border-conflict-element-010

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

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Assertion
With adjacent elements (cell, column group) of same border-style and width, border collapsing favors the cell.

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): cell 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 (cell, column group) of same border-style and width, border collapsing favors the cell.">
 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             #collapsing1
22             {
23                 border-left: 5px solid black;
24                 border-right: 5px solid red;
25             }
26             #collapsing2
27             {
28                 border-left: 5px solid red;
29                 border-right: 5px solid black;
30             }
31             #test
32             {
33                 border: 5px solid black;
34             }
35         </style>
36     </head>
37     <body>
38         <p>Test passes if there is no red visible on the page.</p>
39         <table>
40             <colgroup id="collapsing1"></colgroup>
41             <colgroup></colgroup>
42             <colgroup id="collapsing2"></colgroup>
43             <tr>
44                 <td></td>
45                 <td id="test"></td>
46                 <td></td>
47             </tr>
48         </table>
49     </body>
50 </html>