.adspost { background:#fff; float: left; width: 578px; margin-bottom:5px; padding: 10px; overflow:hidden; border:1px solid #f3f1eb; } /* Ads Spots 125x125 */ #adspot { overflow: hidden; padding:0; } .ad1, .ad3, .ad5, .ad7{ float: left; margin-bottom: 5px; padding-left:0px; } .ad2, .ad4, .ad6, .ad8{ float: right; margin-bottom: 5px; padding-right:0px; }