<html>
<head>
<title>colgroup element example</title>
</head>
<body>
<table width="500" border="8" cellspacing="5" cellpadding="5" align="center">
<colgroup span="2" style="color:blue;"></colgroup>
<colgroup style="color:red;"></colgroup>
<tr><td>col: 1, group: 1</td>
<td>col: 2, group: 1</td>
<td>col: 3, group: 2</td></tr>
<tr><td>col: 1, group: 1</td>
<td>col: 2, group: 1</td>
<td>col: 3, group: 2</td></tr>
<tr><td>col: 1, group: 1</td>
<td>col: 2, group: 1</td>
<td>col: 3, group: 2</td></tr>
</table>
</body>
</html>