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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: Em size with font-size set to ex</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
<link rel="help" href="http://www.w3.org/TR/CSS21/syndata.html#length-units" />
<link rel="help" href="https://www.w3.org/TR/css-values-3/#font-relative-lengths" />
<link rel="match" href="numbers-units-012-ref.xht"/>
<meta name="flags" content="ahem" />
<meta name="assert" content="The 'em' unit is equal to the computed value of the 'font-size' property (ex) of the element on which it is used." />
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style type="text/css">
#parent
{
font: 20px/1 Ahem;
}
#div1
{
font-size: 6ex;
}
#test
{
background: black;
height: 1em;
width: 1em;
}
div
{
margin-top: 5px;
}
#reference
{
background: black;
height: 1in;
width: 1in;
}
</style>
</head>
<body>
<p>Test passes if the three boxes below are the same size.</p>
<div id="parent">
<div id="div1">
<div id="test"></div>
<div>X</div>
<div id="reference"></div>
</div>
</div>
</body>
</html>
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