@keyframes blinker {
    from {opacity: 1.0;}
    to {opacity: 0.0;}
  }
  
.blink {
    text-decoration: blink;
    animation-name: blinker;
    animation-duration: 0.6s;
    animation-iteration-count:infinite;
    animation-timing-function:ease-in-out;
    animation-direction: alternate;
  }