Web standards FAQ collection 2_Experience exchange

7. Why is there a gap between these two layers under IE6

<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <style type="text/css"> <!-- .left { float:left; width:100px; height:100px; background:red } .right { width:100px; height:100px; background:orange } --> </style> <div class="left">aaaaaa</div> <div class="right">aaaaaa</div>