.gu-mirror {
  opacity:0.8;
  margin:0 !important;
  z-index:9999 !important;
  filter:alpha(opacity=80);
  position:fixed !important;
  -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=80)";
}

.gu-hide {
  display:none !important;
}

.gu-unselectable {
  user-select:none !important;
  -ms-user-select:none !important;
  -moz-user-select:none !important;
  -webkit-user-select:none !important;
}

.gu-transit {
  opacity:0.2;
  filter:alpha(opacity=20);
  -ms-filter:"progid:DXImageTransform.Microsoft.Alpha(Opacity=20)";
}