+  |
+1 | @page { color: red; @top-left {} }
+  |         ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/FTOGKsI_y1QxMNEu_Fgq7Q/input.css:1:9
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/FlqjDLebWxQvNIxKppBllw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/FlqjDLebWxQvNIxKppBllw/span.rust-debug
index c99a7ac4151..21d4472a09e 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/FlqjDLebWxQvNIxKppBllw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/FlqjDLebWxQvNIxKppBllw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #aabbcd }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/FlqjDLebWxQvNIxKppBllw/input.css:1:5
+  |
+1 | a { color: #aabbcd }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/FlqjDLebWxQvNIxKppBllw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Fm7gvlx7uRyvrfzUC7rJxg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Fm7gvlx7uRyvrfzUC7rJxg/span.rust-debug
index 294db5a44d6..7ca28a28e41 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Fm7gvlx7uRyvrfzUC7rJxg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Fm7gvlx7uRyvrfzUC7rJxg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: #x\, }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Fm7gvlx7uRyvrfzUC7rJxg/input.css:1:5
+  |
+1 | a { value: #x\, }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Fm7gvlx7uRyvrfzUC7rJxg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/GC0pcFQY1xSlq9QsgSvEVg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/GC0pcFQY1xSlq9QsgSvEVg/span.rust-debug
index 11df1ebf473..f91c060bbb0 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/GC0pcFQY1xSlq9QsgSvEVg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/GC0pcFQY1xSlq9QsgSvEVg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: -.0; }
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/GC0pcFQY1xSlq9QsgSvEVg/input.css:1:5
+  |
+1 | a { width: -.0; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/GC0pcFQY1xSlq9QsgSvEVg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/GI1rffTXev-78n9ei_53wQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/GI1rffTXev-78n9ei_53wQ/span.rust-debug
index 0eed5df50ad..893937035a2 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/GI1rffTXev-78n9ei_53wQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/GI1rffTXev-78n9ei_53wQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: '\1' }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/GI1rffTXev-78n9ei_53wQ/input.css:1:5
+  |
+1 | a { value: '\1' }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/GI1rffTXev-78n9ei_53wQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/GpePX8ZJM8IP14hXFTKKxQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/GpePX8ZJM8IP14hXFTKKxQ/span.rust-debug
index 27f58811d2d..95d3f8dbe8a 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/GpePX8ZJM8IP14hXFTKKxQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/GpePX8ZJM8IP14hXFTKKxQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: x\,() }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/GpePX8ZJM8IP14hXFTKKxQ/input.css:1:5
+  |
+1 | a { value: x\,() }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/GpePX8ZJM8IP14hXFTKKxQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Gt3Lw4L5Pe4aLLDPz9cxRg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Gt3Lw4L5Pe4aLLDPz9cxRg/span.rust-debug
index e703a6a4580..1bc1470b52c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Gt3Lw4L5Pe4aLLDPz9cxRg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Gt3Lw4L5Pe4aLLDPz9cxRg/span.rust-debug
@@ -64,6 +64,12 @@ error: Declaration
 1 | .decl { a: b; c: d }
   |         ^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Gt3Lw4L5Pe4aLLDPz9cxRg/input.css:1:9
+  |
+1 | .decl { a: b; c: d }
+  |         ^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Gt3Lw4L5Pe4aLLDPz9cxRg/input.css:1:9
   |
@@ -88,6 +94,12 @@ error: Declaration
 1 | .decl { a: b; c: d }
   |               ^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Gt3Lw4L5Pe4aLLDPz9cxRg/input.css:1:15
+  |
+1 | .decl { a: b; c: d }
+  |               ^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Gt3Lw4L5Pe4aLLDPz9cxRg/input.css:1:15
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/HDNE73X9waUrBkTAzz-20g/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/HDNE73X9waUrBkTAzz-20g/span.rust-debug
index e5c1c128322..0e66b7bfd40 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/HDNE73X9waUrBkTAzz-20g/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/HDNE73X9waUrBkTAzz-20g/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: #h\61sh }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/HDNE73X9waUrBkTAzz-20g/input.css:1:5
+  |
+1 | a { value: #h\61sh }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/HDNE73X9waUrBkTAzz-20g/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/HWU09nmB9oZX7WY8zUbrnA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/HWU09nmB9oZX7WY8zUbrnA/span.rust-debug
index 182b2180490..929a197b639 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/HWU09nmB9oZX7WY8zUbrnA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/HWU09nmB9oZX7WY8zUbrnA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: -0.1%; }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/HWU09nmB9oZX7WY8zUbrnA/input.css:1:5
+  |
+1 | a { width: -0.1%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/HWU09nmB9oZX7WY8zUbrnA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Jmhb8p_Oc2-nzkcDSk0dww/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Jmhb8p_Oc2-nzkcDSk0dww/span.rust-debug
index 5df6566bc2b..f1371746ee7 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Jmhb8p_Oc2-nzkcDSk0dww/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Jmhb8p_Oc2-nzkcDSk0dww/span.rust-debug
@@ -64,6 +64,12 @@ error: Declaration
 1 | @keyframes name { from { color: red } }
   |                          ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Jmhb8p_Oc2-nzkcDSk0dww/input.css:1:26
+  |
+1 | @keyframes name { from { color: red } }
+  |                          ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Jmhb8p_Oc2-nzkcDSk0dww/input.css:1:26
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/output.json b/crates/swc_css_parser/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/output.json
index c97ed1ddce9..57baf86e489 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/output.json
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 8,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/span.rust-debug
index 4765a969d96..11ac5aeafb6 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/span.rust-debug
@@ -34,11 +34,17 @@ error: UnknownAtRule
 4 | | }
   | |_^
 
-error: Ident
- --> $DIR/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/input.css:1:2
   |
 1 | @unknown{
-  | ^^^^^^^^
+  |  ^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/input.css:1:2
+  |
+1 | @unknown{
+  |  ^^^^^^^
 
 error: SimpleBlock
  --> $DIR/tests/fixture/esbuild/misc/L0mEf41IMkWcP7NotllkAg/input.css:1:9
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/LoeMqdekBkn3XKYHQFHOZA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/LoeMqdekBkn3XKYHQFHOZA/span.rust-debug
index ecd3226d3a2..72ccb259caf 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/LoeMqdekBkn3XKYHQFHOZA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/LoeMqdekBkn3XKYHQFHOZA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #AABCCC }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/LoeMqdekBkn3XKYHQFHOZA/input.css:1:5
+  |
+1 | a { color: #AABCCC }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/LoeMqdekBkn3XKYHQFHOZA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/MK5PGiCFMf7RHDp05gnDCw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/MK5PGiCFMf7RHDp05gnDCw/span.rust-debug
index 76fb29d3f79..210b3fa9b50 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/MK5PGiCFMf7RHDp05gnDCw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/MK5PGiCFMf7RHDp05gnDCw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #aabbccdd }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/MK5PGiCFMf7RHDp05gnDCw/input.css:1:5
+  |
+1 | a { color: #aabbccdd }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/MK5PGiCFMf7RHDp05gnDCw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/MMBANlJKeKQw886fHOYiHA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/MMBANlJKeKQw886fHOYiHA/span.rust-debug
index e2e293338b6..7e2321f2186 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/MMBANlJKeKQw886fHOYiHA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/MMBANlJKeKQw886fHOYiHA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: 10\32x }
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/MMBANlJKeKQw886fHOYiHA/input.css:1:5
+  |
+1 | a { value: 10\32x }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/MMBANlJKeKQw886fHOYiHA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/MU8JgGd_-h5ocqkfawNxeQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/MU8JgGd_-h5ocqkfawNxeQ/span.rust-debug
index 28f6e20f9f8..ca374ecf72c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/MU8JgGd_-h5ocqkfawNxeQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/MU8JgGd_-h5ocqkfawNxeQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #abbbccdd }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/MU8JgGd_-h5ocqkfawNxeQ/input.css:1:5
+  |
+1 | a { color: #abbbccdd }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/MU8JgGd_-h5ocqkfawNxeQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Mdtiu_Fpfso6gXZMciRJgw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Mdtiu_Fpfso6gXZMciRJgw/span.rust-debug
index 01aec49ff48..cfc7eb7358c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Mdtiu_Fpfso6gXZMciRJgw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Mdtiu_Fpfso6gXZMciRJgw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: 10\65m }
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Mdtiu_Fpfso6gXZMciRJgw/input.css:1:5
+  |
+1 | a { value: 10\65m }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Mdtiu_Fpfso6gXZMciRJgw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/MmOsa9XFdPMS9x4ITbWSzg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/MmOsa9XFdPMS9x4ITbWSzg/span.rust-debug
index 2fcf797b098..c132395b20a 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/MmOsa9XFdPMS9x4ITbWSzg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/MmOsa9XFdPMS9x4ITbWSzg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: -.00; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/MmOsa9XFdPMS9x4ITbWSzg/input.css:1:5
+  |
+1 | a { width: -.00; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/MmOsa9XFdPMS9x4ITbWSzg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/MxxFvoxSpp02tFmpbNdA8g/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/MxxFvoxSpp02tFmpbNdA8g/span.rust-debug
index 0f84118d918..6bb0320466d 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/MxxFvoxSpp02tFmpbNdA8g/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/MxxFvoxSpp02tFmpbNdA8g/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: '\0' }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/MxxFvoxSpp02tFmpbNdA8g/input.css:1:5
+  |
+1 | a { value: '\0' }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/MxxFvoxSpp02tFmpbNdA8g/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/NGFFzFWLONNmgWPM_FpiZg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/NGFFzFWLONNmgWPM_FpiZg/span.rust-debug
index da7d588a4bb..5b5083c77f1 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/NGFFzFWLONNmgWPM_FpiZg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/NGFFzFWLONNmgWPM_FpiZg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: +.00%; }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/NGFFzFWLONNmgWPM_FpiZg/input.css:1:5
+  |
+1 | a { width: +.00%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/NGFFzFWLONNmgWPM_FpiZg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/O2EvcnNp_CVyX3xq5-eM-g/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/O2EvcnNp_CVyX3xq5-eM-g/span.rust-debug
index f1cb7eabb7a..b5b62d7f0b2 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/O2EvcnNp_CVyX3xq5-eM-g/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/O2EvcnNp_CVyX3xq5-eM-g/span.rust-debug
@@ -83,6 +83,12 @@ error: Declaration
 2 | | b' }
   | |__^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/O2EvcnNp_CVyX3xq5-eM-g/input.css:1:11
+  |
+1 | a:after { content: 'a\
+  |           ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/O2EvcnNp_CVyX3xq5-eM-g/input.css:1:11
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/OFqVy3cBzYnrIy6uze5Nuw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/OFqVy3cBzYnrIy6uze5Nuw/span.rust-debug
index 5fa4f1c2349..4b18a53365f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/OFqVy3cBzYnrIy6uze5Nuw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/OFqVy3cBzYnrIy6uze5Nuw/span.rust-debug
@@ -94,6 +94,12 @@ error: Declaration
 1 | @keyframes test { from {} to { color: red } }
   |                                ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/OFqVy3cBzYnrIy6uze5Nuw/input.css:1:32
+  |
+1 | @keyframes test { from {} to { color: red } }
+  |                                ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/OFqVy3cBzYnrIy6uze5Nuw/input.css:1:32
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Oc6Obl7mbH-MlFllIoAbdg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Oc6Obl7mbH-MlFllIoAbdg/span.rust-debug
index bbbf448e679..cb02cfc83eb 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Oc6Obl7mbH-MlFllIoAbdg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Oc6Obl7mbH-MlFllIoAbdg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #AABBCCDE }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Oc6Obl7mbH-MlFllIoAbdg/input.css:1:5
+  |
+1 | a { color: #AABBCCDE }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Oc6Obl7mbH-MlFllIoAbdg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/OtM9lGhbFLqI-r3dvNTUjQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/OtM9lGhbFLqI-r3dvNTUjQ/span.rust-debug
index b0da021b185..d60c80d6dd7 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/OtM9lGhbFLqI-r3dvNTUjQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/OtM9lGhbFLqI-r3dvNTUjQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: -.10; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/OtM9lGhbFLqI-r3dvNTUjQ/input.css:1:5
+  |
+1 | a { width: -.10; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/OtM9lGhbFLqI-r3dvNTUjQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/PSncmPJMuHC-CjpwiYtkDw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/PSncmPJMuHC-CjpwiYtkDw/span.rust-debug
index fa2b1cd01cc..fc93f5d01c5 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/PSncmPJMuHC-CjpwiYtkDw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/PSncmPJMuHC-CjpwiYtkDw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { border-top-left-radius: 0 0 }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/PSncmPJMuHC-CjpwiYtkDw/input.css:1:5
+  |
+1 | a { border-top-left-radius: 0 0 }
+  |     ^^^^^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/PSncmPJMuHC-CjpwiYtkDw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Q_wA-fPw3o2m3R7gyWNxbQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Q_wA-fPw3o2m3R7gyWNxbQ/span.rust-debug
index 83afb2820d9..982f9a508a5 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Q_wA-fPw3o2m3R7gyWNxbQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Q_wA-fPw3o2m3R7gyWNxbQ/span.rust-debug
@@ -76,6 +76,12 @@ error: Declaration
 1 | a:after { content: '\invalid' }
   |           ^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Q_wA-fPw3o2m3R7gyWNxbQ/input.css:1:11
+  |
+1 | a:after { content: '\invalid' }
+  |           ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Q_wA-fPw3o2m3R7gyWNxbQ/input.css:1:11
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/R6OYU1g_sB_euLV8Yzjw6w/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/R6OYU1g_sB_euLV8Yzjw6w/span.rust-debug
index 1e93bda26d3..1d5c3d73325 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/R6OYU1g_sB_euLV8Yzjw6w/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/R6OYU1g_sB_euLV8Yzjw6w/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #AABBCCEF }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/R6OYU1g_sB_euLV8Yzjw6w/input.css:1:5
+  |
+1 | a { color: #AABBCCEF }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/R6OYU1g_sB_euLV8Yzjw6w/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/RgnvIbTq0R1ivptC3lTYbQ/output.json b/crates/swc_css_parser/tests/fixture/esbuild/misc/RgnvIbTq0R1ivptC3lTYbQ/output.json
index 60fdaff6d0c..48ab674b386 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/RgnvIbTq0R1ivptC3lTYbQ/output.json
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/RgnvIbTq0R1ivptC3lTYbQ/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 10,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/RgnvIbTq0R1ivptC3lTYbQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/RgnvIbTq0R1ivptC3lTYbQ/span.rust-debug
index 88ec045d5fa..825b0b37ec8 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/RgnvIbTq0R1ivptC3lTYbQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/RgnvIbTq0R1ivptC3lTYbQ/span.rust-debug
@@ -22,9 +22,15 @@ error: UnknownAtRule
 1 | @\75nknown;
   | ^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/esbuild/misc/RgnvIbTq0R1ivptC3lTYbQ/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/esbuild/misc/RgnvIbTq0R1ivptC3lTYbQ/input.css:1:2
   |
 1 | @\75nknown;
-  | ^^^^^^^^^^
+  |  ^^^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/esbuild/misc/RgnvIbTq0R1ivptC3lTYbQ/input.css:1:2
+  |
+1 | @\75nknown;
+  |  ^^^^^^^^^
 
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/RmGccmub1dooAN8WPKTwhQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/RmGccmub1dooAN8WPKTwhQ/span.rust-debug
index 3f23bfa372d..9fb184a6798 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/RmGccmub1dooAN8WPKTwhQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/RmGccmub1dooAN8WPKTwhQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #123f }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/RmGccmub1dooAN8WPKTwhQ/input.css:1:5
+  |
+1 | a { color: #123f }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/RmGccmub1dooAN8WPKTwhQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Rq1DOaNCa5Dl2jaozalLXQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Rq1DOaNCa5Dl2jaozalLXQ/span.rust-debug
index 10b414aa340..be240b98fda 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Rq1DOaNCa5Dl2jaozalLXQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Rq1DOaNCa5Dl2jaozalLXQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { box-shadow: inset 0px 0px 0px 0px black }
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Rq1DOaNCa5Dl2jaozalLXQ/input.css:1:5
+  |
+1 | a { box-shadow: inset 0px 0px 0px 0px black }
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Rq1DOaNCa5Dl2jaozalLXQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/S2Mhk5rU2YxQPgm9rtF9WA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/S2Mhk5rU2YxQPgm9rtF9WA/span.rust-debug
index 515aa7530fc..b2fb22e3c43 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/S2Mhk5rU2YxQPgm9rtF9WA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/S2Mhk5rU2YxQPgm9rtF9WA/span.rust-debug
@@ -100,6 +100,12 @@ error: Declaration
 1 | @document url("https://www.example.com/") { h1 { color: green } }
   |                                                  ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/S2Mhk5rU2YxQPgm9rtF9WA/input.css:1:50
+  |
+1 | @document url("https://www.example.com/") { h1 { color: green } }
+  |                                                  ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/S2Mhk5rU2YxQPgm9rtF9WA/input.css:1:50
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/SFBgyV9jnFbMzWZoo9VbSQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/SFBgyV9jnFbMzWZoo9VbSQ/span.rust-debug
index d14c1202f6d..828f26b41bd 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/SFBgyV9jnFbMzWZoo9VbSQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/SFBgyV9jnFbMzWZoo9VbSQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #ABCF }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/SFBgyV9jnFbMzWZoo9VbSQ/input.css:1:5
+  |
+1 | a { color: #ABCF }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/SFBgyV9jnFbMzWZoo9VbSQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/output.json b/crates/swc_css_parser/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/output.json
index df0ab8acd96..31e725d0acd 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/output.json
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 8,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/span.rust-debug
index 6cdf76b914b..4ec0a65dfef 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/span.rust-debug
@@ -22,11 +22,17 @@ error: UnknownAtRule
 1 | @unknown x;
   | ^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/input.css:1:2
   |
 1 | @unknown x;
-  | ^^^^^^^^
+  |  ^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/input.css:1:2
+  |
+1 | @unknown x;
+  |  ^^^^^^^
 
