HOME

// animating icons
// --------------------------

.#{$fa-css-prefix}-beat {
  animation-name: #{$fa-css-prefix}-beat;
  animation-delay: var(--#{$fa-css-prefix}-animation-delay, 0);
  animation-direction: var(--#{$fa-css-prefix}-animation-direction, normal);
  animation-duration: var(--#{$fa-css-prefix}-animation-duration, 1s);
  animation-iteration-count: var(--#{$fa-css-prefix}-animation-iteration-count, infinite);
  animation-timing-function: var(--#{$fa-css-prefix}-animation-timing, ease-in-out);
}

.#{$fa-css-prefix}-bounce {
  animation-name: #{$fa-css-prefix}-bounce;
  animation-delay: var(--#{$fa-css-prefix}-animation-delay, 0);
  animation-direction: var(--#{$fa-css-prefix}-animation-direction, normal);
  animation-duration: var(--#{$fa-css-prefix}-animation-duration, 1s);
  animation-iteration-count: var(--#{$fa-css-prefix}-animation-iteration-count, infinite);
  animation-timing-function: var(--#{$fa-css-prefix}-animation-timing, cubic-bezier(0.280, 0.840, 0.420, 1));
}

.#{$fa-css-prefix}-fade {
  animation-name: #{$fa-css-prefix}-fade;
  animation-delay: var(--#{$fa-css-prefix}-animation-delay, 0);
  animation-direction: var(--#{$fa-css-prefix}-animation-direction, normal);
  animation-duration: var(--#{$fa-css-prefix}-animation-duration, 1s);
  animation-iteration-count: var(--#{$fa-css-prefix}-animation-iteration-count, infinite);
  animation-timing-function: var(--#{$fa-css-prefix}-animation-timing, cubic-bezier(.4, 0, .6, 1));
}

.#{$fa-css-prefix}-beat-fade {
  animation-name: #{$fa-css-prefix}-beat-fade;
  animation-delay: var(--#{$fa-css-prefix}-animation-delay, 0);
  animation-direction: var(--#{$fa-css-prefix}-animation-direction, normal);
  animation-duration: var(--#{$fa-css-prefix}-animation-duration, 1s);
  animation-iteration-count: var(--#{$fa-css-prefix}-animation-iteration-count, infinite);
  animation-timing-function: var(--#{$fa-css-prefix}-animation-timing, cubic-bezier(.4, 0, .6, 1));
}

.#{$fa-css-prefix}-flip {
  animation-name: #{$fa-css-prefix}-flip;
  animation-delay: var(--#{$fa-css-prefix}-animation-delay, 0);
  animation-direction: var(--#{$fa-css-prefix}-animation-direction, normal);
  animation-duration: var(--#{$fa-css-prefix}-animation-duration, 1s);
  animation-iteration-count: var(--#{$fa-css-prefix}-animation-iteration-count, infinite);
  animation-timing-function: var(--#{$fa-css-prefix}-animation-timing, ease-in-out);
}

.#{$fa-css-prefix}-shake {
  animation-name: #{$fa-css-prefix}-shake;
  animation-delay: var(--#{$fa-css-prefix}-animation-delay, 0);
  animation-direction: var(--#{$fa-css-prefix}-animation-direction, normal);
  animation-duration: var(--#{$fa-css-prefix}-animation-duration, 1s);
  animation-iteration-count: var(--#{$fa-css-prefix}-animation-iteration-count, infinite);
  animation-timing-function: var(--#{$fa-css-prefix}-animation-timing, linear);
}

.#{$fa-css-prefix}-spin {
  animation-name: #{$fa-css-prefix}-spin;
  animation-delay: var(--#{$fa-css-prefix}-animation-delay, 0);
  animation-direction: var(--#{$fa-css-prefix}-animation-direction, normal);
  animation-duration: var(--#{$fa-css-prefix}-animation-duration, 2s);
  animation-iteration-count: var(--#{$fa-css-prefix}-animation-iteration-count, infinite);
  animation-timing-function: var(--#{$fa-css-prefix}-animation-timing, linear);
}

.#{$fa-css-prefix}-spin-reverse {
  --#{$fa-css-prefix}-animation-direction: reverse;
}

