#gotobottom {
   position:fixed;
   z-index:5000;
   bottom:10px;
   right:10px;
   background:url("http://www.etlabora.cz/wp-content/stb-images/dwieeb_arrow_darker.png") no-repeat top left;
   text-indent:-9999em;
   width:30px;
   height:30px;
   }
#gotobottom:hover,
#gotobottom:active,
#gotobottom:focus {
   outline:0;
}