 error: Value
  --> $DIR/tests/fixture/esbuild/misc/SnMCumHJazvlgOXgmxJ9Jg/input.css:1:9
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Ssg_Qhdw7h_c6ZtY52Qe4A/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Ssg_Qhdw7h_c6ZtY52Qe4A/span.rust-debug
index 9a4ce628061..7b4e9017e10 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Ssg_Qhdw7h_c6ZtY52Qe4A/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Ssg_Qhdw7h_c6ZtY52Qe4A/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #112333ff }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Ssg_Qhdw7h_c6ZtY52Qe4A/input.css:1:5
+  |
+1 | a { color: #112333ff }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Ssg_Qhdw7h_c6ZtY52Qe4A/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/T1SOp4KXmIb1WNsyPFEKqg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/T1SOp4KXmIb1WNsyPFEKqg/span.rust-debug
index 778c5762328..62e69838fe2 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/T1SOp4KXmIb1WNsyPFEKqg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/T1SOp4KXmIb1WNsyPFEKqg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #aabbccde }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/T1SOp4KXmIb1WNsyPFEKqg/input.css:1:5
+  |
+1 | a { color: #aabbccde }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/T1SOp4KXmIb1WNsyPFEKqg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/TB0HbwEy-7bhtK7ck9tHKQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/TB0HbwEy-7bhtK7ck9tHKQ/span.rust-debug
index f47815873c8..8c47c88123c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/TB0HbwEy-7bhtK7ck9tHKQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/TB0HbwEy-7bhtK7ck9tHKQ/span.rust-debug
@@ -64,6 +64,12 @@ error: Declaration
 1 | @keyframes name{from{color:red}to{color:blue}}
   |                      ^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/TB0HbwEy-7bhtK7ck9tHKQ/input.css:1:22
+  |
+1 | @keyframes name{from{color:red}to{color:blue}}
+  |                      ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/TB0HbwEy-7bhtK7ck9tHKQ/input.css:1:22
   |
@@ -118,6 +124,12 @@ error: Declaration
 1 | @keyframes name{from{color:red}to{color:blue}}
   |                                   ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/TB0HbwEy-7bhtK7ck9tHKQ/input.css:1:35
+  |
+1 | @keyframes name{from{color:red}to{color:blue}}
+  |                                   ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/TB0HbwEy-7bhtK7ck9tHKQ/input.css:1:35
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/TyMkoZpPOEhvUBOmUhGOXQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/TyMkoZpPOEhvUBOmUhGOXQ/span.rust-debug
index 8a895feccad..ab2d53a1e4d 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/TyMkoZpPOEhvUBOmUhGOXQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/TyMkoZpPOEhvUBOmUhGOXQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: \,x }
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/TyMkoZpPOEhvUBOmUhGOXQ/input.css:1:5
+  |
+1 | a { value: \,x }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/TyMkoZpPOEhvUBOmUhGOXQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/U2nuhvtnEWZ_kMd6i7EDWA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/U2nuhvtnEWZ_kMd6i7EDWA/span.rust-debug
index e6196885292..6094b6c7202 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/U2nuhvtnEWZ_kMd6i7EDWA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/U2nuhvtnEWZ_kMd6i7EDWA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #AABBCD }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/U2nuhvtnEWZ_kMd6i7EDWA/input.css:1:5
+  |
+1 | a { color: #AABBCD }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/U2nuhvtnEWZ_kMd6i7EDWA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Uuvi9sS4YR_ILpKl0xpfOg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Uuvi9sS4YR_ILpKl0xpfOg/span.rust-debug
index 1ae90dd797f..14e7c1dd91b 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Uuvi9sS4YR_ILpKl0xpfOg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Uuvi9sS4YR_ILpKl0xpfOg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: url(a\62 c) }
   |     ^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Uuvi9sS4YR_ILpKl0xpfOg/input.css:1:5
+  |
+1 | a { value: url(a\62 c) }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Uuvi9sS4YR_ILpKl0xpfOg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/span.rust-debug
index 41a502ec2b3..8fdd643b646 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 2 |         @page :first { margin: 0 }
   |                        ^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:2:18
+  |
+2 |         @page :first { margin: 0 }
+  |                        ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:2:18
   |
@@ -194,6 +200,12 @@ error: Declaration
 4 |             @top-left-corner { content: 'tlc' }
   |                                ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:4:23
+  |
+4 |             @top-left-corner { content: 'tlc' }
+  |                                ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:4:23
   |
@@ -278,6 +290,12 @@ error: Declaration
 5 |             @top-left { content: 'tl' }
   |                         ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:5:16
+  |
+5 |             @top-left { content: 'tl' }
+  |                         ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:5:16
   |
@@ -362,6 +380,12 @@ error: Declaration
 6 |             @top-center { content: 'tc' }
   |                           ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:6:18
+  |
+6 |             @top-center { content: 'tc' }
+  |                           ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:6:18
   |
@@ -446,6 +470,12 @@ error: Declaration
 7 |             @top-right { content: 'tr' }
   |                          ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:7:17
+  |
+7 |             @top-right { content: 'tr' }
+  |                          ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:7:17
   |
@@ -530,6 +560,12 @@ error: Declaration
 8 |             @top-right-corner { content: 'trc' }
   |                                 ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:8:24
+  |
+8 |             @top-right-corner { content: 'trc' }
+  |                                 ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:8:24
   |
@@ -614,6 +650,12 @@ error: Declaration
 9 |             @bottom-left-corner { content: 'blc' }
   |                                   ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:9:26
+  |
+9 |             @bottom-left-corner { content: 'blc' }
+  |                                   ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:9:26
   |
@@ -698,6 +740,12 @@ error: Declaration
 10 |             @bottom-left { content: 'bl' }
    |                            ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:10:19
+   |
+10 |             @bottom-left { content: 'bl' }
+   |                            ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:10:19
    |
@@ -782,6 +830,12 @@ error: Declaration
 11 |             @bottom-center { content: 'bc' }
    |                              ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:11:21
+   |
+11 |             @bottom-center { content: 'bc' }
+   |                              ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:11:21
    |
@@ -866,6 +920,12 @@ error: Declaration
 12 |             @bottom-right { content: 'br' }
    |                             ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:12:20
+   |
+12 |             @bottom-right { content: 'br' }
+   |                             ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:12:20
    |
@@ -950,6 +1010,12 @@ error: Declaration
 13 |             @bottom-right-corner { content: 'brc' }
    |                                    ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:13:27
+   |
+13 |             @bottom-right-corner { content: 'brc' }
+   |                                    ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:13:27
    |
@@ -1034,6 +1100,12 @@ error: Declaration
 14 |             @left-top { content: 'lt' }
    |                         ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:14:16
+   |
+14 |             @left-top { content: 'lt' }
+   |                         ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:14:16
    |
@@ -1118,6 +1190,12 @@ error: Declaration
 15 |             @left-middle { content: 'lm' }
    |                            ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:15:19
+   |
+15 |             @left-middle { content: 'lm' }
+   |                            ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:15:19
    |
@@ -1202,6 +1280,12 @@ error: Declaration
 16 |             @left-bottom { content: 'lb' }
    |                            ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:16:19
+   |
+16 |             @left-bottom { content: 'lb' }
+   |                            ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:16:19
    |
@@ -1286,6 +1370,12 @@ error: Declaration
 17 |             @right-top { content: 'rt' }
    |                          ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:17:17
+   |
+17 |             @right-top { content: 'rt' }
+   |                          ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:17:17
    |
@@ -1370,6 +1460,12 @@ error: Declaration
 18 |             @right-middle { content: 'rm' }
    |                             ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:18:20
+   |
+18 |             @right-middle { content: 'rm' }
+   |                             ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:18:20
    |
@@ -1454,6 +1550,12 @@ error: Declaration
 19 |             @right-bottom { content: 'rb' }
    |                             ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:19:20
+   |
+19 |             @right-bottom { content: 'rb' }
+   |                             ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/esbuild/misc/VOQJsreB5pi_yJysozWgcA/input.css:19:20
    |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/W3R-c5DPSkhG9QWYdcFdFg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/W3R-c5DPSkhG9QWYdcFdFg/span.rust-debug
index b843cc768ed..bc9796f18c8 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/W3R-c5DPSkhG9QWYdcFdFg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/W3R-c5DPSkhG9QWYdcFdFg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #AABBCCDD }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/W3R-c5DPSkhG9QWYdcFdFg/input.css:1:5
+  |
+1 | a { color: #AABBCCDD }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/W3R-c5DPSkhG9QWYdcFdFg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Wb-aVu7CEQfCy1QL2yUrEw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Wb-aVu7CEQfCy1QL2yUrEw/span.rust-debug
index 4fd97708813..4d0636cde14 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Wb-aVu7CEQfCy1QL2yUrEw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Wb-aVu7CEQfCy1QL2yUrEw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { border-radius: 1 2 3 4; border-top-right-radius: 5; }
   |     ^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Wb-aVu7CEQfCy1QL2yUrEw/input.css:1:5
+  |
+1 | a { border-radius: 1 2 3 4; border-top-right-radius: 5; }
+  |     ^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Wb-aVu7CEQfCy1QL2yUrEw/input.css:1:5
   |
@@ -118,6 +124,12 @@ error: Declaration
 1 | a { border-radius: 1 2 3 4; border-top-right-radius: 5; }
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Wb-aVu7CEQfCy1QL2yUrEw/input.css:1:29
+  |
+1 | a { border-radius: 1 2 3 4; border-top-right-radius: 5; }
+  |                             ^^^^^^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Wb-aVu7CEQfCy1QL2yUrEw/input.css:1:29
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Wplrqmb_IDjNC-o-eqLw4A/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Wplrqmb_IDjNC-o-eqLw4A/span.rust-debug
index 86479751b8f..2215675f5a1 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Wplrqmb_IDjNC-o-eqLw4A/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Wplrqmb_IDjNC-o-eqLw4A/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: \,x() }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Wplrqmb_IDjNC-o-eqLw4A/input.css:1:5
+  |
+1 | a { value: \,x() }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Wplrqmb_IDjNC-o-eqLw4A/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/X-yuwO0x1B-l1Js4JkKJZg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/X-yuwO0x1B-l1Js4JkKJZg/span.rust-debug
index a7b24449c1c..9eead6c4f0d 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/X-yuwO0x1B-l1Js4JkKJZg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/X-yuwO0x1B-l1Js4JkKJZg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: +0.0; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/X-yuwO0x1B-l1Js4JkKJZg/input.css:1:5
+  |
+1 | a { width: +0.0; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/X-yuwO0x1B-l1Js4JkKJZg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/X0UTnZK8bQhMRs3DGoqFAw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/X0UTnZK8bQhMRs3DGoqFAw/span.rust-debug
index ab183b5b6ad..8ee14edc719 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/X0UTnZK8bQhMRs3DGoqFAw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/X0UTnZK8bQhMRs3DGoqFAw/span.rust-debug
@@ -64,6 +64,12 @@ error: Declaration
 1 | @keyframes test { from { color: red } to {} }
   |                          ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/X0UTnZK8bQhMRs3DGoqFAw/input.css:1:26
+  |
+1 | @keyframes test { from { color: red } to {} }
+  |                          ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/X0UTnZK8bQhMRs3DGoqFAw/input.css:1:26
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/XzgibMiqPC2Svd-zi3M4jA/output.json b/crates/swc_css_parser/tests/fixture/esbuild/misc/XzgibMiqPC2Svd-zi3M4jA/output.json
index 534ee3e6c8a..7a73c985139 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/XzgibMiqPC2Svd-zi3M4jA/output.json
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/XzgibMiqPC2Svd-zi3M4jA/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 10,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/XzgibMiqPC2Svd-zi3M4jA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/XzgibMiqPC2Svd-zi3M4jA/span.rust-debug
index e36125d16f5..4287102675d 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/XzgibMiqPC2Svd-zi3M4jA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/XzgibMiqPC2Svd-zi3M4jA/span.rust-debug
@@ -22,9 +22,15 @@ error: UnknownAtRule
 1 | @u\6eknown;
   | ^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/esbuild/misc/XzgibMiqPC2Svd-zi3M4jA/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/esbuild/misc/XzgibMiqPC2Svd-zi3M4jA/input.css:1:2
   |
 1 | @u\6eknown;
-  | ^^^^^^^^^^
+  |  ^^^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/esbuild/misc/XzgibMiqPC2Svd-zi3M4jA/input.css:1:2
+  |
+1 | @u\6eknown;
+  |  ^^^^^^^^^
 
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/YIW6UUMmxrTYJjJ3JSL3uQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/YIW6UUMmxrTYJjJ3JSL3uQ/span.rust-debug
index 396a44f5fdb..2bb346ce617 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/YIW6UUMmxrTYJjJ3JSL3uQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/YIW6UUMmxrTYJjJ3JSL3uQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #112234 }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/YIW6UUMmxrTYJjJ3JSL3uQ/input.css:1:5
+  |
+1 | a { color: #112234 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/YIW6UUMmxrTYJjJ3JSL3uQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Yc70giIIGDIddrjD858dDw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Yc70giIIGDIddrjD858dDw/span.rust-debug
index f3e78dac1a6..a9f5b3b5a97 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Yc70giIIGDIddrjD858dDw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Yc70giIIGDIddrjD858dDw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: '
' }
   |     ^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Yc70giIIGDIddrjD858dDw/input.css:1:5
+  |
+1 | a { value: '
' }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Yc70giIIGDIddrjD858dDw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Ys7z8C2qi5O_HM9ElZQrUQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Ys7z8C2qi5O_HM9ElZQrUQ/span.rust-debug
index f48fc5ae8ec..50cccab5364 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Ys7z8C2qi5O_HM9ElZQrUQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Ys7z8C2qi5O_HM9ElZQrUQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: #\,x }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Ys7z8C2qi5O_HM9ElZQrUQ/input.css:1:5
+  |
+1 | a { value: #\,x }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Ys7z8C2qi5O_HM9ElZQrUQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/Z4J4sVA4UnGhTMiN5tdMMQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/Z4J4sVA4UnGhTMiN5tdMMQ/span.rust-debug
index e49aab7dcc1..19150d659a7 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/Z4J4sVA4UnGhTMiN5tdMMQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/Z4J4sVA4UnGhTMiN5tdMMQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { padding: 0 1 0 1 }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/Z4J4sVA4UnGhTMiN5tdMMQ/input.css:1:5
+  |
+1 | a { padding: 0 1 0 1 }
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/Z4J4sVA4UnGhTMiN5tdMMQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/output.json b/crates/swc_css_parser/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/output.json
index 198e40a5a76..ad519312a69 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/output.json
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 8,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/span.rust-debug
index 3ae0717ed72..6dbbbaa3a1a 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/span.rust-debug
@@ -22,11 +22,17 @@ error: UnknownAtRule
 1 | @unknown{}
   | ^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/input.css:1:2
   |
 1 | @unknown{}
-  | ^^^^^^^^
+  |  ^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/input.css:1:2
+  |
+1 | @unknown{}
+  |  ^^^^^^^
 
 error: SimpleBlock
  --> $DIR/tests/fixture/esbuild/misc/_-29x4xnx6IaJMmYrOsypA/input.css:1:9
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/_5pJ5Q6EBxzG4SOkB9Qoow/output.json b/crates/swc_css_parser/tests/fixture/esbuild/misc/_5pJ5Q6EBxzG4SOkB9Qoow/output.json
index bc308a3fc37..7a02e7717c2 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/_5pJ5Q6EBxzG4SOkB9Qoow/output.json
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/_5pJ5Q6EBxzG4SOkB9Qoow/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 8,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/_5pJ5Q6EBxzG4SOkB9Qoow/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/_5pJ5Q6EBxzG4SOkB9Qoow/span.rust-debug
index 8c858a49783..bd22a5f894c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/_5pJ5Q6EBxzG4SOkB9Qoow/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/_5pJ5Q6EBxzG4SOkB9Qoow/span.rust-debug
@@ -22,9 +22,15 @@ error: UnknownAtRule
 1 | @unknown
   | ^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/esbuild/misc/_5pJ5Q6EBxzG4SOkB9Qoow/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/esbuild/misc/_5pJ5Q6EBxzG4SOkB9Qoow/input.css:1:2
   |
 1 | @unknown
-  | ^^^^^^^^
+  |  ^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/esbuild/misc/_5pJ5Q6EBxzG4SOkB9Qoow/input.css:1:2
+  |
+1 | @unknown
+  |  ^^^^^^^
 
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/_APxY5Pe47Bb71-CwD1nhw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/_APxY5Pe47Bb71-CwD1nhw/span.rust-debug
index 48ae1213262..27348f2952d 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/_APxY5Pe47Bb71-CwD1nhw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/_APxY5Pe47Bb71-CwD1nhw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #AABBCDFF }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/_APxY5Pe47Bb71-CwD1nhw/input.css:1:5
+  |
+1 | a { color: #AABBCDFF }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/_APxY5Pe47Bb71-CwD1nhw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/_PPlU8tyR27_briQT0VeOg/output.json b/crates/swc_css_parser/tests/fixture/esbuild/misc/_PPlU8tyR27_briQT0VeOg/output.json
index 359121eb171..2661df0b154 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/_PPlU8tyR27_briQT0VeOg/output.json
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/_PPlU8tyR27_briQT0VeOg/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 11,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/_PPlU8tyR27_briQT0VeOg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/_PPlU8tyR27_briQT0VeOg/span.rust-debug
index 9b9246965fe..9d8f140c963 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/_PPlU8tyR27_briQT0VeOg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/_PPlU8tyR27_briQT0VeOg/span.rust-debug
@@ -22,9 +22,15 @@ error: UnknownAtRule
 1 | @\2cunknown;
   | ^^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/esbuild/misc/_PPlU8tyR27_briQT0VeOg/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/esbuild/misc/_PPlU8tyR27_briQT0VeOg/input.css:1:2
   |
 1 | @\2cunknown;
-  | ^^^^^^^^^^^
+  |  ^^^^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/esbuild/misc/_PPlU8tyR27_briQT0VeOg/input.css:1:2
+  |
+1 | @\2cunknown;
+  |  ^^^^^^^^^^
 
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/_U4zAUbS93Xo7_tJOolGuA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/_U4zAUbS93Xo7_tJOolGuA/span.rust-debug
index 5dc6bbc461a..04a0baa3aaa 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/_U4zAUbS93Xo7_tJOolGuA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/_U4zAUbS93Xo7_tJOolGuA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #f00 }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/_U4zAUbS93Xo7_tJOolGuA/input.css:1:5
+  |
+1 | a { color: #f00 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/_U4zAUbS93Xo7_tJOolGuA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/a0Yurt7E7InOYieD7nMCXg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/a0Yurt7E7InOYieD7nMCXg/span.rust-debug
index b6398c97168..caa7028adf9 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/a0Yurt7E7InOYieD7nMCXg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/a0Yurt7E7InOYieD7nMCXg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #AABCCCFF }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/a0Yurt7E7InOYieD7nMCXg/input.css:1:5
+  |
+1 | a { color: #AABCCCFF }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/a0Yurt7E7InOYieD7nMCXg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/a7KElWOMF9ilrSsoliHkcg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/a7KElWOMF9ilrSsoliHkcg/span.rust-debug
index 6a513f28c7e..0b3d5e80c1b 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/a7KElWOMF9ilrSsoliHkcg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/a7KElWOMF9ilrSsoliHkcg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #AABBCDDD }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/a7KElWOMF9ilrSsoliHkcg/input.css:1:5
+  |
+1 | a { color: #AABBCDDD }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/a7KElWOMF9ilrSsoliHkcg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/aDkLP2LEPmyD_ImzrGw8SQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/aDkLP2LEPmyD_ImzrGw8SQ/span.rust-debug
index a6d6210a82c..18664ab7622 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/aDkLP2LEPmyD_ImzrGw8SQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/aDkLP2LEPmyD_ImzrGw8SQ/span.rust-debug
@@ -94,6 +94,12 @@ error: Declaration
 1 | @keyframes test { from {} to { color: red } }
   |                                ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/aDkLP2LEPmyD_ImzrGw8SQ/input.css:1:32
+  |
+1 | @keyframes test { from {} to { color: red } }
+  |                                ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/aDkLP2LEPmyD_ImzrGw8SQ/input.css:1:32
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/aVoVLZHijXjMsJvx4rbJGQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/aVoVLZHijXjMsJvx4rbJGQ/span.rust-debug
index e3e8cacd69a..66869bf4c2f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/aVoVLZHijXjMsJvx4rbJGQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/aVoVLZHijXjMsJvx4rbJGQ/span.rust-debug
@@ -34,6 +34,12 @@ error: Declaration
 1 | @viewport { width: 100vw }
   |             ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/aVoVLZHijXjMsJvx4rbJGQ/input.css:1:13
+  |
+1 | @viewport { width: 100vw }
+  |             ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/aVoVLZHijXjMsJvx4rbJGQ/input.css:1:13
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/avMO0PRST3qaooxANKWiIw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/avMO0PRST3qaooxANKWiIw/span.rust-debug
index 2dc71df7e4d..b7a1cd0e14c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/avMO0PRST3qaooxANKWiIw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/avMO0PRST3qaooxANKWiIw/span.rust-debug
@@ -64,6 +64,12 @@ error: Declaration
 1 | .decl { a: b; c: d; }
   |         ^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/avMO0PRST3qaooxANKWiIw/input.css:1:9
+  |
+1 | .decl { a: b; c: d; }
+  |         ^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/avMO0PRST3qaooxANKWiIw/input.css:1:9
   |
@@ -88,6 +94,12 @@ error: Declaration
 1 | .decl { a: b; c: d; }
   |               ^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/avMO0PRST3qaooxANKWiIw/input.css:1:15
+  |
+1 | .decl { a: b; c: d; }
+  |               ^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/avMO0PRST3qaooxANKWiIw/input.css:1:15
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/axTS8OYqxbJ3cRQm9h4ZYA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/axTS8OYqxbJ3cRQm9h4ZYA/span.rust-debug
index 93be4acfa4d..3e5d8e2df12 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/axTS8OYqxbJ3cRQm9h4ZYA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/axTS8OYqxbJ3cRQm9h4ZYA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: '\61 bc' }
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/axTS8OYqxbJ3cRQm9h4ZYA/input.css:1:5
+  |
+1 | a { value: '\61 bc' }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/axTS8OYqxbJ3cRQm9h4ZYA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/b102IE1MrM3aGTKCRrSU6Q/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/b102IE1MrM3aGTKCRrSU6Q/span.rust-debug
index a85e75403ff..a778f2d53fb 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/b102IE1MrM3aGTKCRrSU6Q/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/b102IE1MrM3aGTKCRrSU6Q/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #ff0000ff }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/b102IE1MrM3aGTKCRrSU6Q/input.css:1:5
+  |
+1 | a { color: #ff0000ff }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/b102IE1MrM3aGTKCRrSU6Q/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/b2m1STf0F5CKity6Nd4vmQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/b2m1STf0F5CKity6Nd4vmQ/span.rust-debug
index 8a0b5455eda..5076a259c78 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/b2m1STf0F5CKity6Nd4vmQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/b2m1STf0F5CKity6Nd4vmQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #aabbccff }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/b2m1STf0F5CKity6Nd4vmQ/input.css:1:5
+  |
+1 | a { color: #aabbccff }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/b2m1STf0F5CKity6Nd4vmQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/b6WBp-DsAKNB9xg6pcRTzQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/b6WBp-DsAKNB9xg6pcRTzQ/span.rust-debug
index 3896f3f3a37..4ed1c28add3 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/b6WBp-DsAKNB9xg6pcRTzQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/b6WBp-DsAKNB9xg6pcRTzQ/span.rust-debug
@@ -64,6 +64,12 @@ error: Declaration
 1 | .decl { a: b; }
   |         ^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/b6WBp-DsAKNB9xg6pcRTzQ/input.css:1:9
+  |
+1 | .decl { a: b; }
+  |         ^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/b6WBp-DsAKNB9xg6pcRTzQ/input.css:1:9
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/bMhJJBpJJs8SIl3cQ4UjFw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/bMhJJBpJJs8SIl3cQ4UjFw/span.rust-debug
index bc63da21339..8e07b630b69 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/bMhJJBpJJs8SIl3cQ4UjFw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/bMhJJBpJJs8SIl3cQ4UjFw/span.rust-debug
@@ -40,6 +40,12 @@ error: Declaration
 1 | @page { color: red; @top-left {} }
   |         ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/bMhJJBpJJs8SIl3cQ4UjFw/input.css:1:9
+  |
+1 | @page { color: red; @top-left {} }
+  |         ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/bMhJJBpJJs8SIl3cQ4UjFw/input.css:1:9
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/bO5VdzMYGbUbK2CCYCMKTA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/bO5VdzMYGbUbK2CCYCMKTA/span.rust-debug
index 756caa77e31..0fa91ffb7e6 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/bO5VdzMYGbUbK2CCYCMKTA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/bO5VdzMYGbUbK2CCYCMKTA/span.rust-debug
@@ -64,6 +64,12 @@ error: Declaration
 1 | .decl { a: b }
   |         ^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/bO5VdzMYGbUbK2CCYCMKTA/input.css:1:9
+  |
+1 | .decl { a: b }
+  |         ^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/bO5VdzMYGbUbK2CCYCMKTA/input.css:1:9
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/bdiLSVQWZCfQNNwD_OM6qA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/bdiLSVQWZCfQNNwD_OM6qA/span.rust-debug
index 42c5d16c8e4..4fc604784b7 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/bdiLSVQWZCfQNNwD_OM6qA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/bdiLSVQWZCfQNNwD_OM6qA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: #\68ash }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/bdiLSVQWZCfQNNwD_OM6qA/input.css:1:5
+  |
+1 | a { value: #\68ash }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/bdiLSVQWZCfQNNwD_OM6qA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/biImEvafuG5pEuEW8LgCCw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/biImEvafuG5pEuEW8LgCCw/span.rust-debug
index e91008fef1d..a97fb87dae6 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/biImEvafuG5pEuEW8LgCCw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/biImEvafuG5pEuEW8LgCCw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: f\6e() }
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/biImEvafuG5pEuEW8LgCCw/input.css:1:5
+  |
+1 | a { value: f\6e() }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/biImEvafuG5pEuEW8LgCCw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/cFk0V1dktTRk2wWOux0Y9A/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/cFk0V1dktTRk2wWOux0Y9A/span.rust-debug
index ad875728310..05131a9f34f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/cFk0V1dktTRk2wWOux0Y9A/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/cFk0V1dktTRk2wWOux0Y9A/span.rust-debug
@@ -76,6 +76,12 @@ error: Declaration
 1 | a:after { content: '\1010101' }
   |           ^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/cFk0V1dktTRk2wWOux0Y9A/input.css:1:11
+  |
+1 | a:after { content: '\1010101' }
+  |           ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/cFk0V1dktTRk2wWOux0Y9A/input.css:1:11
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/cGdUJvMcb_06jPxvv8lGkg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/cGdUJvMcb_06jPxvv8lGkg/span.rust-debug
index 925eb625269..d0902712a86 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/cGdUJvMcb_06jPxvv8lGkg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/cGdUJvMcb_06jPxvv8lGkg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: +.0%; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/cGdUJvMcb_06jPxvv8lGkg/input.css:1:5
+  |
+1 | a { width: +.0%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/cGdUJvMcb_06jPxvv8lGkg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/ccwWSeXA2f9cTFtUANZA8Q/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/ccwWSeXA2f9cTFtUANZA8Q/span.rust-debug
index 124694da75e..bb889636ce8 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/ccwWSeXA2f9cTFtUANZA8Q/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/ccwWSeXA2f9cTFtUANZA8Q/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: +0.0%; }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/ccwWSeXA2f9cTFtUANZA8Q/input.css:1:5
+  |
+1 | a { width: +0.0%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/ccwWSeXA2f9cTFtUANZA8Q/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/cfNrGQbCQ18L8pQmD7lBZQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/cfNrGQbCQ18L8pQmD7lBZQ/span.rust-debug
index 6873b5b2cc7..df7dff5a9ce 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/cfNrGQbCQ18L8pQmD7lBZQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/cfNrGQbCQ18L8pQmD7lBZQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: red; color: green; color: red }
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/cfNrGQbCQ18L8pQmD7lBZQ/input.css:1:5
+  |
+1 | a { color: red; color: green; color: red }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/cfNrGQbCQ18L8pQmD7lBZQ/input.css:1:5
   |
@@ -82,6 +88,12 @@ error: Declaration
 1 | a { color: red; color: green; color: red }
   |                 ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/cfNrGQbCQ18L8pQmD7lBZQ/input.css:1:17
+  |
+1 | a { color: red; color: green; color: red }
+  |                 ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/cfNrGQbCQ18L8pQmD7lBZQ/input.css:1:17
   |
@@ -106,6 +118,12 @@ error: Declaration
 1 | a { color: red; color: green; color: red }
   |                               ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/cfNrGQbCQ18L8pQmD7lBZQ/input.css:1:31
+  |
+1 | a { color: red; color: green; color: red }
+  |                               ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/cfNrGQbCQ18L8pQmD7lBZQ/input.css:1:31
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/cxYYDM0_rXbkvaqi8UPWOg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/cxYYDM0_rXbkvaqi8UPWOg/span.rust-debug
index 25bc3bf43a0..5061a003525 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/cxYYDM0_rXbkvaqi8UPWOg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/cxYYDM0_rXbkvaqi8UPWOg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #aabbcddd }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/cxYYDM0_rXbkvaqi8UPWOg/input.css:1:5
+  |
+1 | a { color: #aabbcddd }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/cxYYDM0_rXbkvaqi8UPWOg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/d6iTYxGk5HHi4hIZcn73Bw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/d6iTYxGk5HHi4hIZcn73Bw/span.rust-debug
index 5a675bfab22..e36f9341df0 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/d6iTYxGk5HHi4hIZcn73Bw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/d6iTYxGk5HHi4hIZcn73Bw/span.rust-debug
@@ -76,6 +76,12 @@ error: Declaration
 1 | a:after { content: 'a\
b' }
   |           ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/d6iTYxGk5HHi4hIZcn73Bw/input.css:1:11
+  |
+1 | a:after { content: 'a\
b' }
+  |           ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/d6iTYxGk5HHi4hIZcn73Bw/input.css:1:11
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/d8Q6MceynW9-IQJ4l0OGzA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/d8Q6MceynW9-IQJ4l0OGzA/span.rust-debug
index 4950b76b0b6..697bebe12bd 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/d8Q6MceynW9-IQJ4l0OGzA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/d8Q6MceynW9-IQJ4l0OGzA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: @x\, }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/d8Q6MceynW9-IQJ4l0OGzA/input.css:1:5
+  |
+1 | a { value: @x\, }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/d8Q6MceynW9-IQJ4l0OGzA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/dCIAD8Ab98J4V9rGaJvZlw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/dCIAD8Ab98J4V9rGaJvZlw/span.rust-debug
index 0c9f4cd3e78..aeed5c9775a 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/dCIAD8Ab98J4V9rGaJvZlw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/dCIAD8Ab98J4V9rGaJvZlw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: url(\,) }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/dCIAD8Ab98J4V9rGaJvZlw/input.css:1:5
+  |
+1 | a { value: url(\,) }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/dCIAD8Ab98J4V9rGaJvZlw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/dVUzkh7NtbXySLzWGW0t9g/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/dVUzkh7NtbXySLzWGW0t9g/span.rust-debug
index adc9da007ad..1209694d773 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/dVUzkh7NtbXySLzWGW0t9g/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/dVUzkh7NtbXySLzWGW0t9g/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: red } a { color: green } a { color: red }
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/dVUzkh7NtbXySLzWGW0t9g/input.css:1:5
+  |
+1 | a { color: red } a { color: green } a { color: red }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/dVUzkh7NtbXySLzWGW0t9g/input.css:1:5
   |
@@ -130,6 +136,12 @@ error: Declaration
 1 | a { color: red } a { color: green } a { color: red }
   |                      ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/dVUzkh7NtbXySLzWGW0t9g/input.css:1:22
+  |
+1 | a { color: red } a { color: green } a { color: red }
+  |                      ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/dVUzkh7NtbXySLzWGW0t9g/input.css:1:22
   |
@@ -202,6 +214,12 @@ error: Declaration
 1 | a { color: red } a { color: green } a { color: red }
   |                                         ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/dVUzkh7NtbXySLzWGW0t9g/input.css:1:41
+  |
+1 | a { color: red } a { color: green } a { color: red }
+  |                                         ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/dVUzkh7NtbXySLzWGW0t9g/input.css:1:41
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/eHdhrm6W2iHKQegxH7uEgw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/eHdhrm6W2iHKQegxH7uEgw/span.rust-debug
index 66b91f6b8fd..bce5ddc3fe0 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/eHdhrm6W2iHKQegxH7uEgw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/eHdhrm6W2iHKQegxH7uEgw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: .00%; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/eHdhrm6W2iHKQegxH7uEgw/input.css:1:5
+  |
+1 | a { width: .00%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/eHdhrm6W2iHKQegxH7uEgw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/eP2iXsnOY42u7Q_IcchPZA/output.json b/crates/swc_css_parser/tests/fixture/esbuild/misc/eP2iXsnOY42u7Q_IcchPZA/output.json
index 793eb5a284d..a5c86ccad6c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/eP2iXsnOY42u7Q_IcchPZA/output.json
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/eP2iXsnOY42u7Q_IcchPZA/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 10,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/eP2iXsnOY42u7Q_IcchPZA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/eP2iXsnOY42u7Q_IcchPZA/span.rust-debug
index 578203bb94d..a2f5d20f822 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/eP2iXsnOY42u7Q_IcchPZA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/eP2iXsnOY42u7Q_IcchPZA/span.rust-debug
@@ -22,9 +22,15 @@ error: UnknownAtRule
 1 | @\,unknown;
   | ^^^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/esbuild/misc/eP2iXsnOY42u7Q_IcchPZA/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/esbuild/misc/eP2iXsnOY42u7Q_IcchPZA/input.css:1:2
   |
 1 | @\,unknown;
-  | ^^^^^^^^^^
+  |  ^^^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/esbuild/misc/eP2iXsnOY42u7Q_IcchPZA/input.css:1:2
+  |
+1 | @\,unknown;
+  |  ^^^^^^^^^
 
