/* Centred with negative margins, not translate(-50%, -50%): `spin` animates
   `transform`, so a centring translate would be overwritten by the rotation. */
.loader,
.surferseo-loader {
  animation: spin 1s linear infinite;
  border-radius: 50%;
  box-sizing: border-box;
  height: 40px;
  left: 50%;
  margin: -20px 0 0 -20px;
  position: fixed;
  top: 50%;
  width: 40px;
}

.loader {
  border: 3px solid #d7e6f5;
  border-top-color: #0074d9;
}

.surferseo-loader {
  border: 4px solid #8549d0;
  border-bottom-color: transparent;
}

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