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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 xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>CSS Test: Margin collapsing - margins of a 'collapsed through' box without clearance can collapse with parent block's bottom margin</title>
<link rel="help" href="http://www.w3.org/TR/CSS21/box.html#collapsing-margins" />
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
<link rel="author" title="Daniel Schattenkirchner" href="mailto:crazy-daniel@gmx.de" />
<link rel="match" href="margin-collapse-clear-016-ref.xht" />
<meta content="An element that does not have clearance applied to it can collapse its top margin with its parent block's bottom margin. Margins of a 'collapsed through' box without clearance applied to it can collapse with its parent block's bottom margin. An element with clear set to it (to other than 'none') can only create a clearance if and when there is a preceding floated block." name="assert" />
<style type="text/css"><![CDATA[
body
{
background-color: white;
}
#parent-block
{
background-color: red;
margin-bottom: 0px;
}
#sibling
{
background-color: green;
height: 100px;
}
#element-without-clearance-applied
{
clear: both;
margin-top: 100px;
}
]]></style>
</head>
<body>
<p>Test passes if there is a wide filled green rectangle and <strong>no red</strong>.</p>
<div id="parent-block">
<div id="sibling"></div>
<div id="element-without-clearance-applied"></div>
</div>
<!--
#element-without-clearance-applied's margin-top collapses
with #parent-block's margin-bottom: the resulting margin-bottom
then collapses with the adjoining white body's margin-bottom
-->
</body>
</html>
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