<!DOCTYPE HTML> <html> <head> <style type="text/css"> #w:after { content: "A"; display: block; height: 0; clear: both; } </style> </head> <body onload="document.getElementById('c').style.height = '20px';" style="width: 300px"> <div style="-moz-column-count: 2;"><div style="width: 200px; float: left;"><div id="c" style="padding-top: 30px;"></div></div><div style="padding: 10px 0pt;"><div><div id="w"><div style="display: list-item; float: left; margin-right: 100px;"></div></div><div style="height: 20px; display: inline-block;"></div></div></div></div> </body> </html>