<a class="t-glitch" data-glitch="Glitch" href="#">Glitch</a>

.t-glitch {
  position: relative;
  text-decoration: none;
  color: #fff;
}

.t-glitch:before,
.t-glitch:after {
  content: attr(data-glitch);
  display: block;
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  opacity: 0.8;
}

.t-glitch:after {
  color: #f0f;
  z-index: -2;
  animation: glitch .45s cubic-bezier(.25, .46, .45, .94) reverse both infinite
}

.t-glitch:before {
  color: #0ff;
  z-index: -1;
  animation: glitch .35s  cubic-bezier(.25, .46, .45, .94) both infinite
}

@keyframes glitch {
  0% {
    transform: translate(0);
  }
  20% {
    transform: translate(1px, 1px);
  }
  40% {
    transform: translate(-4px, 2px);
  }
  60% {
    transform: translate(1px, 3px);
  }
  80% {
    transform: translate(2px, -1px);
  }
  to {
    transform: translate(0);
  }
}

/* reset */
html {
  display: flex;
  height: 100%;
  font-size: 400%;
  line-height: 1;
  color: #fff;
  font-family: sans-serif;
}

body {
  margin: auto;
  background: purple;
}