.glitch {
  color: white;
  position: relative;
  display:  inline-block;
}

@keyframes noise-anim {
  0% {
    clip: rect(27px, 9999px, 26px, 0);
  }
  5% {
    clip: rect(62px, 9999px, 58px, 0);
  }
  10% {
    clip: rect(20px, 9999px, 65px, 0);
  }
  15% {
    clip: rect(74px, 9999px, 3px, 0);
  }
  20% {
    clip: rect(5px, 9999px, 43px, 0);
  }
  25% {
    clip: rect(70px, 9999px, 95px, 0);
  }
  30% {
    clip: rect(88px, 9999px, 72px, 0);
  }
  35% {
    clip: rect(52px, 9999px, 15px, 0);
  }
  40% {
    clip: rect(85px, 9999px, 31px, 0);
  }
  45% {
    clip: rect(14px, 9999px, 73px, 0);
  }
  50% {
    clip: rect(10px, 9999px, 9px, 0);
  }
  55% {
    clip: rect(27px, 9999px, 62px, 0);
  }
  60% {
    clip: rect(50px, 9999px, 96px, 0);
  }
  65% {
    clip: rect(65px, 9999px, 83px, 0);
  }
  70% {
    clip: rect(22px, 9999px, 36px, 0);
  }
  75% {
    clip: rect(44px, 9999px, 84px, 0);
  }
  80% {
    clip: rect(9px, 9999px, 88px, 0);
  }
  85% {
    clip: rect(64px, 9999px, 41px, 0);
  }
  90% {
    clip: rect(6px, 9999px, 77px, 0);
  }
  95% {
    clip: rect(14px, 9999px, 13px, 0);
  }
  100% {
    clip: rect(7px, 9999px, 70px, 0);
  }
}
.glitch:after {
  content: attr(data-text);
  position: absolute;
  left: 2px;
  text-shadow: -1px 0 red;
  top: 0;
  color: white;
  background: #000;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  animation: noise-anim 2s infinite linear alternate-reverse;
}

@keyframes noise-anim-2 {
  0% {
    clip: rect(88px, 9999px, 5px, 0);
  }
  5% {
    clip: rect(55px, 9999px, 20px, 0);
  }
  10% {
    clip: rect(65px, 9999px, 44px, 0);
  }
  15% {
    clip: rect(10px, 9999px, 4px, 0);
  }
  20% {
    clip: rect(29px, 9999px, 41px, 0);
  }
  25% {
    clip: rect(40px, 9999px, 26px, 0);
  }
  30% {
    clip: rect(95px, 9999px, 57px, 0);
  }
  35% {
    clip: rect(47px, 9999px, 46px, 0);
  }
  40% {
    clip: rect(78px, 9999px, 30px, 0);
  }
  45% {
    clip: rect(6px, 9999px, 11px, 0);
  }
  50% {
    clip: rect(46px, 9999px, 20px, 0);
  }
  55% {
    clip: rect(25px, 9999px, 13px, 0);
  }
  60% {
    clip: rect(90px, 9999px, 29px, 0);
  }
  65% {
    clip: rect(11px, 9999px, 55px, 0);
  }
  70% {
    clip: rect(7px, 9999px, 44px, 0);
  }
  75% {
    clip: rect(42px, 9999px, 87px, 0);
  }
  80% {
    clip: rect(57px, 9999px, 25px, 0);
  }
  85% {
    clip: rect(89px, 9999px, 8px, 0);
  }
  90% {
    clip: rect(94px, 9999px, 29px, 0);
  }
  95% {
    clip: rect(50px, 9999px, 100px, 0);
  }
  100% {
    clip: rect(61px, 9999px, 41px, 0);
  }
}
.glitch:before {
  content: attr(data-text);
  position: absolute;
  left: -2px;
  text-shadow: 1px 0 blue;
  top: 0;
  color: white;
  background: black;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  animation: noise-anim-2 3s infinite linear alternate-reverse;
}