.overlay{
  height:100%;
  width:100%;
  position:fixed;
  left:0;
  top:0;
  z-index:1 !important;
  background-color:white;
  opacity:0.7;
  display:none;
}
.overlay_loader{
	font-size: 36px;
color: white;
z-index: 99999;
position: absolute;
margin-right: auto;
margin-left: auto;
width: 100%;
text-align: center;
margin-top: 100px;
display:none;
}