#gototop {
   position:fixed;
   z-index:5000;
   top:50px;
   left:200px;
   background:url("http://www.ruggieriarchitetti.com/wp4/wp-content/stt-images/scrolltop3.png") no-repeat top left;
   text-indent:-9999em;
   width:50px;
   height:7px;
      display:none;
   }
#gototop:hover,
#gototop:active,
#gototop:focus {
   outline:0;
}