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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 with clearance - Margins collapsing of an element's top margin with its first in-flow child should not be affected by clear and clearance</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="Bruno Fassino" href="fassino[at]gmail.com" />
<link rel="match" href="margin-collapse-clear-015-ref.xht" />
<meta content="When an element with clear set to it (to other than 'none') has a first in-flow child and their top margins are adjoining, then these margins should collapse normally." name="assert" />
<style type="text/css"><![CDATA[
#rel-pos-wrapper {position: relative;}
#parent-lime
{
background-color: lime;
border-top: black solid 1px;
width: 50%;
}
#float-left-blue
{
background-color: blue;
float: left;
height: 100px;
width: 100px;
}
#clear-left {clear: left;}
#clear-left > div
{
background-color: aqua;
height: 60px;
margin-top: 140px;
}
#next-yellow
{
background-color: yellow;
height: 100px;
}
.ref-overlapped-red
{
background-color: red;
left: 0;
position: absolute;
z-index: -1;
}
#ref1
{
height: 200px;
top: 1px;
width: 50%;
}
#ref2
{
height: 100px;
top: 201px;
width: 100%;
}
]]></style>
</head>
<body>
<p>Test passes if there is <strong>no red</strong>.</p>
<div id="rel-pos-wrapper">
<div id="parent-lime">
<div id="float-left-blue"></div>
<div id="clear-left">
<div></div>
</div>
</div>
<div id="next-yellow"></div>
<!--
#ref1 and #ref2 boxes create a sort of 'reference rendering'
where #ref1 should be covered, overlapped by #parent-lime
while #ref2 should be covered, overlapped by #next-yellow.
-->
<div id="ref1" class="ref-overlapped-red"></div>
<div id="ref2" class="ref-overlapped-red"></div>
</div>
</body>
</html>
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