swc/crates/swc_css_minifier/tests/fixture/compress-declaration/duplication/input.css

a {
    color: red;
    color: red;

    .class {
        color: red;
        color: red;
    }

    @media screen and (min-width: 100px) {
        color: red;
        color: red;
    }

    @supports (display: flex) {
        color: red;
        color: red;

        .other {
            color: red;
            color: red;
        }
    }

    .case-insensitivity {
        color: red;
        COLOR: red;
    }
}

.font {
    > h1 { font-weight: bold }
    > h1 { font-weight: 700 }
}

.class {
    > h1 { font-weight: bold }
    > h1 { font-weight: bold }
}

.other {
    > h1 { font-weight: 700 }
    > h1 { font-weight: 700 }
}

.base {
    color: red;

    .class {
        color: red;
    }

    .class-other {
        color: red;
    }

    @media screen {
        .class {
            color: red;
        }

        .class-other {
            color: red;
        }
    }
}

h1{/*test*/font-weight:bold}
h1{/*test*/font-weight:bold}

.white {
    _color:white;
    color:white
}

h1,h2{font-weight:bold}
h2,h1{font-weight:bold}

.margin{margin:10px 0 10px 0;margin:10px 0}

h1{font-weight:bold;font-weight:bold}
h1{font-weight:bold}

@media print{
    h1 {
        display:block
    }
}
@media print{
    h1 {
        display:block
    }
}

.other {
    & h1 { font-weight: bold }
    & h1 { font-weight: bold }
}

@media print{
    h1, h2 {
        font-weight:bold
    }

    h2, h1{
        font-weight:bold
    }
}

:root {
    --color: red;
    --color: red;
    --Color: red;
}

.class {
    --color: red;
    --color: red;
    --Color: red;

    .nested {
        --color: red;
        --color: red;
        --Color: red;
    }
}