31 lines
865 B
HTML
31 lines
865 B
HTML
<!doctype html>
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<html lang=en>
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<meta charset=utf-8>
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<title>CSS-contain test: paint containment on html prevents writing-mode propagation</title>
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<link rel="author" title="Florian Rivoal" href="https://florian.rivoal.net">
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<meta name=flags content="">
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<meta name=assert content="paint containment on html prevents writing-mode propagation">
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<link rel="match" href="reference/contain-body-w-m-001-ref.html">
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<link rel=help href="https://drafts.csswg.org/css-contain-1/#contain-property">
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<style>
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html::before {
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content: "";
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width: 100px;
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height: 100px;
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background: orange;
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display: block;
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}
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p { writing-mode: horizontal-tb; margin: 0;}
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body {
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margin: 0;
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width: 200px;
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height: 200px;
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writing-mode: vertical-rl;
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}
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html {
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contain: paint;
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}
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</style>
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<p>Test passes if the orange square is in the upper-left corner.
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