<html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>pseudo double SetInitialChildlist</title> <style> .cat::-moz-table-row-group { overflow: scroll;} tr { position: absolute;} </style> </head> <body> <div class="cat" style="display:table"> <div style="display:block"> <div style="display:table-cell">Cell</div> </div> </div> </body> </html>