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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: Outline-width - outline the box with a -1em solid outline</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
<link rel="help" href="http://www.w3.org/TR/CSS21/ui.html#propdef-outline-width" />
<link rel="help" href="http://www.w3.org/TR/CSS21/ui.html#dynamic-outlines" />
<meta name="flags" content="invalid" />
<meta name="assert" content="The 'outline-width' property does not support a negative length value in 'em' units and is ignored." />
<style type="text/css">
#test
{
margin: 1em 0 0 1em;
outline: solid green;
outline-width: 1em;
outline-width: -1em;
width: 300px;
}
#reference
{
border: solid green 1em;
margin-top: 2em;
width: 300px;
}
</style>
</head>
<body>
<p>Test passes if the two boxes look the same.</p>
<div id="test">Filler Text</div>
<div id="reference">Filler Text</div>
</body>
</html>
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