| <!DOCTYPE html> | |
| <link rel="author" title="David Shin" href="dshin@mozilla.com"> | |
| <link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1879731"> | |
| <style> | |
| table { | |
| border-collapse: collapse; | |
| } | |
| .group { | |
| border-top: 1px solid black; | |
| border-bottom: 3px solid black; | |
| } | |
| </style> | |
| <table> | |
| <tr id="row"><td class="group">X</td><td>X</td><td>X</td><td class="group">X</td></tr> | |
| </table> |