.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)
}