diff --git a/tests/debug.html b/tests/debug.html
index d564c239..98a7fad2 100644
--- a/tests/debug.html
+++ b/tests/debug.html
@@ -87,10 +87,12 @@
             background-color: #0000003F;
         }
     </style>
-    <!-- style about popup -->
+
+    <!-- popup styling -->
     <style>
         .maplibregl-popup-content {
             overflow-y: auto;
+            padding: 0 10px;
         }
 
         .inspect_popup {
@@ -98,6 +100,10 @@
             display: table;
         }
 
+        .inspect_feature {
+            padding: 10px 0;
+        }
+
         .inspect_feature:not(:last-child) {
             border-bottom: 1px solid #ccc;
         }