border-conflict-element-037

Border Conflict Resolution (by element): column group vs. column group - element with highest priority is the dominant border

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Assertion
With adjacent elements (column group, column group) of same border-style and width, border collapsing favors the column group farthest to the left (in a 'ltr' table).

Source

 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: Border Conflict Resolution (by element): column group vs. column group - element with highest priority is the dominant border</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#border-conflict-resolution">
 7         <meta name="flags" content="">
 8         <meta name="assert" content="With adjacent elements (column group, column group) of same border-style and width, border collapsing favors the column group farthest to the left (in a 'ltr' table).">
 9         <style type="text/css">
10             table
11             {
12                 border-collapse: collapse;
13                 height: 2in;
14                 width: 2in;
15             }
16             colgroup
17             {
18                 border-bottom: 5px solid black;
19                 border-top: 5px solid black;
20             }
21             .collapsing
22             {
23                 border-left: 5px solid red;
24                 border-right: 5px solid black;
25             }
26             #winning
27             {
28                 border-left: 5px solid black;
29                 border-right: 5px solid black;
30             }
31         </style>
32     </head>
33     <body>
34         <p>Test passes if there is no red visible on the page.</p>
35         <table>
36             <colgroup id="winning">
37                 <col>
38             </colgroup>
39             <colgroup class="collapsing">
40                 <col>
41             </colgroup>
42             <colgroup class="collapsing">
43                 <col>
44             </colgroup>
45             <tr>
46                 <td></td>
47                 <td></td>
48                 <td></td>
49             </tr>
50         </table>
51     </body>
52 </html>