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Test Info:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<head>
<title>CSS Test: Height percentage - 100% of the initial containing block's height</title>
<link rel="author" title="GĂ©rard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
<link rel="bookmark" href="http://lists.w3.org/Archives/Public/www-style/2012Jan/1176.html" title="[CSS21] min-height: 100% in html, body" />
<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#the-height-property" title="10.5 Content height: the 'height' property" />
<link rel="match" href="height-percentage-003a-ref.xht" />
<meta name="assert" content="The initial containing block has the dimensions of the viewport. A percentage height on the root element is relative to the initial containing block. A 'height: 100%' of the document root element should use all of the document root element's height." />
<style type="text/css"><![CDATA[
html
{
background-color: red;
height: 100%;
}
body, p
{
height: 100%;
margin: 0px;
}
p
{
background-color: green;
color: white;
}
]]></style>
</head>
<body>
<p>Test passes if the background of this page is green and if there is <strong>no red and no vertical scrollbar</strong>.</p>
</body>
</html>