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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-containing-block-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-containing-block-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 contain:paint does not act as a containing block for fixed positioned descendants.">
<style>
rb,
rbc,
rt,
rtc {
contain: paint;
background-color: yellow;
font-size: 2em;
}
rbc {
display: ruby-base-container;
}
.contained {
width: 50px;
height: 10px;
background-color: blue;
top: 0;
left: 0;
position: fixed;
}
.wrapper {
display: inline-block;
}
</style>
</head>
<body>
<div class="wrapper"><ruby><rt> <div class="contained"></div></rt></ruby></div>
<div class="wrapper"><ruby><rtc> <div class="contained"></div></rtc></ruby></div>
<div class="wrapper"><ruby><rb> <div class="contained"></div></rb></ruby></div>
<div class="wrapper"><ruby><rbc> <div class="contained"></div></rbc></ruby></div>
</body>
</html>