.slider {width:622px;margin:0 auto 15px;border:4px solid #000;height:308px;}
.items {display:none;}
.prev {width:49px;height:49px;position:absolute;z-index:99;background:url(../images/_construct/prev.png) 0 0 no-repeat;top:132px;left:10px;}
.next {width:49px;height:49px;position:absolute;z-index:99;background:url(../images/_construct/next.png) 100% 0 no-repeat;top:132px;right:10px;}
.prev:hover {background:url(../images/_construct/prev-hover.png) 0 0 no-repeat;}
.next:hover {background:url(../images/_construct/next-hover.png) 100% 0 no-repeat;}

.slider2 {width:622px;margin:0 auto 15px;border:4px solid #000;height:406px;}
.prev2 {width:49px;height:49px;position:absolute;z-index:99;background:url(../images/_construct/prev.png) 0 0 no-repeat;top:170px;left:10px;}
.next2 {width:49px;height:49px;position:absolute;z-index:99;background:url(../images/_construct/next.png) 100% 0 no-repeat;top:170px;right:10px;}
.prev2:hover {background:url(../images/_construct/prev-hover.png) 0 0 no-repeat;}
.next2:hover {background:url(../images/_construct/next-hover.png) 100% 0 no-repeat;}