<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>CSS Test: A column-spanning cell</title> <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> <link rel="help" href="http://www.w3.org/TR/CSS21/tables.html#table-layout" /> <meta name="assert" content="A cell can span several columns." /> <style type="text/css"> td { background: orange; height: 100px; width: 100px; } #cell { background: blue; } </style> </head> <body> <p>Test passes if the blue box below spans the width of the three orange squares.</p> <table> <tr> <td id="cell" colspan="3"> </td> </tr> <tr> <td></td> <td></td> <td></td> </tr> </table> </body> </html>