#toTop{display:none;text-decoration:none;position:fixed;right:50%;bottom:50px;overflow:hidden;width:81px;height:81px;border:none;text-indent:-999px;z-index:120;background:url(../images/ui.totop.png) no-repeat left -81px;}#toTopHover{background:url(../images/ui.totop.png) no-repeat left 0px;width:81px;height:81px;display:block;overflow:hidden;float:left;opacity:0;-moz-opacity:0;}#toTop:active,#toTop:focus{outline:none;}