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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/CSS2/floats-clear/margin-collapse-031.xht - WPT Dashboard Interop Dashboard
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<head>
<title>CSS Test: margin collapsing - child has no clearance</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
<link rel="match" href="margin-collapse-031-ref.xht" />
<meta name="assert" content="The top margin of an in-flow block-level element is adjoining to its first in-flow block-level child's top margin if the element has no top border, no top padding, and the child has no clearance." />
<style type="text/css"><![CDATA[
body
{
background-color: white;
margin: 8px;
}
div#parent-block-container
{
background-color: red;
margin: 0px;
width: 100%;
}
div#child-block
{
background-color: green;
color: white;
margin: 100px 0px;
}
]]></style>
</head>
<body>
<div id="parent-block-container">
<div id="child-block">
Test passes if there is <strong>no red</strong>.
</div>
</div>
</body>
</html>