<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>424465 testcase</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <style type="text/css"> .standardform { background-color: #00f000; border: 1px solid #000000; margin-bottom: 3px; /* Remove this line and bug disappears */ } </style> </head> <body> <form method="get" action="#"> <table class="standardform" cellspacing="5"> <tbody> <tr> <td colspan="2" id="hiddenColumnBugged"> <div>.: See the bug ? :.<br/> <img src='data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAANwAAAATCAIAAAB0hvS3AAAABGdBTUEAALGOfPtRkwAAACBjSFJNAAB6JQAAgIMAAPn/AACA6AAAdTAAAOpgAAA6lwAAF2+XqZnUAAAAuUlEQVR4nGJkYPjPMApGwWACAAHENNAOGAWjAB0ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABNBoohwFgw4ABBgAsywBJafN/+UAAAAASUVORK5CYII=' /> </div> </td> </tr> </tbody> </table> </form> </body> </html>