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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>CSS Test: Margin collapsing with floats before self collapsing children with margins not collapsing with parent</title>
<link rel="author" title="Ian Hickson" href="mailto:ian@hixie.ch"/>
<link rel="alternate" href="http://www.hixie.ch/tests/adhoc/css/box/block/margin-collapse/063.html" type="text/html"/>
<link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins"/>
<style type="text/css">
/* This test requires half-decent z-index support */
html { margin: 0; padding: 0; }
body { margin: 0 10px; padding: 0; }
.a { position: absolute; top: 13px; left: 10px; width: 20em; height: 4em; background: red; color: yellow; z-index: -1; }
.b { float: left; width: 20em; height: 4em; background: green; color: white; }
.c1 { margin: 2px; padding-top: 1px; } /* prevent collapsing with parent */
.c2 { margin: -4px 20px; }
.c3 { margin: 0 0 14px; }
.c4 { margin: 50px; }
</style>
</head>
<body>
<div class="c1">
<div class="c2">
<div class="c3"></div>
</div>
</div>
<div class="a">FAIL</div>
<div class="b">This block should be green.</div>
<div class="c4"></div>
</body>
</html>
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