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firefox/layout/reftests/css-animations/containing-block-on-visibility-hidden.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>
Transform animation generates a containing block for fixed-pos descendants
even if the animation value is 'transform:none'
</title>
<style>
#parent {
visibility: hidden;
animation: anim 100s step-end;
}
#fixed {
position: fixed;
background-color: green;
height: 100px;
width: 100px;
}
#scroll {
overflow-y: scroll;
overflow-x: hidden;
height: 80px;
width: 100px;
}
@keyframes anim {
0% { transform: none; }
100% { transform: translateX(0px); }
}
</style>
<div id="scroll">
<div id="parent">
<div id="fixed"></div>
</div>
</div>