.waiting {
  background: #000000 url("/assets/img/HKLogo.png");
  background-size: 10% !important;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-position: center;
  visibility: hidden;
  position:fixed;
  top: 0;left: 0;right: 0;bottom: 0;opacity: 0;
  z-index: 1090;
}

.waiting.active {
  opacity: 0.7; visibility: visible;
}