.preloader {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 9999;
  background-color: rgba(0,0,0,0.5);
}
.preloader2 {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 9999;
  background-color: rgba(0,0,0,0.1);
}
.preloader .loading {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  font: 14px arial;
}
.preloader2 .loading2 {
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%,-50%);
  font: 14px arial;
}