#PageLoading {
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  position: fixed;
  display: block;
  opacity: 0.8;
  background: white;
  z-index: 99;
  text-align: center;
}

#PageLoading > img {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 100;
}