#toTop{display:none;text-decoration:none;position:fixed;bottom:50px;right:20px;overflow:hidden;width:50px;height:50px;border:none;text-indent:100%;background:url(../imagens/ui.totop.png) no-repeat left top;z-index:99999;}#toTopHover{background:url(../imagens/ui.totop.png) no-repeat left -51px;width:50px;height:50px;display:block;overflow:hidden;float:left;opacity:0;-moz-opacity:0;box-shadow:0px 0px 5px #000;-moz-box-shadow:0px 0px 5px #000;-ms-box-shadow:0px 0px 5px #000;-o-box-shadow:0px 0px 5px #000;-webkit-box-shadow:0px 0px 5px #000}#toTop:active,#toTop:focus{outline:none}