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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 using 'em' units with a minimum minus one value, -1em</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
<link rel="help" href="http://www.w3.org/TR/CSS21/fonts.html#propdef-font-size" />
<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="../reference/no-red-on-blank-page-ref.xht"/>
<meta name="flags" content="ahem invalid" />
<meta name="assert" content="The 'font-size' property sets a minimum minus one length value in 'em' units is invalid; such 'font-size' declaration should be ignored. Then the 'font-size' property value can be determined by computed font-size of containers and from cascade mechanisms (user, author, user agent)." />
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style type="text/css">
div
{
color: red;
font-family: Ahem;
font-size: 0;
font-size: -1em;
}
</style>
</head>
<body>
<p>Test passes if there is no red visible on the page.</p>
<div>Filler Text</div>
</body>
</html>
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