#dfarch-temp-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: #444;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-flow: column;
}
#dfarch-temp-overlay h1 {
  color: #fff;
  vertical-align: middle;
  text-align: center;
  text-decoration: none;
}

.dfarch-dual-ring {
  display: inline-block;
  width: 40px;
  height: 40px;
}
.dfarch-dual-ring :after {
  content: " ";
  display: block;
  width: 32px;
  height: 32px;
  margin: 4px;
  border-radius: 50%;
  border: 4px solid #fff;
  border-color: #fff transparent #fff transparent;
  animation: lds-dual-ring 1.2s linear infinite;
}

@keyframes lds-dual-ring {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}