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/eVSpM_pYsIvyyewUkjTa2A/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/eVSpM_pYsIvyyewUkjTa2A/span.rust-debug
index 9582687e68e..810088f979f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/eVSpM_pYsIvyyewUkjTa2A/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/eVSpM_pYsIvyyewUkjTa2A/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #12223344 }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/eVSpM_pYsIvyyewUkjTa2A/input.css:1:5
+  |
+1 | a { color: #12223344 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/eVSpM_pYsIvyyewUkjTa2A/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/eWp7_8m3btY6p4erQ5c2JQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/eWp7_8m3btY6p4erQ5c2JQ/span.rust-debug
index 5973f206fc6..e345ad26124 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/eWp7_8m3btY6p4erQ5c2JQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/eWp7_8m3btY6p4erQ5c2JQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: '\61bc' }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/eWp7_8m3btY6p4erQ5c2JQ/input.css:1:5
+  |
+1 | a { value: '\61bc' }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/eWp7_8m3btY6p4erQ5c2JQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/egyt9Hk9xnn2Xfbi3Ckfrg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/egyt9Hk9xnn2Xfbi3Ckfrg/span.rust-debug
index d0393d08c58..47760adc47e 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/egyt9Hk9xnn2Xfbi3Ckfrg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/egyt9Hk9xnn2Xfbi3Ckfrg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: +.0; }
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/egyt9Hk9xnn2Xfbi3Ckfrg/input.css:1:5
+  |
+1 | a { width: +.0; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/egyt9Hk9xnn2Xfbi3Ckfrg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/eivsIn6ub-xYiqErLqd8oA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/eivsIn6ub-xYiqErLqd8oA/span.rust-debug
index 7dc30ba7f5c..69e576ca78f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/eivsIn6ub-xYiqErLqd8oA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/eivsIn6ub-xYiqErLqd8oA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: #\2cx }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/eivsIn6ub-xYiqErLqd8oA/input.css:1:5
+  |
+1 | a { value: #\2cx }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/eivsIn6ub-xYiqErLqd8oA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/fTZzFds73kLZoyY9Y2gZdQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/fTZzFds73kLZoyY9Y2gZdQ/span.rust-debug
index 165e6d08aae..7b2acd4860f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/fTZzFds73kLZoyY9Y2gZdQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/fTZzFds73kLZoyY9Y2gZdQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #11223345 }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/fTZzFds73kLZoyY9Y2gZdQ/input.css:1:5
+  |
+1 | a { color: #11223345 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/fTZzFds73kLZoyY9Y2gZdQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/fmt94qCRfRXbpej5kzLZUw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/fmt94qCRfRXbpej5kzLZUw/span.rust-debug
index 92dbb5efbf8..69871a809bc 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/fmt94qCRfRXbpej5kzLZUw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/fmt94qCRfRXbpej5kzLZUw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: url(\2c) }
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/fmt94qCRfRXbpej5kzLZUw/input.css:1:5
+  |
+1 | a { value: url(\2c) }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/fmt94qCRfRXbpej5kzLZUw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/ftc5-zf_sliOrFRRBGGS-g/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/ftc5-zf_sliOrFRRBGGS-g/span.rust-debug
index c6c38ab13f6..d50ada21155 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/ftc5-zf_sliOrFRRBGGS-g/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/ftc5-zf_sliOrFRRBGGS-g/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #122233ff }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/ftc5-zf_sliOrFRRBGGS-g/input.css:1:5
+  |
+1 | a { color: #122233ff }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/ftc5-zf_sliOrFRRBGGS-g/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/gPpnAqOuxEdLAEJjFaUEkg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/gPpnAqOuxEdLAEJjFaUEkg/span.rust-debug
index e78d98f467c..7d8d7bec397 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/gPpnAqOuxEdLAEJjFaUEkg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/gPpnAqOuxEdLAEJjFaUEkg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: url(\61 bc) }
   |     ^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/gPpnAqOuxEdLAEJjFaUEkg/input.css:1:5
+  |
+1 | a { value: url(\61 bc) }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/gPpnAqOuxEdLAEJjFaUEkg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/gVzUgfEllenh46I3Psx-uQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/gVzUgfEllenh46I3Psx-uQ/span.rust-debug
index eafd6caafb6..a8fa214c832 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/gVzUgfEllenh46I3Psx-uQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/gVzUgfEllenh46I3Psx-uQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { margin: 0 1 0px 1px }
   |     ^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/gVzUgfEllenh46I3Psx-uQ/input.css:1:5
+  |
+1 | a { margin: 0 1 0px 1px }
+  |     ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/gVzUgfEllenh46I3Psx-uQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/gxBoWO36fKxIuYwPzrWyKQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/gxBoWO36fKxIuYwPzrWyKQ/span.rust-debug
index e4221d4e8bb..2112e444470 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/gxBoWO36fKxIuYwPzrWyKQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/gxBoWO36fKxIuYwPzrWyKQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: #x\2c }
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/gxBoWO36fKxIuYwPzrWyKQ/input.css:1:5
+  |
+1 | a { value: #x\2c }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/gxBoWO36fKxIuYwPzrWyKQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/inMW5rttJFPDfH0aKVFg_Q/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/inMW5rttJFPDfH0aKVFg_Q/span.rust-debug
index 32453c16529..8e4b3f7748f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/inMW5rttJFPDfH0aKVFg_Q/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/inMW5rttJFPDfH0aKVFg_Q/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #11233344 }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/inMW5rttJFPDfH0aKVFg_Q/input.css:1:5
+  |
+1 | a { color: #11233344 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/inMW5rttJFPDfH0aKVFg_Q/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/isfWm5W8qb6_aJSz_bdwDw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/isfWm5W8qb6_aJSz_bdwDw/span.rust-debug
index 19f9c8f127f..378c5c0485a 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/isfWm5W8qb6_aJSz_bdwDw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/isfWm5W8qb6_aJSz_bdwDw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #112233 }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/isfWm5W8qb6_aJSz_bdwDw/input.css:1:5
+  |
+1 | a { color: #112233 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/isfWm5W8qb6_aJSz_bdwDw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/j9dr5-Ih68VDH1exMwsmZA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/j9dr5-Ih68VDH1exMwsmZA/span.rust-debug
index e631752644e..f4bc3123b41 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/j9dr5-Ih68VDH1exMwsmZA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/j9dr5-Ih68VDH1exMwsmZA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #aabcccff }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/j9dr5-Ih68VDH1exMwsmZA/input.css:1:5
+  |
+1 | a { color: #aabcccff }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/j9dr5-Ih68VDH1exMwsmZA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/jD_IvFQVk8LtCrictrWpxw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/jD_IvFQVk8LtCrictrWpxw/span.rust-debug
index fdebb051ffc..a0e08e50783 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/jD_IvFQVk8LtCrictrWpxw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/jD_IvFQVk8LtCrictrWpxw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: 0.1; }
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/jD_IvFQVk8LtCrictrWpxw/input.css:1:5
+  |
+1 | a { width: 0.1; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/jD_IvFQVk8LtCrictrWpxw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/jbIIxHeXTPO0PtiubVziHQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/jbIIxHeXTPO0PtiubVziHQ/span.rust-debug
index 2b5c94cb9cf..17a677b0c64 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/jbIIxHeXTPO0PtiubVziHQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/jbIIxHeXTPO0PtiubVziHQ/span.rust-debug
@@ -64,6 +64,12 @@ error: Declaration
 1 | @keyframes name { from { color: red } to { color: blue } }
   |                          ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/jbIIxHeXTPO0PtiubVziHQ/input.css:1:26
+  |
+1 | @keyframes name { from { color: red } to { color: blue } }
+  |                          ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/jbIIxHeXTPO0PtiubVziHQ/input.css:1:26
   |
@@ -118,6 +124,12 @@ error: Declaration
 1 | @keyframes name { from { color: red } to { color: blue } }
   |                                            ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/jbIIxHeXTPO0PtiubVziHQ/input.css:1:44
+  |
+1 | @keyframes name { from { color: red } to { color: blue } }
+  |                                            ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/jbIIxHeXTPO0PtiubVziHQ/input.css:1:44
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/kVdd5WJZqKSou4cGvcL40g/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/kVdd5WJZqKSou4cGvcL40g/span.rust-debug
index 185d9b2aaf2..b526acc8d3e 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/kVdd5WJZqKSou4cGvcL40g/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/kVdd5WJZqKSou4cGvcL40g/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: \69dent }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/kVdd5WJZqKSou4cGvcL40g/input.css:1:5
+  |
+1 | a { value: \69dent }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/kVdd5WJZqKSou4cGvcL40g/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/mJEhy0k_dxoszsTVHb3x_Q/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/mJEhy0k_dxoszsTVHb3x_Q/span.rust-debug
index 3875696a32d..e48d348ca59 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/mJEhy0k_dxoszsTVHb3x_Q/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/mJEhy0k_dxoszsTVHb3x_Q/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #112233ef }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/mJEhy0k_dxoszsTVHb3x_Q/input.css:1:5
+  |
+1 | a { color: #112233ef }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/mJEhy0k_dxoszsTVHb3x_Q/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/mn3ADjaNJuY6IF0Nqms-VQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/mn3ADjaNJuY6IF0Nqms-VQ/span.rust-debug
index 7c22d4c05a9..caf066214b4 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/mn3ADjaNJuY6IF0Nqms-VQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/mn3ADjaNJuY6IF0Nqms-VQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: @\2cx }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/mn3ADjaNJuY6IF0Nqms-VQ/input.css:1:5
+  |
+1 | a { value: @\2cx }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/mn3ADjaNJuY6IF0Nqms-VQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/mx296i8q4HfA0IzZ055Xpw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/mx296i8q4HfA0IzZ055Xpw/span.rust-debug
index ceb092016c9..cc45c89e42d 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/mx296i8q4HfA0IzZ055Xpw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/mx296i8q4HfA0IzZ055Xpw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: url(\61bc) }
   |     ^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/mx296i8q4HfA0IzZ055Xpw/input.css:1:5
+  |
+1 | a { value: url(\61bc) }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/mx296i8q4HfA0IzZ055Xpw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/nTOoTMumkTvMLx_Y_al5RQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/nTOoTMumkTvMLx_Y_al5RQ/span.rust-debug
index 5a5cd71381e..f77701b3494 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/nTOoTMumkTvMLx_Y_al5RQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/nTOoTMumkTvMLx_Y_al5RQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: '\,' }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/nTOoTMumkTvMLx_Y_al5RQ/input.css:1:5
+  |
+1 | a { value: '\,' }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/nTOoTMumkTvMLx_Y_al5RQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/niufyVEBI4s-ZqSXdfhptA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/niufyVEBI4s-ZqSXdfhptA/span.rust-debug
index dbc6fd30fbf..0f77680c8e1 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/niufyVEBI4s-ZqSXdfhptA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/niufyVEBI4s-ZqSXdfhptA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #abcd }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/niufyVEBI4s-ZqSXdfhptA/input.css:1:5
+  |
+1 | a { color: #abcd }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/niufyVEBI4s-ZqSXdfhptA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/nlYSjWzJfpf38YhsJNbwmA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/nlYSjWzJfpf38YhsJNbwmA/span.rust-debug
index aa12a2410e3..133fc22a456 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/nlYSjWzJfpf38YhsJNbwmA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/nlYSjWzJfpf38YhsJNbwmA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #f00f }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/nlYSjWzJfpf38YhsJNbwmA/input.css:1:5
+  |
+1 | a { color: #f00f }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/nlYSjWzJfpf38YhsJNbwmA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/oj5Yn0RxnGFEbVphKqrL2Q/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/oj5Yn0RxnGFEbVphKqrL2Q/span.rust-debug
index 814adecd6db..acb20ad6f53 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/oj5Yn0RxnGFEbVphKqrL2Q/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/oj5Yn0RxnGFEbVphKqrL2Q/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #aabcccdd }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/oj5Yn0RxnGFEbVphKqrL2Q/input.css:1:5
+  |
+1 | a { color: #aabcccdd }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/oj5Yn0RxnGFEbVphKqrL2Q/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/ottVCVON2IlQB3WCD-lu_A/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/ottVCVON2IlQB3WCD-lu_A/span.rust-debug
index 98fabbd63bf807d02726be76f64edd8532b600ca..7534208432e4e60fcd9db1b881c8451aae43232f 100644
GIT binary patch
delta 32
ocmZ3&yOD2$8tde_EZiIcMfnA(MJ1IJ1wAL1uo`YwW36KZ0JK{QeE<Le

