@-webkit-keyframes spin {
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
@keyframes spin {
  100% {
    -webkit-transform: rotate(360deg);
            transform: rotate(360deg);
  }
}
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: white;
  z-index: 100;
}
.loading-screen:before,
.loading-screen:after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
}
.loading-screen:before {
  margin-left: -80px;
  margin-top: -160px;
  width: 160px;
  height: 160px;
  background: url(/public/earth.jpg) no-repeat center center;
  background-size: contain;
  -webkit-transform-origin: 50% 60%;
      -ms-transform-origin: 50% 60%;
          transform-origin: 50% 60%;
  -webkit-animation: spin 4s linear infinite;
          animation: spin 4s linear infinite;
}