.three-column-two-ad{overflow:hidden}.three-column-two-ad .ad-column{background:url(../images/bg-checker.png);border:1px solid #dfdfdf;padding:5px 5px 45px 5px;width:100%}.three-column-two-ad .left{float:left}.three-column-two-ad .right{float:right}.three-column-two-ad .splash{margin:0 auto 20px}.three-column-two-ad .main-content{float:left;height:100%;width:100%}.three-column-two-ad .tab-content{height:100%}