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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: Absolutely positioned non-replaced elements with 'margin-left' and 'margin-right' set to 'auto'</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
<link rel="reviewer" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" /> <!-- 2012-08-31 -->
<link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#abs-non-replaced-width" />
<link rel="match" href="absolute-non-replaced-width-003-ref.xht" />
<meta name="flags" content="ahem" />
<meta name="assert" content="When 'left', 'width' and 'right' are not 'auto', set 'margin-left' and 'margin-right' to equal values." />
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style type="text/css">
#containingblock
{
border: solid black;
height: 200px;
position: relative;
width: 400px;
}
div div
{
/*
left : 100px
+
margin-left : solve
+
border-left-width : 0px
+
padding-left : 0px
+
width : 100px
+
padding-right : 0px
+
border-right-width: 0px
+
margin-right : solve
+
right : -200px
=============================
width of containing block : 400px
*/
background: red;
color: blue;
font: 100px/1em Ahem;
left: 100px;
margin-left: auto; /* value is solved to 200px */
margin-right: auto; /* value is solved to 200px */
position: absolute;
right: -200px;
width: 100px;
}
</style>
</head>
<body>
<p>Test passes if a filled blue square is in the <strong>upper-right corner</strong> of an hollow black rectangle and if there is <strong>no red</strong>.</p>
<div id="containingblock">
<div>X</div>
</div>
</body>
</html>
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