.glitch {
  position: relative;
  color: white;
  font-size: 2em;
}
.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
}

.glitch::before {
  left: 2px;
  text-shadow: -1px 0 red;
  animation: glitch-animation-1 1s infinite linear alternate-reverse;
}

.glitch::after {
  left: -2px;
  text-shadow: 1px 0 blue;
  animation: glitch-animation-2 1s infinite linear alternate-reverse;
}

@keyframes glitch-animation-1 {
  0% {
    clip: rect(42px, 9999px, 14px, 0);
    transform: skew(0.32deg);
  }
  5% {
    clip: rect(33px, 9999px, 30px, 0);
    transform: skew(0.41deg);
  }
  10% {
    clip: rect(31px, 9999px, 44px, 0);
    transform: skew(0.36deg);
  }
  15% {
    clip: rect(33px, 9999px, 34px, 0);
    transform: skew(0.32deg);
  }
  20%, 100% {
    clip: rect(39px, 9999px, 40px, 0);
    transform: skew(0.38deg);
  }
}

@keyframes glitch-animation-2 {
  0% {
    clip: rect(35px, 9999px, 45px, 0);
    transform: skew(0.4deg);
  }
  5% {
    clip: rect(30px, 9999px, 35px, 0);
    transform: skew(0.33deg);
  }
  10% {
    clip: rect(30px, 9999px, 20px, 0);
    transform: skew(0.35deg);
  }
  15% {
    clip: rect(10px, 9999px, 44px, 0);
    transform: skew(0.39deg);
  }
  20%, 100% {
    clip: rect(33px, 9999px, 30px, 0);
    transform: skew(0.4deg);
  }
}