#loading {
  width: 100%;
  height: 100%;
  top: 0px;
  left: 0px;
  position: fixed;
  display: block;
  background-color: #fff;
  z-index: 99;
  text-align: center;
  
  /* IE 8 */
  -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=70)";

  /* IE 5-7 */
  filter: alpha(opacity=70);

  /* Netscape */
  -moz-opacity: 0.7;

  /* Safari 1.x */
  -khtml-opacity: 0.7;

  /* Good browsers */
  opacity: 0.7;
}
 
#loading-image {
  z-index: 100;
    position:absolute;
    left:50%; 
    top:50%;
    width:48px; 
    height:48px;
    margin-left:-24px;
    margin-top:-24px
}