.loader-overlay {
  display: inline-block;
  position: absolute;
  z-index: 99999;
  top: 50%;
  left: 50%;
  -webkit-transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  transform: translate(-50%, -50%);
}
.overlayScroll {
  overflow: hidden;
}