body {
  background: black;
  font-family: 'Varela', sans-serif;
}

.glitch {
  color: white;
  font-size: 40px;
  position: relative;
  width: 400px;
  top: 300px;
  margin: 0 auto;
}

@keyframes noise-anim {
  0% {
    clip: rect(25px, 9999px, 33px, 0);
  }
  5% {
    clip: rect(10px, 9999px, 92px, 0);
  }
  10% {
    clip: rect(98px, 9999px, 82px, 0);
  }
  15% {
    clip: rect(8px, 9999px, 73px, 0);
  }
  20% {
    clip: rect(85px, 9999px, 86px, 0);
  }
  25% {
    clip: rect(98px, 9999px, 55px, 0);
  }
  30% {
    clip: rect(91px, 9999px, 79px, 0);
  }
  35% {
    clip: rect(8px, 9999px, 92px, 0);
  }
  40% {
    clip: rect(46px, 9999px, 15px, 0);
  }
  45% {
    clip: rect(68px, 9999px, 66px, 0);
  }
  50% {
    clip: rect(89px, 9999px, 27px, 0);
  }
  55% {
    clip: rect(12px, 9999px, 46px, 0);
  }
  60% {
    clip: rect(65px, 9999px, 8px, 0);
  }
  65% {
    clip: rect(48px, 9999px, 76px, 0);
  }
  70% {
    clip: rect(69px, 9999px, 63px, 0);
  }
  75% {
    clip: rect(88px, 9999px, 72px, 0);
  }
  80% {
    clip: rect(78px, 9999px, 42px, 0);
  }
  85% {
    clip: rect(4px, 9999px, 6px, 0);
  }
  90% {
    clip: rect(26px, 9999px, 84px, 0);
  }
  95% {
    clip: rect(79px, 9999px, 91px, 0);
  }
  100% {
    clip: rect(32px, 9999px, 71px, 0);
  }
}
.glitch:after {
  content: attr(data-text);
  position: absolute;
  left: 2px;
  text-shadow: -3px 0 red;
  top: 0;
  color: white;
  background: black;
  overflow: hidden;
  clip: rect(0, 900px, 0, 0);
  animation: noise-anim 2s infinite linear alternate-reverse;
}

@keyframes noise-anim-2 {
  0% {
    clip: rect(85px, 9999px, 75px, 0);
  }
  5% {
    clip: rect(61px, 9999px, 99px, 0);
  }
  10% {
    clip: rect(85px, 9999px, 31px, 0);
  }
  15% {
    clip: rect(28px, 9999px, 23px, 0);
  }
  20% {
    clip: rect(77px, 9999px, 100px, 0);
  }
  25% {
    clip: rect(98px, 9999px, 60px, 0);
  }
  30% {
    clip: rect(64px, 9999px, 87px, 0);
  }
  35% {
    clip: rect(4px, 9999px, 59px, 0);
  }
  40% {
    clip: rect(49px, 9999px, 63px, 0);
  }
  45% {
    clip: rect(89px, 9999px, 86px, 0);
  }
  50% {
    clip: rect(66px, 9999px, 12px, 0);
  }
  55% {
    clip: rect(24px, 9999px, 79px, 0);
  }
  60% {
    clip: rect(9px, 9999px, 9px, 0);
  }
  65% {
    clip: rect(30px, 9999px, 84px, 0);
  }
  70% {
    clip: rect(36px, 9999px, 10px, 0);
  }
  75% {
    clip: rect(92px, 9999px, 36px, 0);
  }
  80% {
    clip: rect(31px, 9999px, 13px, 0);
  }
  85% {
    clip: rect(14px, 9999px, 8px, 0);
  }
  90% {
    clip: rect(60px, 9999px, 13px, 0);
  }
  95% {
    clip: rect(45px, 9999px, 90px, 0);
  }
  100% {
    clip: rect(40px, 9999px, 62px, 0);
  }
}
.glitch:before {
  content: attr(data-text);
  position: absolute;
  left: -2px;
  text-shadow: 2px 0 blue;
  top: 0;
  color: white;
  background: black;
  overflow: hidden;
  clip: rect(0, 900px, 0, 0);
  animation: noise-anim-2 4s infinite linear alternate-reverse;
}