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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</title>
  <link rel="author" title="Boris Zbarsky" href="mailto:bzbarsky@mit.edu"/>
  <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="combo 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">
     <span id="parent">
       <span id="red" class="testDiv"></span>
     </span>
   </div>
   <div id="green" class="testDiv"></div>
 </body>
</html>