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+<!DOCTYPE HTML>
+<html>
+<head>
+ <meta charset="utf-8">
+ <title>CSS Test: 'contain: layout' element should contain fixed position elements.</title>
+ <link rel="author" title="Kyle Zentner" href="mailto:zentner.kyle@gmail.com">
+ <link rel="author" title="Morgan Rae Reschenberg" href="mailto:mreschenberg@berkeley.edu">
+ <link rel="help" href="https://drafts.csswg.org/css-contain-1/#containment-layout">
+ <link rel="match" href="contain-paint-containing-block-fixed-001-ref.html">
+ <style>
+ #a {
+ contain: layout;
+ width: 100px;
+ height: 100px;
+ background: red;
+ margin: 50px;
+ }
+ #b {
+ position: fixed;
+ top: 0;
+ left: 0;
+ width: 100px;
+ height: 100px;
+ background: green;
+ }
+ </style>
+</head>
+<body>
+ <div id="a">
+ <div>
+ <div id="b"></div>
+ </div>
+ </div>
+</body>
+</html>