servo/tests/wpt/css-tests/compositing-1_dev/xhtml1/mix-blend-mode-blended-element-with-transparent-pixels.xht

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<meta charset="utf-8" />
<title>CSS Test: blending between an element with transparent pixels and a child element</title>
<link href="mailto:mbudaes@adobe.com" rel="author" title="Mirela Budăeș" />
<link href="mailto:mitica@adobe.com" rel="author" title="Mihai Tica" />
<link href="mailto:mibalan@adobe.com" rel="reviewer" title="Mihai Balan" />
<link href="mailto:olaru@adobe.com" rel="reviewer" title="Horia Olaru" />
<link href="https://drafts.fxtf.org/compositing-1/#mix-blend-mode" rel="help" />
<meta content="Test checks that blending is performed with a parent
that creates a stacking context, but not with any of its underlying content.
The element, including its children, must blend with the parent as a whole." name="assert" />
<meta content="" name="flags" />
<link href="reference/mix-blend-mode-blended-element-with-transparent-pixels-ref.xht" rel="match" />
<style type="text/css">
.parent {
position: absolute;
z-index: 1;
background: #00F;
width: 100px;
height: 100px;
margin: 10px;
}
.blender {
width: 120px;
height: 120px;
background: transparent;
mix-blend-mode: difference;
margin: -10px;
}
.blendedChild {
width: 120px;
height: 120px;
background: #0FF;
}
</style>
</head>
<body>
<p>Test passes if you can see a lime square with aqua borders.<br />
If the borders are red, the test fails.</p>
<div class="parent">
<div class="blender">
<div class="blendedChild"></div>
</div>
</div>
</body></html>