.#{$fa-css-prefix}-pulse,
.#{$fa-css-prefix}-spin-pulse {
  animation-name: #{$fa-css-prefix}-spin;
  animation-direction: var(--#{$fa-css-prefix}-animation-direction, normal);
  animation-duration: var(--#{$fa-css-prefix}-animation-duration, 1s);
  animation-iteration-count: var(--#{$fa-css-prefix}-animation-iteration-count, infinite);
  animation-timing-function: var(--#{$fa-css-prefix}-animation-timing, steps(8));
}

// if agent or operating system prefers reduced motion, disable animations
// see: https://www.smashingmagazine.com/2020/09/design-reduced-motion-sensitivities/
// see: https://developer.mozilla.org/en-US/docs/Web/CSS/@media/prefers-reduced-motion
@media (prefers-reduced-motion: reduce) {

  .#{$fa-css-prefix}-beat,
  .#{$fa-css-prefix}-bounce,
  .#{$fa-css-prefix}-fade,
  .#{$fa-css-prefix}-beat-fade,
  .#{$fa-css-prefix}-flip,
  .#{$fa-css-prefix}-pulse,
  .#{$fa-css-prefix}-shake,
  .#{$fa-css-prefix}-spin,
  .#{$fa-css-prefix}-spin-pulse {
    animation-delay: -1ms;
    animation-duration: 1ms;
    animation-iteration-count: 1;
    transition-delay: 0s;
    transition-duration: 0s;
  }
}

@keyframes #{$fa-css-prefix}-beat {

  0%,
  90% {
    transform: scale(1);
  }

  45% {
    transform: scale(var(--#{$fa-css-prefix}-beat-scale, 1.25));
  }
}

@keyframes #{$fa-css-prefix}-bounce {
  0% {
    transform: scale(1, 1) translateY(0);
  }

  10% {
    transform: scale(var(--#{$fa-css-prefix}-bounce-start-scale-x, 1.1), var(--#{$fa-css-prefix}-bounce-start-scale-y, 0.9)) translateY(0);
  }

  30% {
    transform: scale(var(--#{$fa-css-prefix}-bounce-jump-scale-x, 0.9), var(--#{$fa-css-prefix}-bounce-jump-scale-y, 1.1)) translateY(var(--#{$fa-css-prefix}-bounce-height, -0.5em));
  }

  50% {
    transform: scale(var(--#{$fa-css-prefix}-bounce-land-scale-x, 1.05), var(--#{$fa-css-prefix}-bounce-land-scale-y, 0.95)) translateY(0);
  }

  57% {
    transform: scale(1, 1) translateY(var(--#{$fa-css-prefix}-bounce-rebound, -0.125em));
  }

  64% {
    transform: scale(1, 1) translateY(0);
  }

  100% {
    transform: scale(1, 1) translateY(0);
  }
}

@keyframes #{$fa-css-prefix}-fade {
  50% {
    opacity: var(--#{$fa-css-prefix}-fade-opacity, 0.4);
  }
}

@keyframes #{$fa-css-prefix}-beat-fade {

  0%,
  100% {
    opacity: var(--#{$fa-css-prefix}-beat-fade-opacity, 0.4);
    transform: scale(1);
  }

  50% {
    opacity: 1;
    transform: scale(var(--#{$fa-css-prefix}-beat-fade-scale, 1.125));
  }
}

@keyframes #{$fa-css-prefix}-flip {
  50% {
    transform: rotate3d(var(--#{$fa-css-prefix}-flip-x, 0), var(--#{$fa-css-prefix}-flip-y, 1), var(--#{$fa-css-prefix}-flip-z, 0), var(--#{$fa-css-prefix}-flip-angle, -180deg));
  }
}

@keyframes #{$fa-css-prefix}-shake {
  0% {
    transform: rotate(-15deg);
  }

  4% {
    transform: rotate(15deg);
  }

  8%,
  24% {
    transform: rotate(-18deg);
  }

  12%,
  28% {
    transform: rotate(18deg);
  }

  16% {
    transform: rotate(-22deg);
  }

  20% {
    transform: rotate(22deg);
  }

  32% {
    transform: rotate(-12deg);
  }

  36% {
    transform: rotate(12deg);
  }

  40%,
  100% {
    transform: rotate(0deg);
  }
}

@keyframes #{$fa-css-prefix}-spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(360deg);
  }
}