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: Column group boxes occupy same cells as the columns they contain</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-layout">
7 <meta name="flags" content="">
8 <meta name="assert" content="A column group box occupies the same cells as the columns it contains.">
9 <style type="text/css">
10 #black
11 {
12 background: blue;
13 }
14 td
15 {
16 border: 1px solid black;
17 height: 2em;
18 width: 2em;
19 }
20 </style>
21 </head>
22 <body>
23 <p>Test passes if the middle two columns in the table are blue.</p>
24 <table>
25 <colgroup>
26 <col>
27 </colgroup>
28 <colgroup id="black">
29 <col>
30 <col>
31 </colgroup>
32 <colgroup>
33 <col>
34 </colgroup>
35 <tr>
36 <td></td>
37 <td></td>
38 <td></td>
39 <td></td>
40 </tr>
41 <tr>
42 <td></td>
43 <td></td>
44 <td></td>
45 <td></td>
46 </tr>
47 <tr>
48 <td></td>
49 <td></td>
50 <td></td>
51 <td></td>
52 </tr>
53 <tr>
54 <td></td>
55 <td></td>
56 <td></td>
57 <td></td>
58 </tr>
59 </table>
60 </body>
61 </html>