Files
sousa-gecko/testing/web-platform/tests/css/css-transforms/transform-style-stacking-context.html
T
Psychpsyo (Cameron) fdf69353da Bug 1999476 [wpt PR 55975] - Add test for transform-style creating a stacking context, a=testonly
Automatic update from web-platform-tests
Add test for transform-style creating a stacking context (#55975)

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wpt-commits: 1c27fe9f5462e2d4a69652ca412f33701941d0c6
wpt-pr: 55975
2025-11-13 15:05:02 +00:00

31 lines
881 B
HTML

<!DOCTYPE HTML>
<title>'transform-style: preserve-3d' establishes a stacking context.</title>
<link rel="author" title="Psychpsyo" href="mailto:psychpsyo@gmail.com">
<link rel="help" href="https://drafts.csswg.org/css-transforms-2/#transform-style-property">
<link rel="match" href="transform-lime-square-ref.html">
<style>
div {
width: 100px;
height: 100px;
}
#front {
background-color: lime;
/* makes a stacking context and puts this on top */
position: absolute;
z-index: 10;
}
#back {
transform-style: preserve-3d;
}
#notOnTop {
background-color: red;
/* z-index is higher than on #front, but this should still be covered up because it is inside #back, which has 'transform-style: preserve-3d' */
position: absolute;
z-index: 1000;
}
</style>
<div id="front"></div>
<div id="back">
<div id="notOnTop"></div>
</div>