#slider{border-radius:4px;margin:20px auto 0;overflow:hidden;position:relative}#slider ul{list-style:none}#slider ul,#slider ul li{height:650px;margin:0;padding:0;position:relative}#slider ul li{display:block;float:left;text-align:center;width:1000px}a.control_next,a.control_prev{background:#303ab2;color:#fff;cursor:pointer;display:block;font-size:18px;font-weight:600;opacity:.8;padding:4%;position:absolute;text-decoration:none;top:30%;z-index:999}a.control_next:hover,a.control_prev:hover{opacity:1;-webkit-transition:all .2s ease}a.control_next{right:0}@media screen and (max-width:1000px){#slider{display:none}}