1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
2 <html>
3 <head>
4 <title>CSS Test: Inheriting 'top' changes from relpos grandparent</title>
5 <link rel="author" title="Boris Zbarsky" href="mailto:bzbarsky@mit.edu">
6 <link rel="reviewer" title="Elika J. Etemad" href="http://fantasai.inkedblade.net/contact">
7 <link rel="help" href="http://www.w3.org/TR/CSS21/cascade.html#value-def-inherit">
8 <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#position-props">
9 <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#propdef-position">
10 <meta name="flags" content="dom">
11 <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.">
12 <style type="text/css">
13 .testDiv { position: absolute; width: 100px; height: 100px; }
14 #green { top: 4em; background: green; }
15 #red { top: inherit; background: red; }
16 #parent { top: inherit; position: relative; }
17 #grandparent { position: relative; }
18 </style>
19 <script type="text/javascript">
20 window.onload = function() {
21 document.body.offsetWidth;
22 document.getElementById("grandparent").style.top = "2em";
23 }
24 </script>
25 </head>
26 <body>
27 <p>There should be no red.</p>
28 <div id="grandparent">
29 <div id="parent">
30 <div id="red" class="testDiv"></div>
31 </div>
32 <div id="green" class="testDiv"></div>
33 </div>
34 </body>
35 </html>