.flexslider { position: relative; height: 500px; overflow: hidden;  z-index:1}
.slides { position: relative; z-index: 1;}
.slides li { height: 500px;}
.slides li a{ width:100%; height:500px; display:block;}
.flex-control-nav { position: absolute; bottom: 10px; z-index: 2; width: 100%; text-align: center;}
.flex-control-nav li { display: inline-block; width: auto; height: 13px; margin: 0 2px; *display: inline; zoom: 1;}
.flex-control-nav a { width:12px;height:12px;line-height:99em; background:none; border:2px #fff solid;-webkit-border-radius:100%;-moz-border-radius:100%;border-radius:100%;margin:5px 2px 0 2px;overflow:hidden;cursor:pointer;display:inline-block;*display:inline;*zoom:1; -webkit-transition: ease 0s; -moz-transition: ease 0s; -ms-transition: ease 0s; -o-transition: ease 0s; transition: ease 0s;}
.flex-control-nav .flex-active {width:35px; height:12px; background:#fff; border-radius: 12px;  -webkit-transition: ease 0s; -moz-transition: ease 0s; -ms-transition: ease 0s; -o-transition: ease 0s; transition: ease 0s;}