51 lines
1.3 KiB
HTML
51 lines
1.3 KiB
HTML
<!DOCTYPE html>
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<title>@scope - inner @layer</title>
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<link rel="help" href="https://drafts.csswg.org/css-cascade-6/#scope-atrule">
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<link rel="help" href="https://drafts.csswg.org/css-cascade-5/#layering">
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<link rel="help" href="https://drafts.csswg.org/css-cascade-5/#scope-scope">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style>
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@scope (.a) {
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/* The theme layer wins over the base layer. Note that @layer statements
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are allowed here, but aren't affected by the enclosing @scope. */
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@layer base, theme;
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@layer theme {
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:scope {
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z-index: 1;
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}
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.b {
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background-color: green;
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}
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}
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}
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@layer base {
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.a {
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z-index: 0;
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}
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.a .b {
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background-color: red;
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}
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}
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</style>
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<main>
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<div class=a>
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<div class=b>
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</div>
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</div>
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<div class=b></div>
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</main>
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<script>
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test(() => {
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let a = document.querySelector('main > .a');
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let b = document.querySelector('main > .a > .b');
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assert_equals(getComputedStyle(a).zIndex, '1');
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assert_equals(getComputedStyle(b).backgroundColor, 'rgb(0, 128, 0)');
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let out_of_scope_b = document.querySelector('main > .b');
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assert_equals(getComputedStyle(out_of_scope_b).backgroundColor, 'rgba(0, 0, 0, 0)');
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}, 'Style rules within @layer are scoped');
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</script>
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