delta 12
TcmdnUw}f|t8tdlGtaXe49nJ(c

diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/pO8ANIJaeZDUsUBCBMKErg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/pO8ANIJaeZDUsUBCBMKErg/span.rust-debug
index 4e1e812679a..b71a2d69c7d 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/pO8ANIJaeZDUsUBCBMKErg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/pO8ANIJaeZDUsUBCBMKErg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: -0.0%; }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/pO8ANIJaeZDUsUBCBMKErg/input.css:1:5
+  |
+1 | a { width: -0.0%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/pO8ANIJaeZDUsUBCBMKErg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/pQWwEpWgxuUS6-uSAJR0nQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/pQWwEpWgxuUS6-uSAJR0nQ/span.rust-debug
index 56a54740c18..9a7d8176713 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/pQWwEpWgxuUS6-uSAJR0nQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/pQWwEpWgxuUS6-uSAJR0nQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: +.00; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/pQWwEpWgxuUS6-uSAJR0nQ/input.css:1:5
+  |
+1 | a { width: +.00; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/pQWwEpWgxuUS6-uSAJR0nQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/pTW2Z7kJ0nR_yQzsOsjAwQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/pTW2Z7kJ0nR_yQzsOsjAwQ/span.rust-debug
index 131331e09c4..8a31be3c87c 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/pTW2Z7kJ0nR_yQzsOsjAwQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/pTW2Z7kJ0nR_yQzsOsjAwQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #aabbcdff }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/pTW2Z7kJ0nR_yQzsOsjAwQ/input.css:1:5
+  |
+1 | a { color: #aabbcdff }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/pTW2Z7kJ0nR_yQzsOsjAwQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/ptR_ezJzwIRsP3geOEZI5A/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/ptR_ezJzwIRsP3geOEZI5A/span.rust-debug
index 51c7c27150a..4b7ecd1e814 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/ptR_ezJzwIRsP3geOEZI5A/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/ptR_ezJzwIRsP3geOEZI5A/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: -.0%; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/ptR_ezJzwIRsP3geOEZI5A/input.css:1:5
+  |
+1 | a { width: -.0%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/ptR_ezJzwIRsP3geOEZI5A/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/qgkE_nOj4HtPukMzEjCY5w/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/qgkE_nOj4HtPukMzEjCY5w/span.rust-debug
index 8344d97ec96..b0352906b9f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/qgkE_nOj4HtPukMzEjCY5w/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/qgkE_nOj4HtPukMzEjCY5w/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: '\2c' }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/qgkE_nOj4HtPukMzEjCY5w/input.css:1:5
+  |
+1 | a { value: '\2c' }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/qgkE_nOj4HtPukMzEjCY5w/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/qmXSF9N8euK5gfPoFGmV_Q/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/qmXSF9N8euK5gfPoFGmV_Q/span.rust-debug
index 06cd1c3c99f..76dd1c8751f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/qmXSF9N8euK5gfPoFGmV_Q/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/qmXSF9N8euK5gfPoFGmV_Q/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #AABBCC }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/qmXSF9N8euK5gfPoFGmV_Q/input.css:1:5
+  |
+1 | a { color: #AABBCC }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/qmXSF9N8euK5gfPoFGmV_Q/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/rAzJtA56igpCO-gN3gRrYw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/rAzJtA56igpCO-gN3gRrYw/span.rust-debug
index e93259b3ae1..0429ed0cbd4 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/rAzJtA56igpCO-gN3gRrYw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/rAzJtA56igpCO-gN3gRrYw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: 'a\62c' }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/rAzJtA56igpCO-gN3gRrYw/input.css:1:5
+  |
+1 | a { value: 'a\62c' }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/rAzJtA56igpCO-gN3gRrYw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/rPWYt0NoxD_TvsI8Xrhvyg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/rPWYt0NoxD_TvsI8Xrhvyg/span.rust-debug
index 195341216d0..30d4e88b58b 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/rPWYt0NoxD_TvsI8Xrhvyg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/rPWYt0NoxD_TvsI8Xrhvyg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: .10%; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/rPWYt0NoxD_TvsI8Xrhvyg/input.css:1:5
+  |
+1 | a { width: .10%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/rPWYt0NoxD_TvsI8Xrhvyg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/rZIFO-RMBeLmmQK8U6nNmQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/rZIFO-RMBeLmmQK8U6nNmQ/span.rust-debug
index 7a9659510c8..bad2dd6d7e4 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/rZIFO-RMBeLmmQK8U6nNmQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/rZIFO-RMBeLmmQK8U6nNmQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #11223444 }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/rZIFO-RMBeLmmQK8U6nNmQ/input.css:1:5
+  |
+1 | a { color: #11223444 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/rZIFO-RMBeLmmQK8U6nNmQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/sPEO1vW1kIUNhCVdR2d7fg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/sPEO1vW1kIUNhCVdR2d7fg/span.rust-debug
index 5fcbe182e5f..7a19207c439 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/sPEO1vW1kIUNhCVdR2d7fg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/sPEO1vW1kIUNhCVdR2d7fg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: 10x\, }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/sPEO1vW1kIUNhCVdR2d7fg/input.css:1:5
+  |
+1 | a { value: 10x\, }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/sPEO1vW1kIUNhCVdR2d7fg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/t7nlfNtXN3n8Gh7wpJvmug/output.json b/crates/swc_css_parser/tests/fixture/esbuild/misc/t7nlfNtXN3n8Gh7wpJvmug/output.json
index c00b88d5e2c..3deb12cc295 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/t7nlfNtXN3n8Gh7wpJvmug/output.json
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/t7nlfNtXN3n8Gh7wpJvmug/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 8,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/t7nlfNtXN3n8Gh7wpJvmug/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/t7nlfNtXN3n8Gh7wpJvmug/span.rust-debug
index f4a43c71df0..23a774b57b1 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/t7nlfNtXN3n8Gh7wpJvmug/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/t7nlfNtXN3n8Gh7wpJvmug/span.rust-debug
@@ -22,9 +22,15 @@ error: UnknownAtRule
 1 | @unknown;
   | ^^^^^^^^^
 
-error: Ident
- --> $DIR/tests/fixture/esbuild/misc/t7nlfNtXN3n8Gh7wpJvmug/input.css:1:1
+error: AtRuleName
+ --> $DIR/tests/fixture/esbuild/misc/t7nlfNtXN3n8Gh7wpJvmug/input.css:1:2
   |
 1 | @unknown;
-  | ^^^^^^^^
+  |  ^^^^^^^
+
+error: Ident
+ --> $DIR/tests/fixture/esbuild/misc/t7nlfNtXN3n8Gh7wpJvmug/input.css:1:2
+  |
+1 | @unknown;
+  |  ^^^^^^^
 
