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firefox/testing/web-platform/tests/css/css-will-change/will-change-transform-inline.html
Daniel Baumann 5e9a113729
Adding upstream version 140.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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HTML

<!doctype html>
<title>will-change: transform shouldn't create a containing block if the box doesn't support transforms</title>
<link rel=author href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
<link rel=author href="https://mozilla.org" title="Mozilla">
<link rel=help href="https://bugzilla.mozilla.org/show_bug.cgi?id=1707170">
<link rel=help href="https://drafts.csswg.org/css-will-change/#will-change">
<link rel=match href="will-change-transform-inline-ref.html">
<style>
#container {
will-change: transform;
}
#child {
position: fixed;
top: 0;
left: 0;
width: 200px;
height: 200px;
background-color: blue;
}
</style>
<div style="height: 200px"></div>
<span id="container">
Child should be positioned relative to the viewport, not relative to me.
<div id="child"></div>
</span>