.gu-mirror {
  position: fixed !important;
  margin: 0 !important;
  z-index: 9999 !important;
  opacity: .8;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=80)";
  filter: alpha(opacity=80)
}
.gu-hide {
  display: none !important
}
.gu-unselectable {
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
  -ms-user-select: none !important;
  user-select: none !important
}
.gu-transit {
  opacity: .2;
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=20)";
  filter: alpha(opacity=20)
}