Ultrachromic/effects/pan-animation.css at main · nongyun/Ultrachromic · GitHub

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@keyframes backgroundScroll {
  0% {
    background-position: 99% 1%; opacity: 0;
  }
  2% {
    opacity: 1;
  }
  20% {
    background-position: 1% 50%;
  }
  40% {
    background-position: 99% 99%;
  }
  60% {
    background-position: 1% 1%;
  }
  80% {
    background-position: 50% 99%;
  }
  100% {
    background-position: 99% 1%;
  }
}


@keyframes backgroundScrollmob {
  0% {
    background-position: 99% 1%; opacity: 0;
  }
  12% {
    opacity: 1;
  }
  88% {
    opacity: 1;
  }
  100% {
    background-position: 50% 50%; opacity: 0;
  }
}


@media all and (min-width: 100em){
  .backdropImage {
    background-size: 150% 150%;
    background-position: 99% 1%;
    animation: backgroundScroll 630s ease;
    animation-iteration-count: infinite;
  }
}

@media all and (max-width: 100em){
  .backdropImage {
    /*background-size: 150% 150%;*/
    background-position: 99% 1%;
    animation: backgroundScrollmob 25s ease;
    animation-iteration-count: infinite;
  }
}