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<!DOCTYPE HTML>
<html>
<title>CSS 2.1 Test Suite: Test for containing block for absolutely positioned elements being initial containing block</title>
<link rel="author" title="Robert O'Callahan" href="mailto:robert@ocallahan.org" />
<body style="margin:0">
<div style="position:fixed; width:50%; height:50%; left:50px; top:50px; border:10px solid black;"></div>
</body>
</html>