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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-contain/contain-paint-ignored-cases-ruby-stacking-and-clipping-001.html - WPT Dashboard Interop Dashboard
<!doctype html>
<html lang=en>
<head>
<meta charset=utf-8>
<title>CSS-contain test: paint containment on internal ruby elements.</title>
<link rel="author" title="Yusuf Sermet" href="mailto:ysermet@mozilla.com">
<link rel="match" href="contain-paint-ignored-cases-ruby-stacking-and-clipping-001-ref.html">
<meta name="assert" content="Paint containment should not apply to ruby base, ruby base container, ruby text, and ruby text container. This test confirms that contain:paint does not create a stacking context and does not apply overflow clipping.">
<style>
div {
position: relative;
}
rb,
rbc,
rt,
rtc {
contain: paint;
}
rbc {
display: ruby-base-container;
}
.contained {
z-index: 5;
width: 70px;
height: 10px;
background-color: blue;
margin-left: -25px;
}
.background {
background-color: yellow;
height: 50px;
width: 50px;
position: fixed;
z-index: 2;
}
.group {
display: inline-block;
}
</style>
</head>
<body>
<div class="group">
<div class="background"></div>
<ruby><rb> <div class="contained"></div></rb></ruby>
</div>
<div class="group">
<div class="background"></div>
<ruby><rbc> <div class="contained"></div></rbc></ruby>
</div>
<div class="group">
<div class="background"></div>
<ruby><rt> <div class="contained"></div></rt></ruby>
</div>
<div class="group">
<div class="background"></div>
<ruby><rtc> <div class="contained"></div></rtc></ruby>
</div>
</body>
</html>