.pa{position:absolute;}
.cd{cursor:default;}
.dot{display:inline-block;background-image:url("../images/dot.png");background-repeat:no-repeat;width:20px;height:20px;line-height:20px;margin:0 5px;color:white;font-weight:bold;}
.dot_default{background-position:0 0;}
.dot_current{background-position:0 -20px;}
.prev:hover,.next:hover{opacity:0.5;}