.loader_area {
  background: #fff;
  opacity: 0.95;
  overflow: hidden;
  position: fixed;
  left: 0;
  top: 0;
  right:0;
  bottom:0;
  z-index: 100000;
}
.loader:before {
 
  font-size: 42px;
  background: url('/img/loader22.gif') no-repeat 50% 50%;
  content: "";
  min-height: 300px;
  min-width: 300px;
  position: absolute;
  left: 50%;
  margin-left: -150px;
  top: 50%;
  margin-top: -150px;
}