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: Containing block for relative positioned elements is nearest block-level ancestor</title>
5 <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
6 <link rel="help" href="http://www.w3.org/TR/CSS21/visudet.html#containing-block-details">
7 <meta name="flags" content="">
8 <meta name="assert" content="If the element's position is 'relative', the containing block is formed by the content edge of the nearest block-level ancestor box.">
9 <style type="text/css">
10 #div1
11 {
12 background: red;
13 display: block;
14 height: 100px;
15 width: 100px;
16 }
17 div div
18 {
19 background: green;
20 height: 100%;
21 position: relative;
22 width: 100%;
23 }
24 </style>
25 </head>
26 <body>
27 <p>Test passes if there is no red visible on the page.</p>
28 <div id="div1">
29 <div></div>
30 </div>
31 </body>
32 </html>