/* ==========================================================================
   Back to top
   ========================================================================== */
#backtotop {
  filter: alpha(opacity=60);
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=60)";
  -webkit-opacity: 0.6;
  -khtml-opacity: 0.6;
  -moz-opacity: 0.6;
  -ms-opacity: 0.6;
  -o-opacity: 0.6;
  opacity: 0.6;
  background-size: cover;
  width: 40px;
  height: 40px;
  right: 5%;
}