.margin_bottom_20{margin-bottom:20px}.recommend_ul{width:100%;margin:0;padding:0;height:auto;overflow:hidden}.recommend_ul li{padding:5px;list-style:none;float:left}.recommend_title{font-size:16px;font-weight:700;width:100%}.recommendation-window{position:absolute;width:800px;z-index:999;background-color:#fff;border:1px solid #ccc;padding:20px;height:auto;overflow:hidden}.close{position:absolute;right:10px;top:5px}