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 abspos 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 combo">
11 <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.">
12 <style type="text/css">
13 .testDiv { position: relative; width: 100px; height: 100px; }
14 #green { top: 100px; background: green; }
15 #red { top: inherit; background: red; display: block; }
16 #parent { position: relative; }
17 body > p { position: absolute; font-size: medium; }
18 #grandparent { position: absolute; top: 0; }
19 body { font-size: 0; line-height: 0; position: relative; }
20 </style>
21 <script type="text/javascript">
22 window.onload = function() {
23 document.body.offsetWidth;
24 document.getElementById("parent").style.top = "50px";
25 }
26 </script>
27 </head>
28 <body>
29 <p>There should be no red.</p>
30 <div id="grandparent">
31 <span id="parent">
32 <span id="red" class="testDiv"></span>
33 </span>
34 </div>
35 <div id="green" class="testDiv"></div>
36 </body>
37 </html>