/* Spinner CSS: */

.loader {
  border: 25px solid #999999;
  border-radius: 50%;
  border-top: 25px solid #da291c;
  width: 250px;
  height: 250px;
  -webkit-animation: spin 2s linear infinite;    /* Safari */
  animation: spin 2s linear infinite;
}

#loading-overlay {
   width: 100%;
   height: 100%;
   top: 0px;
   left: 0px;
   position: fixed;
   display: flex;
   opacity: 0.7;
   background-color: #ffffff;
   z-index: 99;
   justify-content: center;
   align-items: center;
}

/* Safari */
@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

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