<html> <head> <style type="text/css"> #colset { height: 2in; -moz-column-count: 3; } #container { position: relative; } #overflow { position: absolute; height: 5in; } </style> </head> <body onload="document.getElementById('container').style.counterIncrement = 'foo';"> <div id="colset"><div id="container"><div id="overflow"></div></div></div> </body> </html>