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- Update CSS tests to revision e05bfd5e30ed662c2f8a353577003f8eed230180. - Update web-platform-tests to revision a052787dd5c069a340031011196b73affbd68cd9.
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1.1 KiB
HTML
22 lines
No EOL
1.1 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta charset="utf-8" />
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<title>CSS will-change: 'will-change: z-index' creates a stacking context</title>
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<link href="https://dbaron.org/" rel="author" title="L. David Baron" />
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<link href="http://www.mozilla.org/" rel="author" title="Mozilla" />
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<link href="https://drafts.csswg.org/css-will-change-1/#will-change" rel="help" />
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<link href="http://www.w3.org/TR/css3-positioning/#layered-presentation" rel="help" />
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<link href="reference/green-square-100-by-100-ref.xht" rel="match" />
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<meta content="If any non-initial value of a property would create a stacking context on the element, specifying that property in will-change must create a stacking context on the element." name="assert" />
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<style>
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html, body { margin: 0; padding: 0; }
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div { width: 100px; height: 100px }
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#wc { will-change: z-index; background: red }
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#child { position: absolute; top: 0; left: 0; z-index: -1; background: green }
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</style>
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</head><body>
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<div id="wc">
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<div id="child">
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</div>
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</div>
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</body></html> |