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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: font-size - ex unit</title>
<link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
<link rel="help" href="http://www.w3.org/TR/CSS21/fonts.html#font-size-props" />
<link rel="help" href="http://www.w3.org/TR/css-fonts-3/#font-size-prop"/>
<meta name="flags" content="ahem" />
<meta name="assert" content="'em' and 'ex' length values when defining 'font-size' property refer to the computed font size of the parent element." />
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style type="text/css"><![CDATA[
div
{
font-family: Ahem;
line-height: 1;
margin-top: 8px;
}
div#parent {font-size: 40px;}
div#test {font-size: 20px;}
div#control, div#test {font-size: 2.5ex;}
div#control2 {font-size: 80px;}
]]></style>
</head>
<body>
<p>Test passes if the 3 black squares have <strong>the same width and the same height</strong>.</p>
<div id="parent">
<div id="control">C</div>
<div id="test">T</div>
</div>
<div id="control2">2</div>
</body>
</html>
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