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contain-paint-stacking-context-001b.html
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contain-paint-stacking-context-001b.html
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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>CSS Test: 'will-change: contain' with stacking contents. Z-index is defined only for siblings and children.</title>
<link rel="author" title="Yusuf Sermet" href="mailto:ysermet@mozilla.com">
<link rel="help" href="https://drafts.csswg.org/css2/visuren.html#x43">
<link rel="help" href="https://drafts.csswg.org/css-contain/#containment-paint">
<link rel="match" href="contain-paint-stacking-context-001-ref.html">
<style>
div {
position: relative;
width: 100px;
}
#div1,
#div3 {
background-color: #cfc;
}
#div1 {
z-index: 5;
}
#div2 {
will-change: contain;
background-color: #fdd;
height: 100px;
top: -20px;
}
#div2_1 {
background-color: #ffc;
z-index: 6;
top: -10px;
}
#div2_2 {
z-index: 3;
position: absolute;
top: -15px;
width: 40px;
height: 100px;
background-color: #ddf;
}
#div3 {
z-index: 2;
top: -50px;
}
</style>
</head>
<body>
<div id="div1">
<br/><br/>
</div>
<div id="div2">
<div id="div2_1">
<br/><br/>
</div>
<div id="div2_2">
</div>
</div>
<div id="div3">
<br/><br/>
</div>
</body>
</html>