.map {
  background: #85ccf9;
  position: relative;
}
#map {
  height: 400px;
  position: relative;
}

@keyframes spinner {
  to {
    transform: rotate(360deg);
  }
}

.spinner:after {
  content: "";
  box-sizing: border-box;
  position: absolute;
  top: 50%;
  left: 50%;
  width: 40px;
  height: 40px;
  margin-top: -20px;
  margin-left: -20px;
  border-radius: 50%;
  border: 5px solid rgba(180, 180, 180, 0.6);
  border-top-color: rgba(0, 0, 0, 0.6);
  animation: spinner 0.6s linear infinite;
}