#loader-contain {
  z-index:998;
  position: absolute;
  top:0;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  background: black;
  text-align: center;
}
#loader-contain #loader {
  z-index:999;
  position: absolute;
  top: 50%;
  left: 50%;
  margin-top: -50px;
  margin-left: -50px;
}
#loader img {
  transform: rotate(90deg);
}
.hidden { 
  display:none;
}