body {
  text-align: justify;
  font-family: helvetica;
  font-size: 8vw;
}

a:link:hover {
    animation: blink-animation .1s steps(2, start) infinite;
}
@keyframes blink-animation {
  to {
    /*visibility: hidden;*/
    color: white;
    background-color: black;
  }
}