.flexslider{position:relative;overflow:hidden;width:100%;}
.slides{position:relative;z-index:1;}
.slides li{height:755px;}
.slides img{max-width:100%;height:auto;display:block;}
.flex-control-nav{position:absolute;bottom:20px;z-index:2;width:100%;text-align:center;}
.flex-control-nav li{display:inline-block;width:20x;height:2px;margin:0 3px;}
.flex-control-nav a{display:inline-block;width:20px;height:2px;line-height:40px;overflow:hidden;background:url(./dot.png) right 0 no-repeat;cursor:pointer;}
.flex-control-nav .flex-active{background-position:0 0;}
.flex-direction-nav{position:absolute;z-index:3;width:100%;top:45%;}
.flex-direction-nav li a{display:block;width:50px;height:50px;overflow:hidden;cursor:pointer;position:absolute;}
.flex-direction-nav li a.flex-prev{left:0;background:url(./prev.png) center  no-repeat;}
.flex-direction-nav li a.flex-next{right:0;background:url(./next.png)  center no-repeat;}