.c--spinning-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999999;
  background-color: rgba(0, 0, 0, 0.25);
}

.c--spinning-overlay:after {
  content: "";
  background-image: url(/themes/custom/uswds_drought/assets/img/spinner-solid.svg);
  background-position: center;
  background-size: 50px;
  background-repeat: no-repeat;
  -webkit-animation:spin 1.2s linear infinite;
  -moz-animation:spin 1.2s linear infinite;
  animation:spin 1.2s linear infinite;
  width: 100%;
  height: 100%;
  position: absolute;
}

@-moz-keyframes spin {
  100% { -moz-transform: rotate(360deg); }
}
@-webkit-keyframes spin {
  100% { -webkit-transform: rotate(360deg); }
}
@keyframes spin {
  100% {
      -webkit-transform: rotate(360deg);
      transform:rotate(360deg);
  }
}