lbry.tech/app/sass/partials/_animation.scss

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(1turn);
  }
}

@keyframes slide-down {
  0% {
    transform: translateY(-4rem);
  }

  10% {
    transform: translateY(2rem);
  }

  90% {
    transform: translateY(2rem);
  }

  100% {
    transform: translateY(-4rem);
  }
}