<!DOCTYPE html> <html> <head> <style> div { -moz-column-count:2; -moz-column-width:100px; -moz-column-gap:0; float:left; border:2px solid black; height:200px; } div.clear { clear:both; } div.gap { -moz-column-gap:80px; } span { display:inline-block; width:50px; } </style> </head> <body> <div> <span></span><br><span></span> </div> <div class="gap clear"> <span></span><br><span></span> </div> </body> </html>