ul{list-style-type:none;margin:0;padding:0;overflow:hidden;border:1px solid #e7e7e7;background-color:#b9b9b9}li{float:left}li a{display:block;color:#666;text-align:center;padding:7px 8px;text-decoration:none}li a:hover:not(.active){background-color:#fff6f2}li a.active{color:white;background-color:#4caf50}.right{float:right}body{overflow:hidden}