mozilla-central/testing/web-platform/tests/css/compositing/mix-blend-mode/mix-blend-mode-intermediate-element-overflow-hidden-and-border-radius.html

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  • This WPT test may be referenced by the following Test IDs:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Test: mix-blend-mode between an element and its child having overflow:hidden and border-radius, when the blending element overlaps a sibling element</title>
<link rel="author" title="Mirela Budăeș" href="mailto:mbudaes@adobe.com">
<link rel="author" title="Ion Roșca" href="mailto:rosca@adobe.com">
<link rel="reviewer" title="Mihai Țică" href="mailto:mitica@adobe.com">
<meta name="assert" content="Test checks that the element with mix-blend-mode, overflow:hidden and border-radius blends correctly with its parent, as well as with the sibling element where they overlap.">
<meta name="fuzzy" content="0-10;0-50">
<link rel="match" href="reference/mix-blend-mode-intermediate-element-overflow-hidden-and-border-radius-ref.html">
<style type="text/css">
.parent {
background: aqua;/*rgb(0,255,255);*/
width: 150px;
height: 150px;
position: relative;
z-index: 1;
}
.blended {
background: fuchsia;
width: 150px;
height: 75px;
margin-top: -75px;
mix-blend-mode: difference;
}
.siblingOfBlended {
background: yellow;/*rgb(255,255,0);*/
width: 150px;
height: 150px;
overflow: hidden;
border-radius: 2em 2em;
}
</style>
</head>
<body>
<p> This test passes if you can see a rectangle split in two pieces: the top half is yellow with aqua rounded borders and the bottom half is aqua with yellow borders.</p>
<div class="parent">
<div class="siblingOfBlended"></div>
<div class="blended">
</div>
</div>
</body>
</html>