.main_class{background:#fff;height:auto;font-size:15px}header{width:100%;height:60px;position:fixed;border-bottom:1px solid #d1d1d1;background:#fff;line-height:60px;color:#671212;font-weight:700;z-index:99999}header,td{text-align:center}td{border:1px solid #efefef}.main_body{float:left;height:auto;min-height:900px;width:100%;background:#fff;margin-top:60px}.main_menu{height:40px;line-height:40px;border-bottom:1px dashed #efefef;color:#661212}.main_menu,.main_title{width:90%;text-align:center;margin-left:auto;margin-right:auto}.main_title{font-size:20px;margin-top:30px;letter-spacing:2px}.main_title_bottom{width:60px;height:3px;background:#661212;margin-top:3px}.main_content,.main_title_bottom{margin-left:auto;margin-right:auto}.main_content{width:95%;height:auto;margin-top:10px}