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/tJNGkqEMVKFfOWjyOm5TSg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/tJNGkqEMVKFfOWjyOm5TSg/span.rust-debug
index 6d361b380b0..9d4ddd1ddf2 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/tJNGkqEMVKFfOWjyOm5TSg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/tJNGkqEMVKFfOWjyOm5TSg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: -0.1; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/tJNGkqEMVKFfOWjyOm5TSg/input.css:1:5
+  |
+1 | a { width: -0.1; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/tJNGkqEMVKFfOWjyOm5TSg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/uWMeE1AAowARdci8tkE-cg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/uWMeE1AAowARdci8tkE-cg/span.rust-debug
index 2381ee7a24c..a7f63a5468f 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/uWMeE1AAowARdci8tkE-cg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/uWMeE1AAowARdci8tkE-cg/span.rust-debug
@@ -88,6 +88,12 @@ error: Declaration
 1 | @keyframes name{0%,50%{color:red}25%,75%{color:blue}}
   |                        ^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/uWMeE1AAowARdci8tkE-cg/input.css:1:24
+  |
+1 | @keyframes name{0%,50%{color:red}25%,75%{color:blue}}
+  |                        ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/uWMeE1AAowARdci8tkE-cg/input.css:1:24
   |
@@ -166,6 +172,12 @@ error: Declaration
 1 | @keyframes name{0%,50%{color:red}25%,75%{color:blue}}
   |                                          ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/uWMeE1AAowARdci8tkE-cg/input.css:1:42
+  |
+1 | @keyframes name{0%,50%{color:red}25%,75%{color:blue}}
+  |                                          ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/uWMeE1AAowARdci8tkE-cg/input.css:1:42
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/ugX8SLCLRvWN-wDCK7ouyA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/ugX8SLCLRvWN-wDCK7ouyA/span.rust-debug
index 10348a57af8..e26f0ad94b5 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/ugX8SLCLRvWN-wDCK7ouyA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/ugX8SLCLRvWN-wDCK7ouyA/span.rust-debug
@@ -34,6 +34,12 @@ error: Declaration
 1 | @-ms-viewport { width: 100vw }
   |                 ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/ugX8SLCLRvWN-wDCK7ouyA/input.css:1:17
+  |
+1 | @-ms-viewport { width: 100vw }
+  |                 ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/ugX8SLCLRvWN-wDCK7ouyA/input.css:1:17
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/uxHrqNkMo_2PTuF8sIRQxA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/uxHrqNkMo_2PTuF8sIRQxA/span.rust-debug
index 76d296c5413..19795b13e99 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/uxHrqNkMo_2PTuF8sIRQxA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/uxHrqNkMo_2PTuF8sIRQxA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: 10\,x }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/uxHrqNkMo_2PTuF8sIRQxA/input.css:1:5
+  |
+1 | a { value: 10\,x }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/uxHrqNkMo_2PTuF8sIRQxA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/vCiwe_ipn8ReAa4wyU52Ng/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/vCiwe_ipn8ReAa4wyU52Ng/span.rust-debug
index c25959fcda9..9500f48569b 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/vCiwe_ipn8ReAa4wyU52Ng/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/vCiwe_ipn8ReAa4wyU52Ng/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: tUrQuOiSe }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/vCiwe_ipn8ReAa4wyU52Ng/input.css:1:5
+  |
+1 | a { color: tUrQuOiSe }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/vCiwe_ipn8ReAa4wyU52Ng/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/vFNgwFW2EHA0WTOoSWhSTg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/vFNgwFW2EHA0WTOoSWhSTg/span.rust-debug
index 8951b7b87eb..360f9f4e59a 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/vFNgwFW2EHA0WTOoSWhSTg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/vFNgwFW2EHA0WTOoSWhSTg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: +.10%; }
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/vFNgwFW2EHA0WTOoSWhSTg/input.css:1:5
+  |
+1 | a { width: +.10%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/vFNgwFW2EHA0WTOoSWhSTg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/vIco-E1oKlSzuggLOcviNg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/vIco-E1oKlSzuggLOcviNg/span.rust-debug
index ab65701b1d8..13fce7913a4 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/vIco-E1oKlSzuggLOcviNg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/vIco-E1oKlSzuggLOcviNg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: 0.0%; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/vIco-E1oKlSzuggLOcviNg/input.css:1:5
+  |
+1 | a { width: 0.0%; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/vIco-E1oKlSzuggLOcviNg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/vK9rUBJhwa0FsjBe18lL0w/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/vK9rUBJhwa0FsjBe18lL0w/span.rust-debug
index 4fd9d7d2a7f..bd4d143766d 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/vK9rUBJhwa0FsjBe18lL0w/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/vK9rUBJhwa0FsjBe18lL0w/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: @k\65yword }
   |     ^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/vK9rUBJhwa0FsjBe18lL0w/input.css:1:5
+  |
+1 | a { value: @k\65yword }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/vK9rUBJhwa0FsjBe18lL0w/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/vN7xRB9YekSqanW68eIoNA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/vN7xRB9YekSqanW68eIoNA/span.rust-debug
index 77c7b4e1f31..9a0d0bc9c11 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/vN7xRB9YekSqanW68eIoNA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/vN7xRB9YekSqanW68eIoNA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #112233ff }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/vN7xRB9YekSqanW68eIoNA/input.css:1:5
+  |
+1 | a { color: #112233ff }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/vN7xRB9YekSqanW68eIoNA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/wEB80kxMinK4EZaPb3My1A/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/wEB80kxMinK4EZaPb3My1A/span.rust-debug
index 8f762d41834..59f2c1312a2 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/wEB80kxMinK4EZaPb3My1A/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/wEB80kxMinK4EZaPb3My1A/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: .00; }
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/wEB80kxMinK4EZaPb3My1A/input.css:1:5
+  |
+1 | a { width: .00; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/wEB80kxMinK4EZaPb3My1A/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/wwLEw52LUKMFH3Wp5CaBAQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/wwLEw52LUKMFH3Wp5CaBAQ/span.rust-debug
index 3ecfb4f6d4d..3706333c210 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/wwLEw52LUKMFH3Wp5CaBAQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/wwLEw52LUKMFH3Wp5CaBAQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: -0.0; }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/wwLEw52LUKMFH3Wp5CaBAQ/input.css:1:5
+  |
+1 | a { width: -0.0; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/wwLEw52LUKMFH3Wp5CaBAQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/xVWGh0UpWtRUrgqbJEENWA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/xVWGh0UpWtRUrgqbJEENWA/span.rust-debug
index 0b8288dee8c..c451245b698 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/xVWGh0UpWtRUrgqbJEENWA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/xVWGh0UpWtRUrgqbJEENWA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: @x\2c }
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/xVWGh0UpWtRUrgqbJEENWA/input.css:1:5
+  |
+1 | a { value: @x\2c }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/xVWGh0UpWtRUrgqbJEENWA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/xVqT8wNU4CEhaDlbLxGyaw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/xVqT8wNU4CEhaDlbLxGyaw/span.rust-debug
index c662e100832..33dfea47ad8 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/xVqT8wNU4CEhaDlbLxGyaw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/xVqT8wNU4CEhaDlbLxGyaw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: @\,x }
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/xVqT8wNU4CEhaDlbLxGyaw/input.css:1:5
+  |
+1 | a { value: @\,x }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/xVqT8wNU4CEhaDlbLxGyaw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/xc1mD3YfHByTKL-N-FL49A/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/xc1mD3YfHByTKL-N-FL49A/span.rust-debug
index 81772e34c9f..c1c3a929539 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/xc1mD3YfHByTKL-N-FL49A/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/xc1mD3YfHByTKL-N-FL49A/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #ABBBCCFF }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/xc1mD3YfHByTKL-N-FL49A/input.css:1:5
+  |
+1 | a { color: #ABBBCCFF }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/xc1mD3YfHByTKL-N-FL49A/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/xdJ7w6fdV3po3r2aWrgPdA/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/xdJ7w6fdV3po3r2aWrgPdA/span.rust-debug
index 8ff5007b348..b7c7333b4b2 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/xdJ7w6fdV3po3r2aWrgPdA/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/xdJ7w6fdV3po3r2aWrgPdA/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #abbbcc }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/xdJ7w6fdV3po3r2aWrgPdA/input.css:1:5
+  |
+1 | a { color: #abbbcc }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/xdJ7w6fdV3po3r2aWrgPdA/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/yOHW3TOE35U7DAf9Hn7-Ew/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/yOHW3TOE35U7DAf9Hn7-Ew/span.rust-debug
index 9e5d899a9dd..bea843fc1f4 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/yOHW3TOE35U7DAf9Hn7-Ew/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/yOHW3TOE35U7DAf9Hn7-Ew/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: \2cx() }
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/yOHW3TOE35U7DAf9Hn7-Ew/input.css:1:5
+  |
+1 | a { value: \2cx() }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/yOHW3TOE35U7DAf9Hn7-Ew/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/yVqdwpiB7OK23Te5mXKdFw/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/yVqdwpiB7OK23Te5mXKdFw/span.rust-debug
index 8059ab4962d..74ecfc70ab4 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/yVqdwpiB7OK23Te5mXKdFw/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/yVqdwpiB7OK23Te5mXKdFw/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { width: .0; }
   |     ^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/yVqdwpiB7OK23Te5mXKdFw/input.css:1:5
+  |
+1 | a { width: .0; }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/yVqdwpiB7OK23Te5mXKdFw/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/yboE7Tr5zjKHy9-m10AZTg/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/yboE7Tr5zjKHy9-m10AZTg/span.rust-debug
index 879f2b16656..853820a84bd 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/yboE7Tr5zjKHy9-m10AZTg/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/yboE7Tr5zjKHy9-m10AZTg/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #11223344 }
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/yboE7Tr5zjKHy9-m10AZTg/input.css:1:5
+  |
+1 | a { color: #11223344 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/yboE7Tr5zjKHy9-m10AZTg/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/zUuWz4A8Y6yZO8JMLAe2fQ/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/zUuWz4A8Y6yZO8JMLAe2fQ/span.rust-debug
index bd491e47f26..b4bae713644 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/zUuWz4A8Y6yZO8JMLAe2fQ/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/zUuWz4A8Y6yZO8JMLAe2fQ/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { color: #ff0000 }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/zUuWz4A8Y6yZO8JMLAe2fQ/input.css:1:5
+  |
+1 | a { color: #ff0000 }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/zUuWz4A8Y6yZO8JMLAe2fQ/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/esbuild/misc/zz_B6vK87VUHpkOMFR_R1g/span.rust-debug b/crates/swc_css_parser/tests/fixture/esbuild/misc/zz_B6vK87VUHpkOMFR_R1g/span.rust-debug
index 9182b644c23..ba2fafba7e6 100644
--- a/crates/swc_css_parser/tests/fixture/esbuild/misc/zz_B6vK87VUHpkOMFR_R1g/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/esbuild/misc/zz_B6vK87VUHpkOMFR_R1g/span.rust-debug
@@ -58,6 +58,12 @@ error: Declaration
 1 | a { value: 10e\32x }
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/esbuild/misc/zz_B6vK87VUHpkOMFR_R1g/input.css:1:5
+  |
+1 | a { value: 10e\32x }
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/esbuild/misc/zz_B6vK87VUHpkOMFR_R1g/input.css:1:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/function/url/span.rust-debug b/crates/swc_css_parser/tests/fixture/function/url/span.rust-debug
index 4fd3a19377a..3128d09b9f4 100644
--- a/crates/swc_css_parser/tests/fixture/function/url/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/function/url/span.rust-debug
@@ -83,6 +83,12 @@ error: Declaration
 2 |     background-image: url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/function/url/input.css:2:5
+  |
+2 |     background-image: url(data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7);
+  |     ^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/function/url/input.css:2:5
   |
@@ -125,6 +131,12 @@ error: Declaration
 3 |     background-image: url("./image (1).jpg");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/function/url/input.css:3:5
+  |
+3 |     background-image: url("./image (1).jpg");
+  |     ^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/function/url/input.css:3:5
   |
@@ -167,6 +179,12 @@ error: Declaration
 4 |     background-image: url('./image (1).jpg');
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/function/url/input.css:4:5
+  |
+4 |     background-image: url('./image (1).jpg');
+  |     ^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/function/url/input.css:4:5
   |
@@ -209,6 +227,12 @@ error: Declaration
 5 |     background-image: URL('./image (1).jpg');
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/function/url/input.css:5:5
+  |
+5 |     background-image: URL('./image (1).jpg');
+  |     ^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/function/url/input.css:5:5
   |
@@ -251,6 +275,12 @@ error: Declaration
 6 |     background-image: url(   './image (1).jpg');
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/function/url/input.css:6:5
+  |
+6 |     background-image: url(   './image (1).jpg');
+  |     ^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/function/url/input.css:6:5
   |
@@ -293,6 +323,12 @@ error: Declaration
 7 |     background-image: url('./image (1).jpg'   );
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/function/url/input.css:7:5
+  |
+7 |     background-image: url('./image (1).jpg'   );
+  |     ^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/function/url/input.css:7:5
   |
@@ -335,6 +371,12 @@ error: Declaration
 8 |     background-image: url(   './image (1).jpg'   );
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/function/url/input.css:8:5
+  |
+8 |     background-image: url(   './image (1).jpg'   );
+  |     ^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/function/url/input.css:8:5
   |
@@ -379,6 +421,12 @@ error: Declaration
 11 | |     );
    | |_____^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/function/url/input.css:9:5
+  |
+9 |     background-image: url(   
+  |     ^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/function/url/input.css:9:5
   |
@@ -427,6 +475,12 @@ error: Declaration
 12 |     background-image: url();
    |     ^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:12:5
+   |
+12 |     background-image: url();
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:12:5
    |
@@ -469,6 +523,12 @@ error: Declaration
 13 |     background-image: url(   );
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:13:5
+   |
+13 |     background-image: url(   );
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:13:5
    |
@@ -511,6 +571,12 @@ error: Declaration
 14 |     background-image: url("");
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:14:5
+   |
+14 |     background-image: url("");
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:14:5
    |
@@ -553,6 +619,12 @@ error: Declaration
 15 |     background-image: url(   ""   );
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:15:5
+   |
+15 |     background-image: url(   ""   );
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:15:5
    |
@@ -595,6 +667,12 @@ error: Declaration
 16 |     background-image: url('');
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:16:5
+   |
+16 |     background-image: url('');
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:16:5
    |
@@ -637,6 +715,12 @@ error: Declaration
 17 |     background-image: url(   ''   );
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:17:5
+   |
+17 |     background-image: url(   ''   );
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:17:5
    |
@@ -679,6 +763,12 @@ error: Declaration
 18 |     background-image: url(   ' '   );
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:18:5
+   |
+18 |     background-image: url(   ' '   );
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:18:5
    |
@@ -721,6 +811,12 @@ error: Declaration
 19 |     background-image: url(./image.png);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:19:5
+   |
+19 |     background-image: url(./image.png);
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:19:5
    |
@@ -763,6 +859,12 @@ error: Declaration
 20 |     background-image: url(   ./image.png   );
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:20:5
+   |
+20 |     background-image: url(   ./image.png   );
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:20:5
    |
@@ -805,6 +907,12 @@ error: Declaration
 21 |     background-image: url(   ./image\32.png   );
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:21:5
+   |
+21 |     background-image: url(   ./image\32.png   );
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:21:5
    |
@@ -849,6 +957,12 @@ error: Declaration
 24 | |     );
    | |_____^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:22:5
+   |
+22 |     background-image: url(   
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:22:5
    |
@@ -909,6 +1023,12 @@ error: Declaration
 33 | |     );
    | |_____^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:25:5
+   |
+25 |     background-image: url(
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:25:5
    |
@@ -985,6 +1105,12 @@ error: Declaration
 42 | |        );
    | |________^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:34:5
+   |
+34 |     background-image: url(   
+   |     ^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:34:5
    |
@@ -1055,6 +1181,12 @@ error: Declaration
 43 |     background: url(image.png\0001);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:43:5
+   |
+43 |     background: url(image.png\0001);
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:43:5
    |
@@ -1097,6 +1229,12 @@ error: Declaration
 44 |     background: url(image.png\1);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:44:5
+   |
+44 |     background: url(image.png\1);
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:44:5
    |
@@ -1139,6 +1277,12 @@ error: Declaration
 45 |     background: url(image.png\D799);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:45:5
+   |
+45 |     background: url(image.png\D799);
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:45:5
    |
@@ -1181,6 +1325,12 @@ error: Declaration
 46 |     background: url(image.png\E000);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:46:5
+   |
+46 |     background: url(image.png\E000);
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:46:5
    |
@@ -1223,6 +1373,12 @@ error: Declaration
 47 |     background: url(image.png\10FFFF);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/function/url/input.css:47:5
+   |
+47 |     background: url(image.png\10FFFF);
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/function/url/input.css:47:5
    |
diff --git a/crates/swc_css_parser/tests/fixture/hex-colors/span.rust-debug b/crates/swc_css_parser/tests/fixture/hex-colors/span.rust-debug
index 612b7bdb5e9..80e14ee4a1b 100644
--- a/crates/swc_css_parser/tests/fixture/hex-colors/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/hex-colors/span.rust-debug
@@ -83,6 +83,12 @@ error: Declaration
 2 |   color: #000000;
   |   ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/hex-colors/input.css:2:3
+  |
+2 |   color: #000000;
+  |   ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/hex-colors/input.css:2:3
   |
@@ -107,6 +113,12 @@ error: Declaration
 3 |   color: #ffffff;
   |   ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/hex-colors/input.css:3:3
+  |
+3 |   color: #ffffff;
+  |   ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/hex-colors/input.css:3:3
   |
@@ -131,6 +143,12 @@ error: Declaration
 4 |   color: #FFFFFF;
   |   ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/hex-colors/input.css:4:3
+  |
+4 |   color: #FFFFFF;
+  |   ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/hex-colors/input.css:4:3
   |
@@ -155,6 +173,12 @@ error: Declaration
 5 |   color: #0000ffcc;
   |   ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/hex-colors/input.css:5:3
+  |
+5 |   color: #0000ffcc;
+  |   ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/hex-colors/input.css:5:3
   |
@@ -179,6 +203,12 @@ error: Declaration
 6 |   color: #0000FFCC;
   |   ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/hex-colors/input.css:6:3
+  |
+6 |   color: #0000FFCC;
+  |   ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/hex-colors/input.css:6:3
   |
@@ -203,6 +233,12 @@ error: Declaration
 7 |   color: #000;
   |   ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/hex-colors/input.css:7:3
+  |
+7 |   color: #000;
+  |   ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/hex-colors/input.css:7:3
   |
@@ -227,6 +263,12 @@ error: Declaration
 8 |   color: #fff;
   |   ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/hex-colors/input.css:8:3
+  |
+8 |   color: #fff;
+  |   ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/hex-colors/input.css:8:3
   |
@@ -251,6 +293,12 @@ error: Declaration
 9 |   color: #FFF;
   |   ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/hex-colors/input.css:9:3
+  |
+9 |   color: #FFF;
+  |   ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/hex-colors/input.css:9:3
   |
@@ -275,6 +323,12 @@ error: Declaration
 10 |   color: #0000;
    |   ^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/hex-colors/input.css:10:3
+   |
+10 |   color: #0000;
+   |   ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/hex-colors/input.css:10:3
    |
@@ -299,6 +353,12 @@ error: Declaration
 11 |   color: #ffff;
    |   ^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/hex-colors/input.css:11:3
+   |
+11 |   color: #ffff;
+   |   ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/hex-colors/input.css:11:3
    |
@@ -323,6 +383,12 @@ error: Declaration
 12 |   color: #FFFF;
    |   ^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/hex-colors/input.css:12:3
+   |
+12 |   color: #FFFF;
+   |   ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/hex-colors/input.css:12:3
    |
diff --git a/crates/swc_css_parser/tests/fixture/important/basic/span.rust-debug b/crates/swc_css_parser/tests/fixture/important/basic/span.rust-debug
index d6e69f1955e..c08bc38628f 100644
--- a/crates/swc_css_parser/tests/fixture/important/basic/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/important/basic/span.rust-debug
@@ -89,6 +89,12 @@ error: Declaration
 2 |     prop: important;
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/important/basic/input.css:2:5
+  |
+2 |     prop: important;
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/important/basic/input.css:2:5
   |
@@ -113,6 +119,12 @@ error: Declaration
 3 |     color: red important;
   |     ^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/important/basic/input.css:3:5
+  |
+3 |     color: red important;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/important/basic/input.css:3:5
   |
@@ -149,6 +161,12 @@ error: Declaration
 4 |     width: 1px!important;
   |     ^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/important/basic/input.css:4:5
+  |
+4 |     width: 1px!important;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/important/basic/input.css:4:5
   |
@@ -185,6 +203,12 @@ error: Declaration
 5 |     color: red!important;
   |     ^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/important/basic/input.css:5:5
+  |
+5 |     color: red!important;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/important/basic/input.css:5:5
   |
@@ -209,6 +233,12 @@ error: Declaration
 6 |     color: red !important;
   |     ^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/important/basic/input.css:6:5
+  |
+6 |     color: red !important;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/important/basic/input.css:6:5
   |
@@ -233,6 +263,12 @@ error: Declaration
 7 |     color: red  !important;
   |     ^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/important/basic/input.css:7:5
+  |
+7 |     color: red  !important;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/important/basic/input.css:7:5
   |
@@ -257,6 +293,12 @@ error: Declaration
 8 |     color: red !   important   ;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/important/basic/input.css:8:5
+  |
+8 |     color: red !   important   ;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/important/basic/input.css:8:5
   |
@@ -281,6 +323,12 @@ error: Declaration
 9 |     color: blue !IMPORTANT;
   |     ^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/important/basic/input.css:9:5
+  |
+9 |     color: blue !IMPORTANT;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/important/basic/input.css:9:5
   |
@@ -305,6 +353,12 @@ error: Declaration
 10 |     color: white !   IMPORTANT   ;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/important/basic/input.css:10:5
+   |
+10 |     color: white !   IMPORTANT   ;
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/important/basic/input.css:10:5
    |
@@ -329,6 +383,12 @@ error: Declaration
 11 |     margin: 10px      !      important;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/important/basic/input.css:11:5
+   |
+11 |     margin: 10px      !      important;
+   |     ^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/important/basic/input.css:11:5
    |
@@ -365,6 +425,12 @@ error: Declaration
 12 |     padding: 20px     !  /* test */   important;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/important/basic/input.css:12:5
+   |
+12 |     padding: 20px     !  /* test */   important;
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/important/basic/input.css:12:5
    |
@@ -401,6 +467,12 @@ error: Declaration
 13 |     width: 100px ! /*! test */ important;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/important/basic/input.css:13:5
+   |
+13 |     width: 100px ! /*! test */ important;
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/important/basic/input.css:13:5
    |
@@ -437,6 +509,12 @@ error: Declaration
 14 |     height: 100px /*! test */ important;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/important/basic/input.css:14:5
+   |
+14 |     height: 100px /*! test */ important;
+   |     ^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/important/basic/input.css:14:5
    |
@@ -485,6 +563,12 @@ error: Declaration
 15 |     z-index: 1 ""! important;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/important/basic/input.css:15:5
+   |
+15 |     z-index: 1 ""! important;
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/important/basic/input.css:15:5
    |
@@ -521,6 +605,12 @@ error: Declaration
 16 |     padding: 1px/* sep */!important;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/important/basic/input.css:16:5
+   |
+16 |     padding: 1px/* sep */!important;
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/important/basic/input.css:16:5
    |
diff --git a/crates/swc_css_parser/tests/fixture/number/span.rust-debug b/crates/swc_css_parser/tests/fixture/number/span.rust-debug
index e3ff11169de..5dee520288c 100644
--- a/crates/swc_css_parser/tests/fixture/number/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/number/span.rust-debug
@@ -83,6 +83,12 @@ error: Declaration
 2 |     property: 10;
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/number/input.css:2:5
+  |
+2 |     property: 10;
