#loading {
  background-color: white;
  /*changed to solid white background to hide unfilled tabs and pages*/
  background-image: url("loadingciscospinner.gif");
  background-position: center;
  background-size: 20% 20%;
  background-repeat: no-repeat;
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;
}