z {
    font-family: sans-serif;
    text-transform: uppercase;
    font-size: 24px;
    overflow: hidden;
    background: linear-gradient(90deg, #000, #c70f0f, #000);
    background-repeat: no-repeat;
    background-size: 80%;
    animation: animate 5s linear infinite;
    -webkit-background-clip: text;
    -webkit-text-fill-color: rgba(255, 255, 255, 0);
}

@keyframes animate {
  0% {
    background-position: -500%;
  }
  100% {
    background-position: 500%;
  }
}