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Previously, absolutely positioned elements jumped directly to their containing block's accumulated visual context, skipping effects (opacity, mix-blend-mode, isolation) from intermediate ancestors. Per CSS spec, these properties create stacking contexts that abspos elements cannot escape — they only escape scroll containers and overflow clips.
30 lines
488 B
HTML
30 lines
488 B
HTML
<!DOCTYPE html>
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<link rel="match" href="../expected/abspos-inside-opacity-inside-relpos-ref.html">
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<style>
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body {
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margin: 0;
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background: white;
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}
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.relpos {
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position: relative;
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width: 200px;
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height: 200px;
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}
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.opacity {
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opacity: 0.5;
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}
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.abspos {
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position: absolute;
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top: 0;
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left: 0;
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width: 100px;
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height: 100px;
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background: black;
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}
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</style>
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<div class="relpos">
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<div class="opacity">
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<div class="abspos"></div>
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</div>
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</div>
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