.lds-dual-ring {
  display: inline-block;
  width: 80px;
  height: 80px;
}
.lds-dual-ring:after {
  content: " ";
  display: block;
  width: 40px;
  height: 40px;
  margin: 8px;
  border-radius: 50%;
  border: 6px solid #f00;
  border-color: #0DA transparent #0AE transparent;
  opacity: 0.8;
  animation: lds-dual-ring 0.8s linear infinite;
}
@keyframes lds-dual-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}