#slider{}#slider ul,#slider li{margin:0;padding:0;margin-top:10px;list-style:none}#slider li{  width:566px;height:220px;overflow:hidden}#prevBtn,#nextBtn{ display:block;width:30px;height:77px;position:absolute;left:-30px;top:71px}#nextBtn{ left:696px}#prevBtn a,#nextBtn a{display:block;width:30px;height:77px;background:url(images/btn_prev.gif) no-repeat 0 0}#nextBtn a{ background:url(images/btn_next.gif) no-repeat 0 0}