.linear-wipe {
  text-align: center;
  background: linear-gradient(to right, #FFF 20%, #FF0 40%, #FF0 60%, #FFF 80%);
  background-size: 200% auto;
  color: #000;
  background-clip: text;
  text-fill-color: transparent;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shine 8s linear infinite;
}
@keyframes shine {
  to {
    background-position: 200% center;
  }
}