+  |     ^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/number/input.css:2:5
   |
@@ -107,6 +113,12 @@ error: Declaration
 3 |     property: +10;
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/number/input.css:3:5
+  |
+3 |     property: +10;
+  |     ^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/number/input.css:3:5
   |
@@ -131,6 +143,12 @@ error: Declaration
 4 |     property: -10;
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/number/input.css:4:5
+  |
+4 |     property: -10;
+  |     ^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/number/input.css:4:5
   |
@@ -155,6 +173,12 @@ error: Declaration
 5 |     property: 0.1;
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/number/input.css:5:5
+  |
+5 |     property: 0.1;
+  |     ^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/number/input.css:5:5
   |
@@ -179,6 +203,12 @@ error: Declaration
 6 |     property: +0.1;
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/number/input.css:6:5
+  |
+6 |     property: +0.1;
+  |     ^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/number/input.css:6:5
   |
@@ -203,6 +233,12 @@ error: Declaration
 7 |     property: -0.1;
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/number/input.css:7:5
+  |
+7 |     property: -0.1;
+  |     ^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/number/input.css:7:5
   |
@@ -227,6 +263,12 @@ error: Declaration
 8 |     property: -.1;
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/number/input.css:8:5
+  |
+8 |     property: -.1;
+  |     ^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/number/input.css:8:5
   |
@@ -251,6 +293,12 @@ error: Declaration
 9 |     property: +.1;
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/number/input.css:9:5
+  |
+9 |     property: +.1;
+  |     ^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/number/input.css:9:5
   |
@@ -275,6 +323,12 @@ error: Declaration
 10 |     property: 0;
    |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:10:5
+   |
+10 |     property: 0;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:10:5
    |
@@ -299,6 +353,12 @@ error: Declaration
 11 |     property: 10;
    |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:11:5
+   |
+11 |     property: 10;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:11:5
    |
@@ -323,6 +383,12 @@ error: Declaration
 12 |     property: .10;
    |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:12:5
+   |
+12 |     property: .10;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:12:5
    |
@@ -347,6 +413,12 @@ error: Declaration
 13 |     property: 12.34;
    |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:13:5
+   |
+13 |     property: 12.34;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:13:5
    |
@@ -371,6 +443,12 @@ error: Declaration
 14 |     property: 0.1;
    |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:14:5
+   |
+14 |     property: 0.1;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:14:5
    |
@@ -395,6 +473,12 @@ error: Declaration
 15 |     property: 1.0;
    |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:15:5
+   |
+15 |     property: 1.0;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:15:5
    |
@@ -419,6 +503,12 @@ error: Declaration
 16 |     property: 0.0;
    |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:16:5
+   |
+16 |     property: 0.0;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:16:5
    |
@@ -443,6 +533,12 @@ error: Declaration
 17 |     property: +0.0;
    |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:17:5
+   |
+17 |     property: +0.0;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:17:5
    |
@@ -467,6 +563,12 @@ error: Declaration
 18 |     property: -0.0;
    |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:18:5
+   |
+18 |     property: -0.0;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:18:5
    |
@@ -491,6 +593,12 @@ error: Declaration
 19 |     property: .0;
    |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:19:5
+   |
+19 |     property: .0;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:19:5
    |
@@ -515,6 +623,12 @@ error: Declaration
 20 |     property: 1.200000;
    |     ^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:20:5
+   |
+20 |     property: 1.200000;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:20:5
    |
@@ -539,6 +653,12 @@ error: Declaration
 21 |     property: 1.2e2;
    |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:21:5
+   |
+21 |     property: 1.2e2;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:21:5
    |
@@ -563,6 +683,12 @@ error: Declaration
 22 |     property: 1e2;
    |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:22:5
+   |
+22 |     property: 1e2;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:22:5
    |
@@ -587,6 +713,12 @@ error: Declaration
 23 |     property: .2e2;
    |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:23:5
+   |
+23 |     property: .2e2;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:23:5
    |
@@ -611,6 +743,12 @@ error: Declaration
 24 |     property: 1.2E2;
    |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:24:5
+   |
+24 |     property: 1.2E2;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:24:5
    |
@@ -635,6 +773,12 @@ error: Declaration
 25 |     property: 1.2e+2;
    |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:25:5
+   |
+25 |     property: 1.2e+2;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:25:5
    |
@@ -659,6 +803,12 @@ error: Declaration
 26 |     property: 1.2e-2;
    |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:26:5
+   |
+26 |     property: 1.2e-2;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:26:5
    |
@@ -683,6 +833,12 @@ error: Declaration
 27 |     property: -1;
    |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:27:5
+   |
+27 |     property: -1;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:27:5
    |
@@ -707,6 +863,12 @@ error: Declaration
 28 |     property: -1.2;
    |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:28:5
+   |
+28 |     property: -1.2;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:28:5
    |
@@ -731,6 +893,12 @@ error: Declaration
 29 |     property: -.2;
    |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:29:5
+   |
+29 |     property: -.2;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:29:5
    |
@@ -755,6 +923,12 @@ error: Declaration
 30 |     property: -.2;
    |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:30:5
+   |
+30 |     property: -.2;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:30:5
    |
@@ -779,6 +953,12 @@ error: Declaration
 31 |     property: +.2;
    |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:31:5
+   |
+31 |     property: +.2;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:31:5
    |
@@ -803,6 +983,12 @@ error: Declaration
 32 |     property: -1.2e3;
    |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:32:5
+   |
+32 |     property: -1.2e3;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:32:5
    |
@@ -827,6 +1013,12 @@ error: Declaration
 33 |     property: 1.75;
    |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:33:5
+   |
+33 |     property: 1.75;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:33:5
    |
@@ -851,6 +1043,12 @@ error: Declaration
 34 |     property: +1.75;
    |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:34:5
+   |
+34 |     property: +1.75;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:34:5
    |
@@ -875,6 +1073,12 @@ error: Declaration
 35 |     property: 1e;
    |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/number/input.css:35:5
+   |
+35 |     property: 1e;
+   |     ^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/number/input.css:35:5
    |
diff --git a/crates/swc_css_parser/tests/fixture/property/escaped/span.rust-debug b/crates/swc_css_parser/tests/fixture/property/escaped/span.rust-debug
index de0c9c0549d..c67052ede9f 100644
--- a/crates/swc_css_parser/tests/fixture/property/escaped/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/property/escaped/span.rust-debug
@@ -67,6 +67,12 @@ error: Declaration
 2 |     colo\r: \red;
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/property/escaped/input.css:2:5
+  |
+2 |     colo\r: \red;
+  |     ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/property/escaped/input.css:2:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/at-page/page-margin-properties/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/at-page/page-margin-properties/span.rust-debug
index 7512f7d4d94..31d71490803 100644
--- a/crates/swc_css_parser/tests/fixture/rome/at-page/page-margin-properties/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/at-page/page-margin-properties/span.rust-debug
@@ -125,6 +125,12 @@ error: Declaration
 3 |         display: none;
   |         ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/at-page/page-margin-properties/input.css:3:3
+  |
+3 |         display: none;
+  |         ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/at-page/page-margin-properties/input.css:3:3
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/at-page/page-properties-case-insensitive/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/at-page/page-properties-case-insensitive/span.rust-debug
index 0fc405bc38b..59a81f479c1 100644
--- a/crates/swc_css_parser/tests/fixture/rome/at-page/page-properties-case-insensitive/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/at-page/page-properties-case-insensitive/span.rust-debug
@@ -51,6 +51,12 @@ error: Declaration
 2 |     DISPLAY: none;
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/at-page/page-properties-case-insensitive/input.css:2:2
+  |
+2 |     DISPLAY: none;
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/at-page/page-properties-case-insensitive/input.css:2:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/at-page/page-properties/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/at-page/page-properties/span.rust-debug
index 68cdca39ffe..f248432d823 100644
--- a/crates/swc_css_parser/tests/fixture/rome/at-page/page-properties/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/at-page/page-properties/span.rust-debug
@@ -51,6 +51,12 @@ error: Declaration
 2 |     display: none;
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/at-page/page-properties/input.css:2:2
+  |
+2 |     display: none;
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/at-page/page-properties/input.css:2:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/at-page/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/at-page/span.rust-debug
index c562d9c6214..bc9b826358e 100644
--- a/crates/swc_css_parser/tests/fixture/rome/at-page/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/at-page/span.rust-debug
@@ -131,6 +131,12 @@ error: Declaration
 2 |     @top-center { content: none }
   |                   ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/at-page/input.css:2:16
+  |
+2 |     @top-center { content: none }
+  |                   ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/at-page/input.css:2:16
   |
@@ -161,6 +167,12 @@ error: Declaration
 3 |     margin-left: 4cm;
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/at-page/input.css:3:2
+  |
+3 |     margin-left: 4cm;
+  |     ^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/at-page/input.css:3:2
   |
@@ -306,6 +318,12 @@ error: Declaration
 7 |     @top-center { content: none }
   |                   ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/at-page/input.css:7:16
+  |
+7 |     @top-center { content: none }
+  |                   ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/at-page/input.css:7:16
   |
@@ -336,6 +354,12 @@ error: Declaration
 8 |     margin-left: 4cm;
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/at-page/input.css:8:2
+  |
+8 |     margin-left: 4cm;
+  |     ^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/at-page/input.css:8:2
   |
@@ -469,6 +493,12 @@ error: Declaration
 12 |     @top-center { content: none }
    |                   ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/at-page/input.css:12:16
+   |
+12 |     @top-center { content: none }
+   |                   ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/at-page/input.css:12:16
    |
@@ -499,6 +529,12 @@ error: Declaration
 13 |     margin-left: 4cm;
    |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/at-page/input.css:13:2
+   |
+13 |     margin-left: 4cm;
+   |     ^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/at-page/input.css:13:2
    |
@@ -632,6 +668,12 @@ error: Declaration
 17 |     @top-center { CONTENT: none }
    |                   ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/at-page/input.css:17:16
+   |
+17 |     @top-center { CONTENT: none }
+   |                   ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/at-page/input.css:17:16
    |
@@ -662,6 +704,12 @@ error: Declaration
 18 |     MARGIN-LEFT: 4cm;
    |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/at-page/input.css:18:2
+   |
+18 |     MARGIN-LEFT: 4cm;
+   |     ^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/at-page/input.css:18:2
    |
diff --git a/crates/swc_css_parser/tests/fixture/rome/calc/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/calc/span.rust-debug
index e5563922e64..0762d9d422f 100644
--- a/crates/swc_css_parser/tests/fixture/rome/calc/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/calc/span.rust-debug
@@ -89,6 +89,12 @@ error: Declaration
 2 |     width: calc(2px);
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/calc/input.css:2:2
+  |
+2 |     width: calc(2px);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/calc/input.css:2:2
   |
@@ -143,6 +149,12 @@ error: Declaration
 3 |     width: calc(2px + 1px);
   |     ^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/calc/input.css:3:2
+  |
+3 |     width: calc(2px + 1px);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/calc/input.css:3:2
   |
@@ -233,6 +245,12 @@ error: Declaration
 4 |     width: calc(2em + 1%);
   |     ^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/calc/input.css:4:2
+  |
+4 |     width: calc(2em + 1%);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/calc/input.css:4:2
   |
@@ -317,6 +335,12 @@ error: Declaration
 5 |     width: calc(2em * 2% * 3px);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/calc/input.css:5:2
+  |
+5 |     width: calc(2em * 2% * 3px);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/calc/input.css:5:2
   |
@@ -449,6 +473,12 @@ error: Declaration
 6 |     width: calc(2em / 2 / 3);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/calc/input.css:6:2
+  |
+6 |     width: calc(2em / 2 / 3);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/calc/input.css:6:2
   |
@@ -563,6 +593,12 @@ error: Declaration
 7 |     width: calc(2em / (2 - 3) / (2 - 6));
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/calc/input.css:7:2
+  |
+7 |     width: calc(2em / (2 - 3) / (2 - 6));
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/calc/input.css:7:2
   |
@@ -749,6 +785,12 @@ error: Declaration
 8 |     width: calc(2em * 2 + 3);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/calc/input.css:8:2
+  |
+8 |     width: calc(2em * 2 + 3);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/calc/input.css:8:2
   |
@@ -863,6 +905,12 @@ error: Declaration
 9 |     width: calc(2em * 2 - 3 + 3em / 5);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/calc/input.css:9:2
+  |
+9 |     width: calc(2em * 2 - 3 + 3em / 5);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/calc/input.css:9:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/comment/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/comment/span.rust-debug
index f7af3a5dccf..a9c4853bfdc 100644
--- a/crates/swc_css_parser/tests/fixture/rome/comment/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/comment/span.rust-debug
@@ -72,6 +72,12 @@ error: Declaration
 6 |     color: white; /* comment */
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/comment/input.css:6:2
+  |
+6 |     color: white; /* comment */
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/comment/input.css:6:2
   |
@@ -151,6 +157,12 @@ error: Declaration
 10 |     color: /* comment */ white;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/comment/input.css:10:2
+   |
+10 |     color: /* comment */ white;
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/comment/input.css:10:2
    |
@@ -230,6 +242,12 @@ error: Declaration
 14 |     color: white;
    |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/comment/input.css:14:2
+   |
+14 |     color: white;
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/comment/input.css:14:2
    |
diff --git a/crates/swc_css_parser/tests/fixture/rome/custom-properties/output.json b/crates/swc_css_parser/tests/fixture/rome/custom-properties/output.json
index 4c255d6cf1b..462f1883c2d 100644
--- a/crates/swc_css_parser/tests/fixture/rome/custom-properties/output.json
+++ b/crates/swc_css_parser/tests/fixture/rome/custom-properties/output.json
@@ -79,7 +79,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 10,
                 "end": 15,
@@ -135,7 +135,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 25,
                 "end": 37,
@@ -191,7 +191,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 47,
                 "end": 54,
@@ -247,7 +247,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 66,
                 "end": 72,
@@ -304,7 +304,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 81,
                 "end": 93,
@@ -360,7 +360,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 101,
                 "end": 109,
@@ -417,7 +417,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 116,
                 "end": 124,
@@ -476,7 +476,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 133,
                 "end": 139,
@@ -535,7 +535,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 148,
                 "end": 158,
@@ -599,7 +599,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 168,
                 "end": 185,
@@ -684,7 +684,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 200,
                 "end": 213,
@@ -755,7 +755,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 221,
                 "end": 229,
@@ -826,7 +826,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 237,
                 "end": 247,
@@ -897,7 +897,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 255,
                 "end": 275,
@@ -953,7 +953,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 287,
                 "end": 305,
@@ -1009,7 +1009,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 316,
                 "end": 342,
@@ -1093,7 +1093,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 357,
                 "end": 381,
@@ -1177,7 +1177,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 395,
                 "end": 413,
@@ -1228,7 +1228,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 422,
                 "end": 440,
@@ -1279,7 +1279,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 448,
                 "end": 467,
@@ -1346,7 +1346,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 478,
                 "end": 497,
diff --git a/crates/swc_css_parser/tests/fixture/rome/custom-properties/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/custom-properties/span.rust-debug
index 35b9bdcf8c6..8bef1c6bfb4 100644
--- a/crates/swc_css_parser/tests/fixture/rome/custom-properties/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/custom-properties/span.rust-debug
@@ -89,7 +89,13 @@ error: Declaration
 2 |     --foo: 'bar';
   |     ^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/custom-properties/input.css:2:2
+  |
+2 |     --foo: 'bar';
+  |     ^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/rome/custom-properties/input.css:2:2
   |
 2 |     --foo: 'bar';
@@ -125,7 +131,13 @@ error: Declaration
 3 |     --lore-ipsum: "foo";
   |     ^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/custom-properties/input.css:3:2
+  |
+3 |     --lore-ipsum: "foo";
+  |     ^^^^^^^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/rome/custom-properties/input.css:3:2
   |
 3 |     --lore-ipsum: "foo";
@@ -161,7 +173,13 @@ error: Declaration
 4 |     --FANCY: "abort";
   |     ^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/custom-properties/input.css:4:2
+  |
+4 |     --FANCY: "abort";
+  |     ^^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/rome/custom-properties/input.css:4:2
   |
 4 |     --FANCY: "abort";
@@ -197,7 +215,13 @@ error: Declaration
 5 |     --test: 1987;
   |     ^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/custom-properties/input.css:5:2
+  |
+5 |     --test: 1987;
+  |     ^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/rome/custom-properties/input.css:5:2
   |
 5 |     --test: 1987;
@@ -233,7 +257,13 @@ error: Declaration
 6 |     --percentage: 25%;
   |     ^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/custom-properties/input.css:6:2
+  |
+6 |     --percentage: 25%;
+  |     ^^^^^^^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/rome/custom-properties/input.css:6:2
   |
 6 |     --percentage: 25%;
@@ -269,7 +299,13 @@ error: Declaration
 7 |     --number: 37;
   |     ^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/custom-properties/input.css:7:2
+  |
+7 |     --number: 37;
+  |     ^^^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/rome/custom-properties/input.css:7:2
   |
 7 |     --number: 37;
@@ -305,7 +341,13 @@ error: Declaration
 8 |     --length: 12em;
   |     ^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/custom-properties/input.css:8:2
+  |
+8 |     --length: 12em;
+  |     ^^^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/rome/custom-properties/input.css:8:2
   |
 8 |     --length: 12em;
@@ -341,7 +383,13 @@ error: Declaration
 9 |     --time: 75ms;
   |     ^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/custom-properties/input.css:9:2
+  |
+9 |     --time: 75ms;
+  |     ^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/rome/custom-properties/input.css:9:2
   |
 9 |     --time: 75ms;
@@ -377,7 +425,13 @@ error: Declaration
 10 |     --function: foo();
    |     ^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:10:2
+   |
+10 |     --function: foo();
+   |     ^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:10:2
    |
 10 |     --function: foo();
@@ -419,7 +473,13 @@ error: Declaration
 11 |     --nested-function: foo(bar());
    |     ^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:11:2
+   |
+11 |     --nested-function: foo(bar());
+   |     ^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:11:2
    |
 11 |     --nested-function: foo(bar());
@@ -473,7 +533,13 @@ error: Declaration
 12 |     --parentheses: ( );
    |     ^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:12:2
+   |
+12 |     --parentheses: ( );
+   |     ^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:12:2
    |
 12 |     --parentheses: ( );
@@ -521,7 +587,13 @@ error: Declaration
 13 |     --braces: { };
    |     ^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:13:2
+   |
+13 |     --braces: { };
+   |     ^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:13:2
    |
 13 |     --braces: { };
@@ -569,7 +641,13 @@ error: Declaration
 14 |     --brackets: [ ];
    |     ^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:14:2
+   |
+14 |     --brackets: [ ];
+   |     ^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:14:2
    |
 14 |     --brackets: [ ];
@@ -617,7 +695,13 @@ error: Declaration
 15 |     --at-keyword-unknown: @foobar;
    |     ^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:15:2
+   |
+15 |     --at-keyword-unknown: @foobar;
+   |     ^^^^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:15:2
    |
 15 |     --at-keyword-unknown: @foobar;
@@ -653,7 +737,13 @@ error: Declaration
 16 |     --at-keyword-known: @media;
    |     ^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:16:2
+   |
+16 |     --at-keyword-known: @media;
+   |     ^^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:16:2
    |
 16 |     --at-keyword-known: @media;
@@ -689,7 +779,13 @@ error: Declaration
 17 |     --at-keyword-unknown-block: @foobar {};
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:17:2
+   |
+17 |     --at-keyword-unknown-block: @foobar {};
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:17:2
    |
 17 |     --at-keyword-unknown-block: @foobar {};
@@ -743,7 +839,13 @@ error: Declaration
 18 |     --at-keyword-known-block: @media {};
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:18:2
+   |
+18 |     --at-keyword-known-block: @media {};
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:18:2
    |
 18 |     --at-keyword-known-block: @media {};
@@ -797,7 +899,13 @@ error: Declaration
 19 |     --cdo-at-top-level: <!--;
    |     ^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:19:2
+   |
+19 |     --cdo-at-top-level: <!--;
+   |     ^^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:19:2
    |
 19 |     --cdo-at-top-level: <!--;
@@ -833,7 +941,13 @@ error: Declaration
 20 |     --cdc-at-top-level: -->;
    |     ^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:20:2
+   |
+20 |     --cdc-at-top-level: -->;
+   |     ^^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:20:2
    |
 20 |     --cdc-at-top-level: -->;
@@ -869,7 +983,13 @@ error: Declaration
 21 |     --cdo-not-top-level: (<!--);
    |     ^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:21:2
+   |
+21 |     --cdo-not-top-level: (<!--);
+   |     ^^^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:21:2
    |
 21 |     --cdo-not-top-level: (<!--);
@@ -917,7 +1037,13 @@ error: Declaration
 22 |     --cdc-not-top-level: (-->);
    |     ^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/custom-properties/input.css:22:2
+   |
+22 |     --cdc-not-top-level: (-->);
+   |     ^^^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/rome/custom-properties/input.css:22:2
    |
 22 |     --cdc-not-top-level: (-->);
diff --git a/crates/swc_css_parser/tests/fixture/rome/fit-content/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/fit-content/span.rust-debug
index 65eb1bb1bf3..231e59eec19 100644
--- a/crates/swc_css_parser/tests/fixture/rome/fit-content/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/fit-content/span.rust-debug
@@ -73,6 +73,12 @@ error: Declaration
 2 |     grid-template-columns: fit-content(8ch) fit-content(8ch) 1fr;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/fit-content/input.css:2:2
+  |
+2 |     grid-template-columns: fit-content(8ch) fit-content(8ch) 1fr;
+  |     ^^^^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/fit-content/input.css:2:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/font/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/font/span.rust-debug
index 60c4346914e..f2919c56b4f 100644
--- a/crates/swc_css_parser/tests/fixture/rome/font/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/font/span.rust-debug
@@ -45,6 +45,12 @@ error: Declaration
 2 |     src: url("");
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/font/input.css:2:2
+  |
+2 |     src: url("");
+  |     ^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/font/input.css:2:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/functions/output.json b/crates/swc_css_parser/tests/fixture/rome/functions/output.json
index a3b043a8a40..367fd3fc005 100644
--- a/crates/swc_css_parser/tests/fixture/rome/functions/output.json
+++ b/crates/swc_css_parser/tests/fixture/rome/functions/output.json
@@ -79,7 +79,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 10,
                 "end": 17,
@@ -167,7 +167,7 @@
                 },
                 "value": [
                   {
-                    "type": "Identifier",
+                    "type": "DashedIdentifier",
                     "span": {
                       "start": 37,
                       "end": 44,
diff --git a/crates/swc_css_parser/tests/fixture/rome/functions/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/functions/span.rust-debug
index 3b3e2eee9ff..c4ba3393e69 100644
--- a/crates/swc_css_parser/tests/fixture/rome/functions/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/functions/span.rust-debug
@@ -89,7 +89,13 @@ error: Declaration
 2 |     --fancy: 2px;
   |     ^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/functions/input.css:2:2
+  |
+2 |     --fancy: 2px;
+  |     ^^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/rome/functions/input.css:2:2
   |
 2 |     --fancy: 2px;
@@ -125,6 +131,12 @@ error: Declaration
 3 |     border: var(--fancy);
   |     ^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/functions/input.css:3:2
+  |
+3 |     border: var(--fancy);
+  |     ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/functions/input.css:3:2
   |
@@ -155,7 +167,7 @@ error: Value
 3 |     border: var(--fancy);
   |                 ^^^^^^^
 
