<!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: Inheriting 'top' changes from relpos grandparent</title>
<link rel="author" title="Boris Zbarsky" href="mailto:[email protected]"/>
<link rel="reviewer" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact"/>
<link rel="help" href="http://www.w3.org/TR/CSS21/cascade.html#value-def-inherit"/>
<link rel="help" href="http://www.w3.org/TR/css-cascade-3/#inherit"/>
<link rel="help" href="http://www.w3.org/TR/css-cascade-4/#inherit"/>
<link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#position-props"/>
<link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-position"/>
<link rel="match" href="dynamic-top-change-001-ref.xht" />
<meta name="flags" content="dom" />
<meta name="assert" content="The position of a positioned element which inherits its 'top' value from its relatively positioned grandparent changes when the grandparent's 'top' value is changed."/>
<style type="text/css"><![CDATA[
p
{
line-height: 1.25;
margin: 1em 0;
}
strong {line-height: 1;}
.testDiv { position: absolute; width: 100px; height: 100px; }
#green { top: 4em; background: green; }
#red { top: inherit; background: red; }
#parent { top: inherit; position: relative; }
#grandparent { position: relative; }
]]></style>
<script type="text/javascript"><![CDATA[
window.onload = function() {
document.body.offsetWidth;
document.getElementById("grandparent").style.top = "2em";
}
]]></script>
</head>
<body>
<p>Test passes if there is <strong>no red</strong>.</p>
<div id="grandparent">
<div id="parent">
<div id="red" class="testDiv"></div>
</div>
<div id="green" class="testDiv"></div>
</div>
</body>
</html>
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