.main-content {overflow:hidden; height:auto; margin-bottom:20px;}
.content-left {float:left; padding-bottom:30000px; margin-bottom:-30000px; width:450px; text-align:right;}
.content-right {float:right; padding-bottom:30000px; margin-bottom:-30000px; width:450px;}

.grey {font-size: 20px; color:#666; font-family:Arial, Helvetica, sans-serif;}