xxxxxxxxxx<html> <body> <h1>The colgroup element is not always required</h1> <p> The colgroup element is not required if col element immediately inside and no other colgroups preceding it. </p> <table> <col span="2" style="background-color: red" /> <col style="background-color: green" /> <tr> <th>Heading 1</th> <th>Heading 2</th> <th>Heading 3</th> </tr> <tr> <td>CELL</td> <td>CELL</td> <td>CELL</td> </tr> </table> </body></html>