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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: Inheriting 'top' changes from abspos grandparent (variant: block parent)</title>
<link rel="author" title="Boris Zbarsky" href="mailto:bzbarsky@mit.edu"/>
<link rel="author" title="L. David Baron" href="https://dbaron.org/" />
<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"/>
<meta name="flags" content="dom" />
<meta name="assert" content="The position of a positioned element which inherits its 'top' value from its relatively positioned parent changes when the parent's 'top' value is changed."/>
<style type="text/css"><![CDATA[
.testDiv { position: relative; width: 100px; height: 100px; }
#green { top: 100px; background: green; }
#red { top: inherit; background: red; display: block; }
#parent { position: relative; }
body > p { position: absolute; font-size: medium; }
#grandparent { position: absolute; top: 0; }
body { font-size: 0; line-height: 0; position: relative; }
]]></style>
<script type="text/javascript"><![CDATA[
window.onload = function() {
document.body.offsetWidth;
document.getElementById("parent").style.top = "50px";
}
]]></script>
</head>
<body>
<p>Test passes if there is no red.</p>
<div id="grandparent">
<div id="parent">
<span id="red" class="testDiv"></span>
</div>
</div>
<div id="green" class="testDiv"></div>
</body>
</html>
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