-error: Ident
+error: DashedIdent
  --> $DIR/tests/fixture/rome/functions/input.css:3:14
   |
 3 |     border: var(--fancy);
@@ -167,6 +179,12 @@ error: Declaration
 4 |     font-size: calc(10px + 5rem);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/functions/input.css:4:2
+  |
+4 |     font-size: calc(10px + 5rem);
+  |     ^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/functions/input.css:4:2
   |
@@ -257,6 +275,12 @@ error: Declaration
 5 |     background: url("");
   |     ^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/functions/input.css:5:2
+  |
+5 |     background: url("");
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/functions/input.css:5:2
   |
@@ -299,6 +323,12 @@ error: Declaration
 6 |     background: url("something");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/functions/input.css:6:2
+  |
+6 |     background: url("something");
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/functions/input.css:6:2
   |
@@ -341,6 +371,12 @@ error: Declaration
 7 |     background: url("./something");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/functions/input.css:7:2
+  |
+7 |     background: url("./something");
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/functions/input.css:7:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/grid/minmax/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/grid/minmax/span.rust-debug
index 1e0866b48b9..fcbe455d1a1 100644
--- a/crates/swc_css_parser/tests/fixture/rome/grid/minmax/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/grid/minmax/span.rust-debug
@@ -73,6 +73,12 @@ error: Declaration
 2 |     grid-template-columns: minmax(min-content, 300px) minmax(200px, 1fr) minmax(max-content, max-content);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/grid/minmax/input.css:2:2
+  |
+2 |     grid-template-columns: minmax(min-content, 300px) minmax(200px, 1fr) minmax(max-content, max-content);
+  |     ^^^^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/grid/minmax/input.css:2:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/grid/repeat/fit-content/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/grid/repeat/fit-content/span.rust-debug
index 846a17ae03c..5c1ebd7c11d 100644
--- a/crates/swc_css_parser/tests/fixture/rome/grid/repeat/fit-content/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/grid/repeat/fit-content/span.rust-debug
@@ -73,6 +73,12 @@ error: Declaration
 2 |     grid-template-columns: repeat(4, fit-content(300px));
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/grid/repeat/fit-content/input.css:2:2
+  |
+2 |     grid-template-columns: repeat(4, fit-content(300px));
+  |     ^^^^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/grid/repeat/fit-content/input.css:2:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/grid/repeat/flex/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/grid/repeat/flex/span.rust-debug
index 50b491af0fb..84fe68a32d8 100644
--- a/crates/swc_css_parser/tests/fixture/rome/grid/repeat/flex/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/grid/repeat/flex/span.rust-debug
@@ -73,6 +73,12 @@ error: Declaration
 2 |     grid-template-columns: repeat(4, 1fr);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/grid/repeat/flex/input.css:2:2
+  |
+2 |     grid-template-columns: repeat(4, 1fr);
+  |     ^^^^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/grid/repeat/flex/input.css:2:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/grid/repeat/line-name/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/grid/repeat/line-name/span.rust-debug
index 5a2d90dbfe1..03d98179324 100644
--- a/crates/swc_css_parser/tests/fixture/rome/grid/repeat/line-name/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/grid/repeat/line-name/span.rust-debug
@@ -73,6 +73,12 @@ error: Declaration
 2 |     grid-template-columns: repeat(4, [col-start]);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/grid/repeat/line-name/input.css:2:2
+  |
+2 |     grid-template-columns: repeat(4, [col-start]);
+  |     ^^^^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/grid/repeat/line-name/input.css:2:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/grid/repeat/minmax/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/grid/repeat/minmax/span.rust-debug
index fad8f3c8b34..32c96c98831 100644
--- a/crates/swc_css_parser/tests/fixture/rome/grid/repeat/minmax/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/grid/repeat/minmax/span.rust-debug
@@ -73,6 +73,12 @@ error: Declaration
 2 |     grid-template-columns: repeat(4, minmax(min-content, 300px));
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/grid/repeat/minmax/input.css:2:2
+  |
+2 |     grid-template-columns: repeat(4, minmax(min-content, 300px));
+  |     ^^^^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/grid/repeat/minmax/input.css:2:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/grid/repeat/multi-values/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/grid/repeat/multi-values/span.rust-debug
index c25abc6bcea..0b842fbbc89 100644
--- a/crates/swc_css_parser/tests/fixture/rome/grid/repeat/multi-values/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/grid/repeat/multi-values/span.rust-debug
@@ -73,6 +73,12 @@ error: Declaration
 2 |     grid-template-columns: repeat(4, [col-start] min-content [col-middle] max-content [col-end]);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/grid/repeat/multi-values/input.css:2:2
+  |
+2 |     grid-template-columns: repeat(4, [col-start] min-content [col-middle] max-content [col-end]);
+  |     ^^^^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/grid/repeat/multi-values/input.css:2:2
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/keyframe/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/keyframe/span.rust-debug
index 16bbc7b4959..69dc894cb76 100644
--- a/crates/swc_css_parser/tests/fixture/rome/keyframe/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/keyframe/span.rust-debug
@@ -96,6 +96,12 @@ error: Declaration
 3 |         margin-top: 50px !important;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/keyframe/input.css:3:9
+  |
+3 |         margin-top: 50px !important;
+  |         ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/keyframe/input.css:3:9
   |
@@ -170,6 +176,12 @@ error: Declaration
 6 |         margin-top: 100px !important;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/keyframe/input.css:6:9
+  |
+6 |         margin-top: 100px !important;
+  |         ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/keyframe/input.css:6:9
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/min-and-max/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/min-and-max/span.rust-debug
index 4b69c1f2a28..294947ce7b3 100644
--- a/crates/swc_css_parser/tests/fixture/rome/min-and-max/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/min-and-max/span.rust-debug
@@ -89,6 +89,12 @@ error: Declaration
 2 |     width: max(500px);
   |     ^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/min-and-max/input.css:2:2
+  |
+2 |     width: max(500px);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/min-and-max/input.css:2:2
   |
@@ -143,6 +149,12 @@ error: Declaration
 3 |     width: max(500px, 6 / 4);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/min-and-max/input.css:3:2
+  |
+3 |     width: max(500px, 6 / 4);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/min-and-max/input.css:3:2
   |
@@ -233,6 +245,12 @@ error: Declaration
 4 |     width: max(500px, 40px + 5%);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/min-and-max/input.css:4:2
+  |
+4 |     width: max(500px, 40px + 5%);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/min-and-max/input.css:4:2
   |
@@ -341,6 +359,12 @@ error: Declaration
 5 |     width: max(500px, 5% * 400px + 2px);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/min-and-max/input.css:5:2
+  |
+5 |     width: max(500px, 5% * 400px + 2px);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/min-and-max/input.css:5:2
   |
@@ -497,6 +521,12 @@ error: Declaration
 6 |     width: max(500px, 5% * 400px + 2px, 5% * 400px + 2px, 5% * 400px + 2px);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/min-and-max/input.css:6:2
+  |
+6 |     width: max(500px, 5% * 400px + 2px, 5% * 400px + 2px, 5% * 400px + 2px);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/min-and-max/input.css:6:2
   |
@@ -857,6 +887,12 @@ error: Declaration
 7 |     width: min(500px);
   |     ^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/min-and-max/input.css:7:2
+  |
+7 |     width: min(500px);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/min-and-max/input.css:7:2
   |
@@ -911,6 +947,12 @@ error: Declaration
 8 |     width: min(500px, 6 / 4);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/min-and-max/input.css:8:2
+  |
+8 |     width: min(500px, 6 / 4);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/min-and-max/input.css:8:2
   |
@@ -1001,6 +1043,12 @@ error: Declaration
 9 |     width: min(500px, 40px + 5%);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/min-and-max/input.css:9:2
+  |
+9 |     width: min(500px, 40px + 5%);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/min-and-max/input.css:9:2
   |
@@ -1109,6 +1157,12 @@ error: Declaration
 10 |     width: min(500px, 5% * 400px + 2px);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/min-and-max/input.css:10:2
+   |
+10 |     width: min(500px, 5% * 400px + 2px);
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/min-and-max/input.css:10:2
    |
@@ -1265,6 +1319,12 @@ error: Declaration
 11 |     width: min(500px, 5% * 400px + 2px, 5% * 400px + 2px, 5% * 400px + 2px);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/min-and-max/input.css:11:2
+   |
+11 |     width: min(500px, 5% * 400px + 2px, 5% * 400px + 2px, 5% * 400px + 2px);
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/min-and-max/input.css:11:2
    |
diff --git a/crates/swc_css_parser/tests/fixture/rome/selectors/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/selectors/span.rust-debug
index 8fbd1b2af77..767ed51f8fe 100644
--- a/crates/swc_css_parser/tests/fixture/rome/selectors/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/selectors/span.rust-debug
@@ -452,6 +452,12 @@ error: Declaration
 14 |   color: purple;
    |   ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/selectors/input.css:14:3
+   |
+14 |   color: purple;
+   |   ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/selectors/input.css:14:3
    |
@@ -555,6 +561,12 @@ error: Declaration
 18 |   color: purple;
    |   ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/selectors/input.css:18:3
+   |
+18 |   color: purple;
+   |   ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/selectors/input.css:18:3
    |
@@ -658,6 +670,12 @@ error: Declaration
 22 |   color: purple;
    |   ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/selectors/input.css:22:3
+   |
+22 |   color: purple;
+   |   ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/selectors/input.css:22:3
    |
@@ -785,6 +803,12 @@ error: Declaration
 26 |     color: purple;
    |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/selectors/input.css:26:2
+   |
+26 |     color: purple;
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/selectors/input.css:26:2
    |
diff --git a/crates/swc_css_parser/tests/fixture/rome/smoke/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/smoke/span.rust-debug
index ebdcd90f98e..3475a7a6d0c 100644
--- a/crates/swc_css_parser/tests/fixture/rome/smoke/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/smoke/span.rust-debug
@@ -75,6 +75,12 @@ error: Declaration
 3 |     background: red;
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/smoke/input.css:3:5
+  |
+3 |     background: red;
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/smoke/input.css:3:5
   |
@@ -99,6 +105,12 @@ error: Declaration
 4 |     width: calc(1px + 2%);
   |     ^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/smoke/input.css:4:5
+  |
+4 |     width: calc(1px + 2%);
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/smoke/input.css:4:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/rome/supports/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/supports/span.rust-debug
index a8c0f219620..da5374ed962 100644
--- a/crates/swc_css_parser/tests/fixture/rome/supports/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/supports/span.rust-debug
@@ -67,6 +67,12 @@ error: Declaration
 1 | @supports not (display: flex) {
   |                ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/supports/input.css:1:16
+  |
+1 | @supports not (display: flex) {
+  |                ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/supports/input.css:1:16
   |
@@ -146,6 +152,12 @@ error: Declaration
 4 | @supports ( box-shadow: 0 0 2px black inset ) or
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/supports/input.css:4:13
+  |
+4 | @supports ( box-shadow: 0 0 2px black inset ) or
+  |             ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/supports/input.css:4:13
   |
@@ -258,6 +270,12 @@ error: Declaration
 5 |           ( -moz-box-shadow: 0 0 2px black inset ) or
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/supports/input.css:5:13
+  |
+5 |           ( -moz-box-shadow: 0 0 2px black inset ) or
+  |             ^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/supports/input.css:5:13
   |
@@ -370,6 +388,12 @@ error: Declaration
 6 |           ( -webkit-box-shadow: 0 0 2px black inset ) or
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/supports/input.css:6:13
+  |
+6 |           ( -webkit-box-shadow: 0 0 2px black inset ) or
+  |             ^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/supports/input.css:6:13
   |
@@ -482,6 +506,12 @@ error: Declaration
 7 |           ( -o-box-shadow: 0 0 2px black inset ) {}
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/supports/input.css:7:13
+  |
+7 |           ( -o-box-shadow: 0 0 2px black inset ) {}
+  |             ^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/supports/input.css:7:13
   |
@@ -641,6 +671,12 @@ error: Declaration
 10 | @supports ((transition-property: color) or
    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/supports/input.css:10:13
+   |
+10 | @supports ((transition-property: color) or
+   |             ^^^^^^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/supports/input.css:10:13
    |
@@ -693,6 +729,12 @@ error: Declaration
 11 |            (animation-name: foo)) and
    |             ^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/supports/input.css:11:13
+   |
+11 |            (animation-name: foo)) and
+   |             ^^^^^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/supports/input.css:11:13
    |
@@ -745,6 +787,12 @@ error: Declaration
 12 |           (transform: rotate(10deg)) {}
    |            ^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/supports/input.css:12:12
+   |
+12 |           (transform: rotate(10deg)) {}
+   |            ^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/supports/input.css:12:12
    |
diff --git a/crates/swc_css_parser/tests/fixture/rome/values/span.rust-debug b/crates/swc_css_parser/tests/fixture/rome/values/span.rust-debug
index 677b82d4afe..2af3ff1768a 100644
--- a/crates/swc_css_parser/tests/fixture/rome/values/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/rome/values/span.rust-debug
@@ -89,6 +89,12 @@ error: Declaration
 2 |     content: ' content ';
   |     ^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/values/input.css:2:2
+  |
+2 |     content: ' content ';
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/values/input.css:2:2
   |
@@ -183,6 +189,12 @@ error: Declaration
 6 |     opacity: 1e-3;
   |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/values/input.css:6:2
+  |
+6 |     opacity: 1e-3;
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/values/input.css:6:2
   |
@@ -207,6 +219,12 @@ error: Declaration
 7 |     line-height: 0.2;
   |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/values/input.css:7:2
+  |
+7 |     line-height: 0.2;
+  |     ^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/values/input.css:7:2
   |
@@ -231,6 +249,12 @@ error: Declaration
 8 |     width: 20%;
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/values/input.css:8:2
+  |
+8 |     width: 20%;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/values/input.css:8:2
   |
@@ -261,6 +285,12 @@ error: Declaration
 9 |     margin-top: -5%;
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/rome/values/input.css:9:2
+  |
+9 |     margin-top: -5%;
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/rome/values/input.css:9:2
   |
@@ -346,6 +376,12 @@ error: Declaration
 13 |     color: yellow
    |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/values/input.css:13:2
+   |
+13 |     color: yellow
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/values/input.css:13:2
    |
@@ -428,6 +464,12 @@ error: Declaration
 17 |     color: yellow;
    |     ^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/values/input.css:17:2
+   |
+17 |     color: yellow;
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/values/input.css:17:2
    |
@@ -452,6 +494,12 @@ error: Declaration
 18 |     background: none
    |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/rome/values/input.css:18:2
+   |
+18 |     background: none
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/rome/values/input.css:18:2
    |
diff --git a/crates/swc_css_parser/tests/fixture/selector/nesting/span.rust-debug b/crates/swc_css_parser/tests/fixture/selector/nesting/span.rust-debug
index 31be052727b..af1ce9b7a23 100644
--- a/crates/swc_css_parser/tests/fixture/selector/nesting/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/selector/nesting/span.rust-debug
@@ -82,6 +82,12 @@ error: Declaration
 1 | & > .bar { color: red; }
   |            ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/selector/nesting/input.css:1:12
+  |
+1 | & > .bar { color: red; }
+  |            ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/selector/nesting/input.css:1:12
   |
diff --git a/crates/swc_css_parser/tests/fixture/selector/universal/span.rust-debug b/crates/swc_css_parser/tests/fixture/selector/universal/span.rust-debug
index def905b043d..1025ae9882d 100644
--- a/crates/swc_css_parser/tests/fixture/selector/universal/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/selector/universal/span.rust-debug
@@ -67,6 +67,12 @@ error: Declaration
 2 |     display: block;
   |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/selector/universal/input.css:2:5
+  |
+2 |     display: block;
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/selector/universal/input.css:2:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/styled-jsx/selector/1/span.rust-debug b/crates/swc_css_parser/tests/fixture/styled-jsx/selector/1/span.rust-debug
index a2d5cc3b944..ceb266f489b 100644
--- a/crates/swc_css_parser/tests/fixture/styled-jsx/selector/1/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/styled-jsx/selector/1/span.rust-debug
@@ -115,6 +115,12 @@ error: Declaration
 2 |     color: red;
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/styled-jsx/selector/1/input.css:2:5
+  |
+2 |     color: red;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/styled-jsx/selector/1/input.css:2:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/styled-jsx/selector/2/span.rust-debug b/crates/swc_css_parser/tests/fixture/styled-jsx/selector/2/span.rust-debug
index 27849ab1858..5b62e7d9c54 100644
--- a/crates/swc_css_parser/tests/fixture/styled-jsx/selector/2/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/styled-jsx/selector/2/span.rust-debug
@@ -139,6 +139,12 @@ error: Declaration
 2 |     color: green;
   |     ^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/styled-jsx/selector/2/input.css:2:5
+  |
+2 |     color: green;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/styled-jsx/selector/2/input.css:2:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/stylis/comma/01/span.rust-debug b/crates/swc_css_parser/tests/fixture/stylis/comma/01/span.rust-debug
index 447c197e5af..6bc28bd626f 100644
--- a/crates/swc_css_parser/tests/fixture/stylis/comma/01/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/stylis/comma/01/span.rust-debug
@@ -67,6 +67,12 @@ error: Declaration
 2 |     cursor: image-set(url(foo.jpg) 2x), pointer;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/stylis/comma/01/input.css:2:5
+  |
+2 |     cursor: image-set(url(foo.jpg) 2x), pointer;
+  |     ^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/stylis/comma/01/input.css:2:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/value/custom-property/output.json b/crates/swc_css_parser/tests/fixture/value/custom-property/output.json
index b3d6070564a..c724d3c0fa8 100644
--- a/crates/swc_css_parser/tests/fixture/value/custom-property/output.json
+++ b/crates/swc_css_parser/tests/fixture/value/custom-property/output.json
@@ -80,7 +80,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 12,
                 "end": 14,
@@ -124,7 +124,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 27,
                 "end": 38,
@@ -172,7 +172,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 60,
                 "end": 72,
@@ -232,7 +232,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 95,
                 "end": 107,
@@ -304,7 +304,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 131,
                 "end": 143,
@@ -364,7 +364,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 166,
                 "end": 178,
@@ -446,7 +446,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 204,
                 "end": 211,
@@ -489,7 +489,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 219,
                 "end": 227,
@@ -532,7 +532,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 239,
                 "end": 247,
@@ -579,7 +579,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 265,
                 "end": 273,
@@ -626,7 +626,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 295,
                 "end": 303,
@@ -669,7 +669,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 326,
                 "end": 341,
@@ -713,7 +713,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 353,
                 "end": 361,
@@ -770,7 +770,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 370,
                 "end": 376,
@@ -829,7 +829,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 389,
                 "end": 396,
@@ -886,7 +886,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 409,
                 "end": 419,
@@ -1014,7 +1014,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 438,
                 "end": 448,
@@ -1091,7 +1091,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 468,
                 "end": 476,
@@ -1147,7 +1147,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 506,
                 "end": 514,
@@ -1203,7 +1203,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 545,
                 "end": 559,
@@ -1344,7 +1344,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 576,
                 "end": 591,
@@ -1403,7 +1403,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 601,
                 "end": 616,
@@ -1450,7 +1450,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 625,
                 "end": 638,
@@ -1591,7 +1591,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 655,
                 "end": 669,
@@ -1650,7 +1650,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 679,
                 "end": 693,
@@ -1697,7 +1697,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 702,
                 "end": 717,
@@ -1838,7 +1838,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 734,
                 "end": 750,
@@ -1897,7 +1897,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 760,
                 "end": 776,
@@ -1944,7 +1944,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 787,
                 "end": 793,
@@ -2220,7 +2220,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 834,
                 "end": 846,
@@ -2408,7 +2408,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 891,
                 "end": 896,
@@ -2459,7 +2459,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 908,
                 "end": 913,
@@ -2510,7 +2510,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 925,
                 "end": 943,
@@ -2781,7 +2781,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 980,
                 "end": 996,
@@ -2853,7 +2853,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 1015,
                 "end": 1040,
@@ -2920,7 +2920,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 1051,
                 "end": 1072,
@@ -3060,7 +3060,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 1088,
                 "end": 1091,
@@ -3174,7 +3174,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 1102,
                 "end": 1107,
@@ -3286,7 +3286,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 1123,
                 "end": 1128,
diff --git a/crates/swc_css_parser/tests/fixture/value/custom-property/span.rust-debug b/crates/swc_css_parser/tests/fixture/value/custom-property/span.rust-debug
index 01cff43ba05..1d16ff7abe8 100644
--- a/crates/swc_css_parser/tests/fixture/value/custom-property/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/value/custom-property/span.rust-debug
@@ -89,7 +89,13 @@ error: Declaration
 2 |     --:value;
   |     ^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/custom-property/input.css:2:5
+  |
+2 |     --:value;
+  |     ^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/value/custom-property/input.css:2:5
   |
 2 |     --:value;
@@ -119,7 +125,13 @@ error: Declaration
 4 |     --important:value!important;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/custom-property/input.css:4:5
+  |
+4 |     --important:value!important;
+  |     ^^^^^^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/value/custom-property/input.css:4:5
   |
 4 |     --important:value!important;
@@ -149,7 +161,13 @@ error: Declaration
 5 |     --important1: value!important;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/custom-property/input.css:5:5
+  |
+5 |     --important1: value!important;
+  |     ^^^^^^^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/value/custom-property/input.css:5:5
   |
 5 |     --important1: value!important;
@@ -185,7 +203,13 @@ error: Declaration
 6 |     --important2: value !important;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/custom-property/input.css:6:5
+  |
+6 |     --important2: value !important;
+  |     ^^^^^^^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/value/custom-property/input.css:6:5
   |
 6 |     --important2: value !important;
@@ -227,7 +251,13 @@ error: Declaration
 7 |     --important3:value !important;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/custom-property/input.css:7:5
+  |
+7 |     --important3:value !important;
+  |     ^^^^^^^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/value/custom-property/input.css:7:5
   |
 7 |     --important3:value !important;
@@ -263,7 +293,13 @@ error: Declaration
 8 |     --important4: calc(1)!important;
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/custom-property/input.css:8:5
+  |
+8 |     --important4: calc(1)!important;
+  |     ^^^^^^^^^^^^
+
+error: DashedIdent
  --> $DIR/tests/fixture/value/custom-property/input.css:8:5
   |
 8 |     --important4: calc(1)!important;
@@ -311,7 +347,13 @@ error: Declaration
 10 |     --empty: ;
    |     ^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:10:5
+   |
+10 |     --empty: ;
+   |     ^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:10:5
    |
 10 |     --empty: ;
@@ -341,7 +383,13 @@ error: Declaration
 11 |     --empty2: /**/;
    |     ^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:11:5
+   |
+11 |     --empty2: /**/;
+   |     ^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:11:5
    |
 11 |     --empty2: /**/;
@@ -371,7 +419,13 @@ error: Declaration
 12 |     --empty3: !important;
    |     ^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:12:5
+   |
+12 |     --empty3: !important;
+   |     ^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:12:5
    |
 12 |     --empty3: !important;
@@ -401,7 +455,13 @@ error: Declaration
 13 |     --empty4:/**/ !important;
    |     ^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:13:5
+   |
+13 |     --empty4:/**/ !important;
+   |     ^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:13:5
    |
 13 |     --empty4:/**/ !important;
@@ -431,7 +491,13 @@ error: Declaration
 14 |     --empty5:/* 1 */ /* 2 */;
    |     ^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:14:5
+   |
+14 |     --empty5:/* 1 */ /* 2 */;
+   |     ^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:14:5
    |
 14 |     --empty5:/* 1 */ /* 2 */;
@@ -461,7 +527,13 @@ error: Declaration
 16 |     --no-whitespace:ident;
    |     ^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:16:5
+   |
+16 |     --no-whitespace:ident;
+   |     ^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:16:5
    |
 16 |     --no-whitespace:ident;
@@ -491,7 +563,13 @@ error: Declaration
 17 |     --number: 1;
    |     ^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:17:5
+   |
+17 |     --number: 1;
+   |     ^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:17:5
    |
 17 |     --number: 1;
@@ -527,7 +605,13 @@ error: Declaration
 18 |     --unit: 100vw;
    |     ^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:18:5
+   |
+18 |     --unit: 100vw;
+   |     ^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:18:5
    |
 18 |     --unit: 100vw;
@@ -563,7 +647,13 @@ error: Declaration
 19 |     --color: #06c;
    |     ^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:19:5
+   |
+19 |     --color: #06c;
+   |     ^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:19:5
    |
 19 |     --color: #06c;
@@ -599,7 +689,13 @@ error: Declaration
 21 |     --function: calc(1 + 1);
    |     ^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:21:5
+   |
+21 |     --function: calc(1 + 1);
+   |     ^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:21:5
    |
 21 |     --function: calc(1 + 1);
@@ -671,7 +767,13 @@ error: Declaration
 22 |     --variable: var(--unit);
    |     ^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:22:5
+   |
+22 |     --variable: var(--unit);
+   |     ^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:22:5
    |
 22 |     --variable: var(--unit);
@@ -719,7 +821,13 @@ error: Declaration
 24 |     --string: 'single quoted string';
    |     ^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:24:5
+   |
+24 |     --string: 'single quoted string';
+   |     ^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:24:5
    |
 24 |     --string: 'single quoted string';
@@ -755,7 +863,13 @@ error: Declaration
 25 |     --string: "double quoted string";
    |     ^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:25:5
+   |
+25 |     --string: "double quoted string";
+   |     ^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:25:5
    |
 25 |     --string: "double quoted string";
@@ -791,7 +905,13 @@ error: Declaration
 27 |     --square-block: [1, 2, 3];
    |     ^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:27:5
+   |
+27 |     --square-block: [1, 2, 3];
+   |     ^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:27:5
    |
 27 |     --square-block: [1, 2, 3];
@@ -875,7 +995,13 @@ error: Declaration
 28 |     --square-block1: [];
    |     ^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:28:5
+   |
+28 |     --square-block1: [];
+   |     ^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:28:5
    |
 28 |     --square-block1: [];
@@ -917,7 +1043,13 @@ error: Declaration
 29 |     --square-block2:[];
    |     ^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:29:5
+   |
+29 |     --square-block2:[];
+   |     ^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:29:5
    |
 29 |     --square-block2:[];
@@ -953,7 +1085,13 @@ error: Declaration
 30 |     --round-block: (1, 2, 3);
    |     ^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:30:5
+   |
+30 |     --round-block: (1, 2, 3);
+   |     ^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:30:5
    |
 30 |     --round-block: (1, 2, 3);
@@ -1037,7 +1175,13 @@ error: Declaration
 31 |     --round-block1: ();
    |     ^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:31:5
+   |
+31 |     --round-block1: ();
+   |     ^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:31:5
    |
 31 |     --round-block1: ();
@@ -1079,7 +1223,13 @@ error: Declaration
 32 |     --round-block2:();
    |     ^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:32:5
+   |
+32 |     --round-block2:();
+   |     ^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:32:5
    |
 32 |     --round-block2:();
@@ -1115,7 +1265,13 @@ error: Declaration
 33 |     --bracket-block: {1, 2, 3};
    |     ^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:33:5
+   |
+33 |     --bracket-block: {1, 2, 3};
+   |     ^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:33:5
    |
 33 |     --bracket-block: {1, 2, 3};
@@ -1199,7 +1355,13 @@ error: Declaration
 34 |     --bracket-block1: {};
    |     ^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:34:5
+   |
+34 |     --bracket-block1: {};
+   |     ^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:34:5
    |
 34 |     --bracket-block1: {};
@@ -1241,7 +1403,13 @@ error: Declaration
 35 |     --bracket-block2:{};
    |     ^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:35:5
+   |
+35 |     --bracket-block2:{};
+   |     ^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:35:5
    |
 35 |     --bracket-block2:{};
@@ -1277,7 +1445,13 @@ error: Declaration
 38 |     --JSON: [1, "2", {"three": {"a":1}}, [4]];
    |     ^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:38:5
+   |
+38 |     --JSON: [1, "2", {"three": {"a":1}}, [4]];
+   |     ^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:38:5
    |
 38 |     --JSON: [1, "2", {"three": {"a":1}}, [4]];
@@ -1445,7 +1619,13 @@ error: Declaration
 39 |     --javascript: function(rule) { console.log(rule) };
    |     ^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:39:5
+   |
+39 |     --javascript: function(rule) { console.log(rule) };
+   |     ^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:39:5
    |
 39 |     --javascript: function(rule) { console.log(rule) };
@@ -1553,7 +1733,13 @@ error: Declaration
 41 |     --CDO: <!--;
    |     ^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:41:5
+   |
+41 |     --CDO: <!--;
+   |     ^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:41:5
    |
 41 |     --CDO: <!--;
@@ -1589,7 +1775,13 @@ error: Declaration
 42 |     --CDC: -->;
    |     ^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:42:5
+   |
+42 |     --CDC: -->;
+   |     ^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:42:5
    |
 42 |     --CDC: -->;
@@ -1625,7 +1817,13 @@ error: Declaration
 44 |     --complex-balanced:{[({()})()()[({})]]}[{()}]([]);
    |     ^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:44:5
+   |
+44 |     --complex-balanced:{[({()})()()[({})]]}[{()}]([]);
+   |     ^^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:44:5
    |
 44 |     --complex-balanced:{[({()})()()[({})]]}[{()}]([]);
@@ -1829,7 +2027,13 @@ error: Declaration
 45 |     --fake-important:{!important};
    |     ^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:45:5
+   |
+45 |     --fake-important:{!important};
+   |     ^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:45:5
    |
 45 |     --fake-important:{!important};
@@ -1877,7 +2081,13 @@ error: Declaration
 46 |     --semicolon-not-top-level: (;);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:46:5
+   |
+46 |     --semicolon-not-top-level: (;);
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:46:5
    |
 46 |     --semicolon-not-top-level: (;);
@@ -1925,7 +2135,13 @@ error: Declaration
 47 |     --delim-not-top-level: (!);
    |     ^^^^^^^^^^^^^^^^^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:47:5
+   |
+47 |     --delim-not-top-level: (!);
+   |     ^^^^^^^^^^^^^^^^^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:47:5
    |
 47 |     --delim-not-top-level: (!);
@@ -2027,7 +2243,13 @@ error: Declaration
 50 | :root{--a:1}
    |       ^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:50:7
+   |
+50 | :root{--a:1}
+   |       ^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:50:7
    |
 50 | :root{--a:1}
@@ -2111,7 +2333,13 @@ error: Declaration
 51 | :root {--foo: }
    |        ^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:51:8
+   |
+51 | :root {--foo: }
+   |        ^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:51:8
    |
 51 | :root {--foo: }
@@ -2203,7 +2431,13 @@ error: Declaration
 54 | | }
    | |_
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/custom-property/input.css:53:5
+   |
+53 |     --foo: 
+   |     ^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/custom-property/input.css:53:5
    |
 53 |     --foo: 
diff --git a/crates/swc_css_parser/tests/fixture/value/escaped/span.rust-debug b/crates/swc_css_parser/tests/fixture/value/escaped/span.rust-debug
index 158da090bca..3c6faec83a6 100644
--- a/crates/swc_css_parser/tests/fixture/value/escaped/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/value/escaped/span.rust-debug
@@ -67,6 +67,12 @@ error: Declaration
 2 |     color: \red;
   |     ^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/escaped/input.css:2:5
+  |
+2 |     color: \red;
+  |     ^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/escaped/input.css:2:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/value/quotes/span.rust-debug b/crates/swc_css_parser/tests/fixture/value/quotes/span.rust-debug
index a7ea550d089..4ccc2d87c58 100644
--- a/crates/swc_css_parser/tests/fixture/value/quotes/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/value/quotes/span.rust-debug
@@ -101,6 +101,12 @@ error: Declaration
 2 |     content: "This string is demarcated by double quotes.";
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/quotes/input.css:2:5
+  |
+2 |     content: "This string is demarcated by double quotes.";
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/quotes/input.css:2:5
   |
@@ -125,6 +131,12 @@ error: Declaration
 3 |     content: 'This string is demarcated by single quotes.';
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/quotes/input.css:3:5
+  |
+3 |     content: 'This string is demarcated by single quotes.';
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/quotes/input.css:3:5
   |
@@ -149,6 +161,12 @@ error: Declaration
 4 |     content: "This is a string with \" an escaped double quote.";
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/quotes/input.css:4:5
+  |
+4 |     content: "This is a string with \" an escaped double quote.";
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/quotes/input.css:4:5
   |
@@ -173,6 +191,12 @@ error: Declaration
 5 |     content: "This string also has \22 an escaped double quote.";
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/quotes/input.css:5:5
+  |
+5 |     content: "This string also has \22 an escaped double quote.";
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/quotes/input.css:5:5
   |
@@ -197,6 +221,12 @@ error: Declaration
 6 |     content: 'This is a string with \' an escaped single quote.';
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/quotes/input.css:6:5
+  |
+6 |     content: 'This is a string with \' an escaped single quote.';
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/quotes/input.css:6:5
   |
@@ -221,6 +251,12 @@ error: Declaration
 7 |     content: 'This string also has \27 an escaped single quote.';
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/quotes/input.css:7:5
+  |
+7 |     content: 'This string also has \27 an escaped single quote.';
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/quotes/input.css:7:5
   |
@@ -245,6 +281,12 @@ error: Declaration
 8 |     content: "This is a string with \\ an escaped backslash.";
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/quotes/input.css:8:5
+  |
+8 |     content: "This is a string with \\ an escaped backslash.";
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/quotes/input.css:8:5
   |
@@ -269,6 +311,12 @@ error: Declaration
 9 |     content: "This string also has \22an escaped double quote.";
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/quotes/input.css:9:5
+  |
+9 |     content: "This string also has \22an escaped double quote.";
+  |     ^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/quotes/input.css:9:5
   |
@@ -293,6 +341,12 @@ error: Declaration
 10 |     content: "This string also has \22  an escaped double quote.";
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:10:5
+   |
+10 |     content: "This string also has \22  an escaped double quote.";
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:10:5
    |
@@ -317,6 +371,12 @@ error: Declaration
 11 |     content: "This string has a \Aline break in it.";
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:11:5
+   |
+11 |     content: "This string has a \Aline break in it.";
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:11:5
    |
@@ -342,6 +402,12 @@ error: Declaration
 13 | | awesome string";
    | |_______________^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:12:5
+   |
+12 |     content: "A really long \
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:12:5
    |
@@ -370,6 +436,12 @@ error: Declaration
 14 |     content: ";'@ /**/\"";
    |     ^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:14:5
+   |
+14 |     content: ";'@ /**/\"";
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:14:5
    |
@@ -394,6 +466,12 @@ error: Declaration
 15 |     content: '\'"\\';
    |     ^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:15:5
+   |
+15 |     content: '\'"\\';
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:15:5
    |
@@ -419,6 +497,12 @@ error: Declaration
 17 | | b";
    | |__^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:16:5
+   |
+16 |     content: "a\
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:16:5
    |
@@ -448,6 +532,12 @@ error: Declaration
 19 | | b";
    | |__^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:18:5
+   |
+18 |     content: "a\
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:18:5
    |
@@ -477,6 +567,12 @@ error: Declaration
 21 | | b";
    | |__^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:20:5
+   |
+20 |     content: "a\
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:20:5
    |
@@ -505,6 +601,12 @@ error: Declaration
 22 |     content: "a\b";
    |     ^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:22:5
+   |
+22 |     content: "a\b";
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:22:5
    |
@@ -533,6 +635,12 @@ error: Declaration
 27 | | b";
    | |__^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:23:5
+   |
+23 |     content: "a\
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:23:5
    |
@@ -567,6 +675,12 @@ error: Declaration
 28 |     content: 'a\62 c';
    |     ^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:28:5
+   |
+28 |     content: 'a\62 c';
+   |     ^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:28:5
    |
@@ -681,6 +795,12 @@ error: Declaration
 33 |     color: red;
    |     ^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:33:5
+   |
+33 |     color: red;
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:33:5
    |
@@ -784,6 +904,12 @@ error: Declaration
 36 |     color: red;
    |     ^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/quotes/input.css:36:5
+   |
+36 |     color: red;
+   |     ^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/quotes/input.css:36:5
    |
diff --git a/crates/swc_css_parser/tests/fixture/value/square-brackets/span.rust-debug b/crates/swc_css_parser/tests/fixture/value/square-brackets/span.rust-debug
index 703c844e7d5..4103ba58ced 100644
--- a/crates/swc_css_parser/tests/fixture/value/square-brackets/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/value/square-brackets/span.rust-debug
@@ -83,6 +83,12 @@ error: Declaration
 2 |     prop:  [];
   |     ^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/square-brackets/input.css:2:5
+  |
+2 |     prop:  [];
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/square-brackets/input.css:2:5
   |
@@ -107,6 +113,12 @@ error: Declaration
 3 |     prop:  [ ];
   |     ^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/square-brackets/input.css:3:5
+  |
+3 |     prop:  [ ];
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/square-brackets/input.css:3:5
   |
@@ -131,6 +143,12 @@ error: Declaration
 4 |     prop:  [row1-start];
   |     ^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/square-brackets/input.css:4:5
+  |
+4 |     prop:  [row1-start];
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/square-brackets/input.css:4:5
   |
@@ -167,6 +185,12 @@ error: Declaration
 5 |     prop:  [   row1-start-with-spaces-around   ];
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/square-brackets/input.css:5:5
+  |
+5 |     prop:  [   row1-start-with-spaces-around   ];
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/square-brackets/input.css:5:5
   |
@@ -203,6 +227,12 @@ error: Declaration
 6 |     prop:  [red #fff 12px];
   |     ^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/square-brackets/input.css:6:5
+  |
+6 |     prop:  [red #fff 12px];
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/square-brackets/input.css:6:5
   |
@@ -275,6 +305,12 @@ error: Declaration
 7 |     prop: [row1-start] 25% [row1-end row2-start] 25% [row2-end];
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/square-brackets/input.css:7:5
+  |
+7 |     prop: [row1-start] 25% [row1-end row2-start] 25% [row2-end];
+  |     ^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/square-brackets/input.css:7:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/value/url/output.json b/crates/swc_css_parser/tests/fixture/value/url/output.json
index 64c8d05b7e9..739c1ad808e 100644
--- a/crates/swc_css_parser/tests/fixture/value/url/output.json
+++ b/crates/swc_css_parser/tests/fixture/value/url/output.json
@@ -765,7 +765,7 @@
                         },
                         "values": [
                           {
-                            "type": "Identifier",
+                            "type": "DashedIdentifier",
                             "span": {
                               "start": 712,
                               "end": 719,
@@ -793,7 +793,7 @@
                             },
                             "value": [
                               {
-                                "type": "Identifier",
+                                "type": "DashedIdentifier",
                                 "span": {
                                   "start": 724,
                                   "end": 739,
@@ -971,7 +971,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 823,
                 "end": 828,
@@ -1175,7 +1175,7 @@
                     },
                     "value": [
                       {
-                        "type": "Identifier",
+                        "type": "DashedIdentifier",
                         "span": {
                           "start": 1011,
                           "end": 1016,
diff --git a/crates/swc_css_parser/tests/fixture/value/url/span.rust-debug b/crates/swc_css_parser/tests/fixture/value/url/span.rust-debug
index 8df065fc1c7..751ebabc147 100644
--- a/crates/swc_css_parser/tests/fixture/value/url/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/value/url/span.rust-debug
@@ -83,6 +83,12 @@ error: Declaration
 2 |     background: url(https://example.com/image.png);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/url/input.css:2:5
+  |
+2 |     background: url(https://example.com/image.png);
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/url/input.css:2:5
   |
@@ -125,6 +131,12 @@ error: Declaration
 3 |     background: URL(https://example.com/image.png);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/url/input.css:3:5
+  |
+3 |     background: URL(https://example.com/image.png);
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/url/input.css:3:5
   |
@@ -167,6 +179,12 @@ error: Declaration
 4 |     background: \URL(https://example.com/image.png);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/url/input.css:4:5
+  |
+4 |     background: \URL(https://example.com/image.png);
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/url/input.css:4:5
   |
@@ -209,6 +227,12 @@ error: Declaration
 5 |     background: url("https://example.com/image.png");
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/url/input.css:5:5
+  |
+5 |     background: url("https://example.com/image.png");
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/url/input.css:5:5
   |
@@ -251,6 +275,12 @@ error: Declaration
 6 |     background: url('https://example.com/image.png');
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/url/input.css:6:5
+  |
+6 |     background: url('https://example.com/image.png');
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/url/input.css:6:5
   |
@@ -293,6 +323,12 @@ error: Declaration
 7 |     background: URL('https://example.com/image.png');
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/url/input.css:7:5
+  |
+7 |     background: URL('https://example.com/image.png');
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/url/input.css:7:5
   |
@@ -335,6 +371,12 @@ error: Declaration
 8 |     background: \URL('https://example.com/image.png');
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/url/input.css:8:5
+  |
+8 |     background: \URL('https://example.com/image.png');
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/url/input.css:8:5
   |
@@ -377,6 +419,12 @@ error: Declaration
 9 |     background: url(data:image/png;base64,iRxVB0);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/value/url/input.css:9:5
+  |
+9 |     background: url(data:image/png;base64,iRxVB0);
+  |     ^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/value/url/input.css:9:5
   |
@@ -419,6 +467,12 @@ error: Declaration
 10 |     background: url(#IDofSVGpath);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/url/input.css:10:5
+   |
+10 |     background: url(#IDofSVGpath);
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/url/input.css:10:5
    |
@@ -461,6 +515,12 @@ error: Declaration
 13 |     background: url("//aa.com/img.svg" prefetch);
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/url/input.css:13:5
+   |
+13 |     background: url("//aa.com/img.svg" prefetch);
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/url/input.css:13:5
    |
@@ -515,6 +575,12 @@ error: Declaration
 14 |     background: url("//aa.com/img.svg" foo bar baz func(test));
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/url/input.css:14:5
+   |
+14 |     background: url("//aa.com/img.svg" foo bar baz func(test));
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/url/input.css:14:5
    |
@@ -623,6 +689,12 @@ error: Declaration
 15 |     background: url("http://example.com/image.svg" param(--color var(--primary-color)));
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/url/input.css:15:5
+   |
+15 |     background: url("http://example.com/image.svg" param(--color var(--primary-color)));
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/url/input.css:15:5
    |
@@ -695,7 +767,7 @@ error: Value
 15 |     background: url("http://example.com/image.svg" param(--color var(--primary-color)));
    |                                                          ^^^^^^^
 
