#loading {
  width: 100%;
  height: 100%;
  top: 0px;
  left: 0px;
  position: fixed;
  display: block;
  filter: alpha(opacity=70);
  opacity: 0.7;
  background-color: #fff;
  z-index: 99;
  text-align: center;
}

#loading-image {
  position: absolute;
  top: 300px;
  z-index: 100;
  left: 50%;
  margin-left: -33px; /* -1 * image width / 2 */
}