.set{height:auto}.set,.top{width:100%}.top{height:60px;border-bottom:1px solid #e4e7f1}.top p{width:200px;height:100%;float:left;line-height:60px;font-size:20px}.set_content{width:800px;height:800px;border-left:1px solid #e4e7f1;border-right:1px solid #e4e7f1;margin:auto}.set_content_content{width:500px;height:800px;margin:auto}.set_content_content>div{width:500px;height:40px}.user_name_change{float:left}.user_nick_name>div{border:none}