/** glitch **/
$gap-horizontal: 10px;

header {
  animation-name: glitch-anim-text;
  animation-duration: 2s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;

}

@keyframes glitch-anim-text {
  0% { 
    transform: translate3d(calc(-1 * #{$gap-horizontal}),0,0) scale3d(-1,-1,1);
    -webkit-clip-path: polygon(0 20%, 100% 20%, 100% 21%, 0 21%);
    clip-path: polygon(0 20%, 100% 20%, 100% 21%, 0 21%);
  }
  2% {
    -webkit-clip-path: polygon(0 33%, 100% 33%, 100% 33%, 0 33%);
    clip-path: polygon(0 33%, 100% 33%, 100% 33%, 0 33%);
  }
  4% {
    -webkit-clip-path: polygon(0 44%, 100% 44%, 100% 44%, 0 44%);
    clip-path: polygon(0 44%, 100% 44%, 100% 44%, 0 44%);
  }
  5% {
    -webkit-clip-path: polygon(0 50%, 100% 50%, 100% 20%, 0 20%);
    clip-path: polygon(0 50%, 100% 50%, 100% 20%, 0 20%);
  }
  6% {
    -webkit-clip-path: polygon(0 70%, 100% 70%, 100% 70%, 0 70%);
    clip-path: polygon(0 70%, 100% 70%, 100% 70%, 0 70%);
  }
  7% {
    -webkit-clip-path: polygon(0 80%, 100% 80%, 100% 80%, 0 80%);
    clip-path: polygon(0 80%, 100% 80%, 100% 80%, 0 80%);
  }
  8% {
    -webkit-clip-path: polygon(0 50%, 100% 50%, 100% 55%, 0 55%);
    clip-path: polygon(0 50%, 100% 50%, 100% 55%, 0 55%);
  }
  9% {
    -webkit-clip-path: polygon(0 70%, 100% 70%, 100% 80%, 0 80%);
    clip-path: polygon(0 70%, 100% 70%, 100% 80%, 0 80%);
  }
  9.9% {
    transform: translate3d(calc(-1 * #{$gap-horizontal}),0,0) scale3d(-1,-1,1);
  }
  10%, 46% {
    transform: translate3d(0,0,0) scale3d(1,1,1);
    -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
  }


  47% {
    -webkit-clip-path: polygon(0 80%, 100% 80%, 100% 80%, 0 80%);
    clip-path: polygon(0 80%, 100% 80%, 100% 80%, 0 80%);
  }
  48% {
    -webkit-clip-path: polygon(0 50%, 100% 50%, 100% 55%, 0 55%);
    clip-path: polygon(0 50%, 100% 50%, 100% 55%, 0 55%);
  }
  49% {
    transform: translate3d(calc(-1 * #{$gap-horizontal}),0,0) scale3d(-1,-1,1);
  }


  50%, 100% {
    transform: translate3d(0,0,0) scale3d(1,1,1);
    -webkit-clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0% 100%);
  }
}