-error: Ident
+error: DashedIdent
   --> $DIR/tests/fixture/value/url/input.css:15:58
    |
 15 |     background: url("http://example.com/image.svg" param(--color var(--primary-color)));
@@ -725,7 +797,7 @@ error: Value
 15 |     background: url("http://example.com/image.svg" param(--color var(--primary-color)));
    |                                                                      ^^^^^^^^^^^^^^^
 
-error: Ident
+error: DashedIdent
   --> $DIR/tests/fixture/value/url/input.css:15:70
    |
 15 |     background: url("http://example.com/image.svg" param(--color var(--primary-color)));
@@ -737,6 +809,12 @@ error: Declaration
 17 |     background: url();
    |     ^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/url/input.css:17:5
+   |
+17 |     background: url();
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/url/input.css:17:5
    |
@@ -779,6 +857,12 @@ error: Declaration
 18 |     background: url("");
    |     ^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/url/input.css:18:5
+   |
+18 |     background: url("");
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/url/input.css:18:5
    |
@@ -821,6 +905,12 @@ error: Declaration
 19 |     background: url('');
    |     ^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/url/input.css:19:5
+   |
+19 |     background: url('');
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/url/input.css:19:5
    |
@@ -863,7 +953,13 @@ error: Declaration
 21 |     --foo: "http://www.example.com/pinkish.gif";
    |     ^^^^^^^
 
-error: Ident
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/url/input.css:21:5
+   |
+21 |     --foo: "http://www.example.com/pinkish.gif";
+   |     ^^^^^
+
+error: DashedIdent
   --> $DIR/tests/fixture/value/url/input.css:21:5
    |
 21 |     --foo: "http://www.example.com/pinkish.gif";
@@ -899,6 +995,12 @@ error: Declaration
 23 |     background: src("http://www.example.com/pinkish.gif");
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/url/input.css:23:5
+   |
+23 |     background: src("http://www.example.com/pinkish.gif");
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/url/input.css:23:5
    |
@@ -941,6 +1043,12 @@ error: Declaration
 24 |     background: SRC("http://www.example.com/pinkish.gif");
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/url/input.css:24:5
+   |
+24 |     background: SRC("http://www.example.com/pinkish.gif");
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/url/input.css:24:5
    |
@@ -983,6 +1091,12 @@ error: Declaration
 25 |     background: src(var(--foo));
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+  --> $DIR/tests/fixture/value/url/input.css:25:5
+   |
+25 |     background: src(var(--foo));
+   |     ^^^^^^^^^^
+
 error: Ident
   --> $DIR/tests/fixture/value/url/input.css:25:5
    |
@@ -1031,7 +1145,7 @@ error: Value
 25 |     background: src(var(--foo));
    |                         ^^^^^
 
-error: Ident
+error: DashedIdent
   --> $DIR/tests/fixture/value/url/input.css:25:25
    |
 25 |     background: src(var(--foo));
diff --git a/crates/swc_css_parser/tests/fixture/vercel/001/span.rust-debug b/crates/swc_css_parser/tests/fixture/vercel/001/span.rust-debug
index ab961bd1d7a..d8f706401d1 100644
--- a/crates/swc_css_parser/tests/fixture/vercel/001/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/vercel/001/span.rust-debug
@@ -85,6 +85,12 @@ error: Declaration
 2 |     margin-right: 0;
   |     ^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/vercel/001/input.css:2:5
+  |
+2 |     margin-right: 0;
+  |     ^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/vercel/001/input.css:2:5
   |
diff --git a/crates/swc_css_parser/tests/fixture/vercel/002/span.rust-debug b/crates/swc_css_parser/tests/fixture/vercel/002/span.rust-debug
index 62148836fb3..c81169bf20c 100644
--- a/crates/swc_css_parser/tests/fixture/vercel/002/span.rust-debug
+++ b/crates/swc_css_parser/tests/fixture/vercel/002/span.rust-debug
@@ -73,6 +73,12 @@ error: Declaration
 2 |     -webkit-mask-image: -webkit-radial-gradient(circle, white, black);
   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
+error: DeclarationProperty
+ --> $DIR/tests/fixture/vercel/002/input.css:2:5
+  |
+2 |     -webkit-mask-image: -webkit-radial-gradient(circle, white, black);
+  |     ^^^^^^^^^^^^^^^^^^
+
 error: Ident
  --> $DIR/tests/fixture/vercel/002/input.css:2:5
   |
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/import/empty/output.json b/crates/swc_css_parser/tests/recovery/at-rule/import/empty/output.json
index 173177c65f5..2f5f4a90dcf 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/import/empty/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/import/empty/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 8,
+          "start": 1,
+          "end": 7,
           "ctxt": 0
         },
         "value": "import",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/import/indent/output.json b/crates/swc_css_parser/tests/recovery/at-rule/import/indent/output.json
index 8f4c6a99ba9..c78cfa79ddf 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/import/indent/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/import/indent/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 8,
+          "start": 1,
+          "end": 7,
           "ctxt": 0
         },
         "value": "import",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/import/no-semi/output.json b/crates/swc_css_parser/tests/recovery/at-rule/import/no-semi/output.json
index 41bfe44a6f2..3984ae4f915 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/import/no-semi/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/import/no-semi/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 23,
+          "start": 1,
+          "end": 7,
           "ctxt": 0
         },
         "value": "import",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-1/output.json b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-1/output.json
index 3f4d46922cf..d8dcb288881 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-1/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-1/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 15,
+          "start": 1,
+          "end": 10,
           "ctxt": 0
         },
         "value": "keyframes",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-2/output.json b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-2/output.json
index 750e7462fea..9449bb349cd 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-2/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-2/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 18,
+          "start": 1,
+          "end": 10,
           "ctxt": 0
         },
         "value": "keyframes",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-3/output.json b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-3/output.json
index 651c624ce34..76f9edbd12b 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-3/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-3/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 16,
+          "start": 1,
+          "end": 10,
           "ctxt": 0
         },
         "value": "keyframes",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-4/output.json b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-4/output.json
index b9523b24966..3fa262eb9d3 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-4/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident-4/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 18,
+          "start": 1,
+          "end": 10,
           "ctxt": 0
         },
         "value": "keyframes",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident/output.json b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident/output.json
index 1bb20210603..b4fb069fc4a 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/custom-ident/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 18,
+          "start": 1,
+          "end": 10,
           "ctxt": 0
         },
         "value": "keyframes",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/empty-name/output.json b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/empty-name/output.json
index dedf121b2b8..fe58ae18b8d 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/empty-name/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/empty-name/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 11,
+          "start": 1,
+          "end": 10,
           "ctxt": 0
         },
         "value": "keyframes",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/keyframe-number/output.json b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/keyframe-number/output.json
index 67a79e83a23..94a74474754 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/keyframes/keyframe-number/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/keyframes/keyframe-number/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 18,
+          "start": 1,
+          "end": 10,
           "ctxt": 0
         },
         "value": "keyframes",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/layer/block/output.json b/crates/swc_css_parser/tests/recovery/at-rule/layer/block/output.json
index 2dab80560c7..6e30f7918f5 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/layer/block/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/layer/block/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 40,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "layer",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/layer/empty/output.json b/crates/swc_css_parser/tests/recovery/at-rule/layer/empty/output.json
index 3268633bf08..e91037c1263 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/layer/empty/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/layer/empty/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 7,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "layer",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/layer/string-name-block/output.json b/crates/swc_css_parser/tests/recovery/at-rule/layer/string-name-block/output.json
index 359b2085168..46088c2300b 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/layer/string-name-block/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/layer/string-name-block/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 7,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "layer",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/layer/string-name-statement/output.json b/crates/swc_css_parser/tests/recovery/at-rule/layer/string-name-statement/output.json
index a2bca204fdf..00622592aec 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/layer/string-name-statement/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/layer/string-name-statement/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 7,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "layer",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/condition-1/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/condition-1/output.json
index 39a68e9b8b1..f16f9a70ee5 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/condition-1/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/condition-1/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 40,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/condition-and-or/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/condition-and-or/output.json
index f3e45cc1b43..67c24df802b 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/condition-and-or/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/condition-and-or/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 37,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/condition/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/condition/output.json
index bfa4ee96cf1..7195f109b1b 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/condition/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/condition/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 22,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name-1/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name-1/output.json
index d7b2891bde8..fe01789ec54 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name-1/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name-1/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 14,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name-2/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name-2/output.json
index 0ef58c1c44e..ef81ae9873b 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name-2/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name-2/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 8,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name/output.json
index f6a9ecf9932..1c7e2700ff0 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-name/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 8,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-1/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-1/output.json
index 5dbb0fc65a4..45e5378315b 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-1/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-1/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 16,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-2/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-2/output.json
index 7d50ccdb366..500f2509431 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-2/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-2/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 16,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-3/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-3/output.json
index b86a492fb52..e259674c4e9 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-3/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-3/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 16,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-4/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-4/output.json
index fad1f526155..3eee4e3651c 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-4/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-4/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 24,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-5/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-5/output.json
index 34d85ad7215..3d65dcc13ce 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-5/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-5/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 32,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-6/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-6/output.json
index d04ff657344..a3f5ee2d04f 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-6/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range-6/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 32,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range/output.json
index f69ee57b14d..79c38000bda 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/feature-range/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 15,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/feature/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/feature/output.json
index a751983e77b..2c00e18a247 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/feature/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/feature/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 18,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/media/ratio/output.json b/crates/swc_css_parser/tests/recovery/at-rule/media/ratio/output.json
index d4b278cf58b..ef0bd8a9388 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/media/ratio/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/media/ratio/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 25,
+          "start": 1,
+          "end": 6,
           "ctxt": 0
         },
         "value": "media",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/supports/no-parens/output.json b/crates/swc_css_parser/tests/recovery/at-rule/supports/no-parens/output.json
index f91098ca6db..eda105d13ee 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/supports/no-parens/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/supports/no-parens/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 10,
+          "start": 1,
+          "end": 9,
           "ctxt": 0
         },
         "value": "supports",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/supports/wrong-or-and/output.json b/crates/swc_css_parser/tests/recovery/at-rule/supports/wrong-or-and/output.json
index ca13cfbfd97..4f231606941 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/supports/wrong-or-and/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/supports/wrong-or-and/output.json
@@ -16,8 +16,8 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
-          "end": 64,
+          "start": 1,
+          "end": 9,
           "ctxt": 0
         },
         "value": "supports",
diff --git a/crates/swc_css_parser/tests/recovery/at-rule/unknown/output.json b/crates/swc_css_parser/tests/recovery/at-rule/unknown/output.json
index 991372db9d5..b001b762c43 100644
--- a/crates/swc_css_parser/tests/recovery/at-rule/unknown/output.json
+++ b/crates/swc_css_parser/tests/recovery/at-rule/unknown/output.json
@@ -16,7 +16,7 @@
       "name": {
         "type": "Identifier",
         "span": {
-          "start": 0,
+          "start": 1,
           "end": 17,
           "ctxt": 0
         },
diff --git a/crates/swc_css_parser/tests/recovery/value/url/output.json b/crates/swc_css_parser/tests/recovery/value/url/output.json
index 120189f4ec6..f0f871be6ca 100644
--- a/crates/swc_css_parser/tests/recovery/value/url/output.json
+++ b/crates/swc_css_parser/tests/recovery/value/url/output.json
@@ -78,7 +78,7 @@
               "ctxt": 0
             },
             "property": {
-              "type": "Identifier",
+              "type": "DashedIdentifier",
               "span": {
                 "start": 10,
                 "end": 15,
diff --git a/crates/swc_css_visit/src/lib.rs b/crates/swc_css_visit/src/lib.rs
index 88d00af1ce3..f4df5e21b10 100644
--- a/crates/swc_css_visit/src/lib.rs
+++ b/crates/swc_css_visit/src/lib.rs
@@ -39,6 +39,12 @@ define!({
         pub raw: JsWord,
     }
 
+    pub struct DashedIdent {
+        pub span: Span,
+        pub value: JsWord,
+        pub raw: JsWord,
+    }
+
     pub struct Str {
         pub span: Span,
         pub value: JsWord,
@@ -51,9 +57,14 @@ define!({
         pub raw: JsWord,
     }
 
+    pub enum DeclarationProperty {
+        Ident(Ident),
+        DashedIdent(DashedIdent),
+    }
+
     pub struct Declaration {
         pub span: Span,
-        pub property: Ident,
+        pub property: DeclarationProperty,
         pub value: Vec<Value>,
         pub important: Option<Span>,
     }
@@ -96,6 +107,8 @@ define!({
 
         Ident(Ident),
 
+        DashedIdent(DashedIdent),
+
         Str(Str),
 
         Function(Function),
@@ -339,6 +352,7 @@ define!({
         Namespace(NamespaceRule),
         Viewport(ViewportRule),
         Document(DocumentRule),
+        ColorProfile(ColorProfileRule),
         Unknown(UnknownAtRule),
     }
 
@@ -391,9 +405,14 @@ define!({
         pub block: Block,
     }
 
+    pub enum AtRuleName {
+        DashedIdent(DashedIdent),
+        Ident(Ident),
+    }
+
     pub struct UnknownAtRule {
         pub span: Span,
-        pub name: Ident,
+        pub name: AtRuleName,
         pub prelude: Vec<Value>,
         pub block: Option<SimpleBlock>,
     }
@@ -634,4 +653,15 @@ define!({
     pub enum SupportsFeature {
         Declaration(Declaration),
     }
+
+    pub enum ColorProfileName {
+        DashedIdent(DashedIdent),
+        Ident(Ident),
+    }
+
+    pub struct ColorProfileRule {
+        pub span: Span,
+        pub name: ColorProfileName,
+        pub block: Vec<DeclarationBlockItem>,
+    }
 });
diff --git a/crates/swc_stylis/src/prefixer.rs b/crates/swc_stylis/src/prefixer.rs
index f902255b295..0e854fb2ad5 100644
--- a/crates/swc_stylis/src/prefixer.rs
+++ b/crates/swc_stylis/src/prefixer.rs
@@ -51,11 +51,11 @@ impl Prefixer {
 
                     self.added.push(Declaration {
                         span: DUMMY_SP,
-                        property: Ident {
+                        property: DeclarationProperty::Ident(Ident {
                             span: DUMMY_SP,
                             value: "cursor".into(),
                             raw: "cursor".into(),
-                        },
+                        }),
                         value: {
                             let val = Value::Comma(CommaValues {
                                 span: DUMMY_SP,
@@ -96,13 +96,14 @@ impl VisitMut for Prefixer {
                     value: $val.into(),
                     raw: $val.into(),
                 });
+                let property = DeclarationProperty::Ident(Ident {
+                    span: DUMMY_SP,
+                    value: $property.into(),
+                    raw: $property.into(),
+                });
                 self.added.push(Declaration {
                     span: n.span,
-                    property: Ident {
-                        span: n.property.span,
-                        value: $property.into(),
-                        raw: $property.into(),
-                    },
+                    property,
                     value: vec![val],
                     important: n.important.clone(),
                 });
@@ -111,13 +112,15 @@ impl VisitMut for Prefixer {
 
         macro_rules! same_content {
             ($property:expr) => {{
+                let property = DeclarationProperty::Ident(Ident {
+                    span: DUMMY_SP,
+                    value: $property.into(),
+                    raw: $property.into(),
+                });
+
                 self.added.push(Declaration {
                     span: n.span,
-                    property: Ident {
-                        span: n.property.span,
-                        value: $property.into(),
-                        raw: $property.into(),
-                    },
+                    property,
                     value: n.value.clone(),
                     important: n.important.clone(),
                 });
@@ -141,7 +144,23 @@ impl VisitMut for Prefixer {
             }};
         }
 
-        match &*n.property.value {
+        let is_dashed_ident = match n.property {
+            DeclarationProperty::Ident(_) => false,
+            DeclarationProperty::DashedIdent(_) => true,
+        };
+
+        if is_dashed_ident {
+            return;
+        }
+
+        let name = match &n.property {
+            DeclarationProperty::Ident(i) => &*i.value,
+            _ => {
+                unreachable!();
+            }
+        };
+
+        match name {
             "appearance" => {
                 same_content!("-webkit-appearance");
                 same_content!("-moz-appearance");
@@ -488,13 +507,14 @@ impl VisitMut for Prefixer {
             "transition" => {
                 let mut value = n.value.clone();
                 replace_ident(&mut value, "transform", "-webkit-transform");
+                let property = DeclarationProperty::Ident(Ident {
+                    span: DUMMY_SP,
+                    value: "-webkit-transition".into(),
+                    raw: "-webkit-transition".into(),
+                });
                 self.added.push(Declaration {
                     span: n.span,
-                    property: Ident {
-                        span: n.property.span,
-                        value: "-webkit-transition".into(),
-                        raw: "-webkit-transition".into(),
-                    },
+                    property,
                     value,
                     important: n.important,
                 });