#toTop{display:none;text-decoration:none;position:fixed;bottom:30px;right:15px;overflow:hidden;width:51px;height:51px;border:none;text-indent:100%;background:url(../img/ui.totop.png) no-repeat left top;opacity:0.9}#toTopHover{background:url(../img/ui.totop.png) no-repeat left -51px;width:51px;height:51px;display:block;overflow:hidden;float:left;opacity:0;-moz-opacity:0;filter:alpha(opacity=0)}#toTop:active,#toTop:focus{outline:none}