.fadeOut {
  visibility: hidden;
  opacity: 0;
  transition: visibility 0s 1s, opacity 1s linear;
  -webkit-animation: spin 4s linear infinite;
  -moz-animation: spin 4s linear infinite;
  animation: spin 4s linear infinite;
}

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