<!DOCTYPE html> <html class="reftest-wait"> <head> <script type="text/javascript"> function boom() { document.getElementById("x").style.padding = "67108863pc"; setTimeout(boom2, 0); } function boom2() { document.body.removeChild(document.getElementById("colset")); document.documentElement.removeAttribute("class"); } </script> </head> <body onload="boom();"> <div style="-moz-column-count: 2;" id="colset"><div style="height: 1px;"><div id="x"><div style="width: 1px;">A B C D</div></div></div></div> </body> </html>