.loading-indicator {
  height: 80px;
  width: 80px;
  background: url( '../img/loading.png' );
  background-repeat: no-repeat;
  background-position: center center;
  animation-name: rotation;
  animation-duration: 1500ms;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}

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

.loading-indicator-overlay {
  background-color: #FFFFFF;
  opacity: 0.6;
  filter: alpha(opacity = 60);
}