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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: background-position - 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/colors.html#background-properties" />
<link rel="help" href="http://www.w3.org/TR/CSS21/syndata.html#length-units" />
<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" />
<link rel="match" href="background-position-002-ref.xht" />
<meta content="ahem image" name="flags" />
<meta content="ex unit is the 'x-height' of the relevant font. 'em' and 'ex' length values when defining 'font-size' property refer to the computed font size of the parent element." name="assert" />
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style type="text/css"><![CDATA[
html {font: 20px/1 Ahem;}
body
{
background: url("support/1x1-lime.png") repeat-y 12.5ex 0;
font-size: 2.5ex;
margin: 80px 0px 8px 8px;
}
p#expected-results {font-family: serif;}
img
{
left: 0px;
position: absolute;
top: 42px;
}
]]></style>
</head>
<body>
<p id="expected-results">A thin green vertical line should appear at exactly 400px<img src="support/ruler-h-200px-400px.png" width="700" height="18" alt="Image download support must be enabled" /></p>
</body>
</html>
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