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: Background on a column group element shows if all elements above its layer are transparent</title>
5 <link rel="author" title="Microsoft" href="http://www.microsoft.com/">
6 <link rel="help" href="http://www.w3.org/TR/CSS21/tables.html#table-layers">
7 <meta name="flags" content="">
8 <meta name="assert" content="A background set on a column group element will show if all table element layers above it are transparent.">
9 <style type="text/css">
10 table
11 {
12 background: red;
13 border-collapse: collapse;
14 }
15 colgroup
16 {
17 background: green;
18 }
19 td
20 {
21 height: 2em;
22 width: 2em;
23 }
24 </style>
25 </head>
26 <body>
27 <p>Test passes if there is no red visible on the page.</p>
28 <table>
29 <colgroup>
30 <col>
31 <col>
32 <col>
33 </colgroup>
34 <tbody>
35 <tr>
36 <td></td>
37 <td></td>
38 <td></td>
39 </tr>
40 <tr>
41 <td></td>
42 <td></td>
43 <td></td>
44 </tr>
45 <tr>
46 <td></td>
47 <td></td>
48 <td></td>
49 </tr>
50 </tbody>
51 </table>
52 </body>
53 </html>