28 lines
1 KiB
HTML
28 lines
1 KiB
HTML
<!DOCTYPE html>
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<title>CSS Transitions Test: Transition pseudo element with ancestor display change</title>
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<link rel="author" title="Rune Lillesveen" href="mailto:futhark@chromium.org">
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<link rel="help" href="https://drafts.csswg.org/css-transitions/#starting">
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<link rel="help" href="https://drafts.csswg.org/css-transitions/#transition-property-property">
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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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#inner::before {
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content: "This text should transition from red to green.";
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height: 100px;
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transition: height steps(2, start) 1s;
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}
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.flex #inner::before {
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height: 300px;
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}
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.flex { display: flex }
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</style>
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<div id="outer">
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<div id="inner"></div>
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</div>
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<script>
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test(() => {
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assert_equals(getComputedStyle(inner, "::before").height, "100px");
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outer.className = "flex";
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assert_equals(getComputedStyle(inner, "::before").height, "200px");
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}, "Check that transitions run on a pseudo element whose ancestor changes display type.");
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</script>
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