@keyframes loading {
  0% {
    border: 0 solid white;
  }
  20% {
    border: 1em solid white;
    width: 0%;
    height: 0%;
  }
  100% {
    border: 1em solid white;
    width: 100%;
    height: 100%;
  }
}

html, body {
  width: 100%;
  height: 100%;
  background-color: #fff;
  margin: 0;
  overflow: hidden;
}

#container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

#container .loaderWrapper {
  width: 100vw;
  height: 100vh;
  position: fixed;
}

#container .loaderWrapper .loader {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10em;
  height: 10em;
  background-color: #3bb08c;
  border-radius: 50%;
}

#container .loaderWrapper .loader:after {
  content: '';
  position: absolute;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  border: 0px solid white;
  transform: translate(-50%, -50%);
  animation: loading 1000ms ease-out forwards infinite;
}