.loader {
  border: 5px solid #f3f3f3;
  border-radius: 50%;
  border-top: 5px solid #b7212a;
  width: 40px;
  height: 40px;
  -webkit-animation: spin 2s linear infinite; /* Safari */
  animation: spin 2s linear infinite;
  margin:0 auto;
  top:25%;
  position:relative;
}
.loader-bg{
    position:fixed;
    width:100%;
    height:100%;
    display:none;
    top:0;
    left:0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 9999;
}
/* Safari */
@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.pls-wait{
    position: relative;
    top: 28%;
    color: #fff;
}