.blink  {
    animation: blink 1s linear infinite;
    -webkit-animation: blink 1s linear infinite;
    -moz-animation: blink 1s linear infinite;
    -o-animation: blink 1s linear infinite;
}
@keyframes blink {
  25% {
    opacity: 0.1;
    color: transparent;
  }
    50% {
      opacity: 1;
  }
}
@keyframes spinning {
  from {
      transform: rotateY(0deg);
  }
  to {
      transform: rotateY(-360deg);
  }
}