.firstpost_advert_container{clear:both;display:block;float:left;margin-bottom:12px;position:relative;width:100%;border:1px solid #E5E6F4}.firstpost_advert{with:100%;background:#F1F1FA;border:1px solid #fff;min-height:90px;margin:0;padding:7px;text-align:center;vertical-align:middle}