*{margin:0;padding:0;}
li{list-style:none;}
#cont{width:100%;height:250px;margin:0 auto;position:relative;overflow:hidden;}
#cont img{width:100%;height:auto;position:absolute;left:0;top:0;}
#cont #txt{height:40px;line-height:40px;background:rgba(0,0,0,0.5);position:absolute;left:0;bottom:0;width:100%;color:#fff;font-family:'微软雅黑';text-indent:20px;}
#cont ul li{width:24px;height:24px;background:url(/imgbsb/btn.png) no-repeat;float:left;margin-right:5px;cursor:pointer;}
#cont ul{position:absolute;bottom:8px;z-index:2;left:43%;}
#cont ul li.active{background:url(/imgbsb/btn-active.png) no-repeat;}
#cont span{position:absolute;top:120px;width:60px;height:60px;cursor:pointer;opacity:0.5;filter:alpha(opacity=50);}
#cont span:hover{opacity:0.9;filter:alpha(opacity=90);}
#cont span.prev{background:url(/imgbsb/prevBtn.png) no-repeat;left:20px;top:210px;}
#cont span.next{background:url(/imgbsb/nextBtn.png) no-repeat;right:20px;top:210px;}