mue/src/scss/_mixins.scss

// Source https://joshbroton.com/quick-fix-sass-mixins-for-css-keyframe-animations/
@mixin animation($animate...) {
  $max: length($animate);
  $animations: '';

  @for $i from 1 through $max {
    $animations: #{$animations + nth($animate, $i)};

    @if $i < $max {
      $animations: #{$animations + ', '};
    }
  }

  -webkit-animation: $animations;
  -moz-animation: $animations;
  animation: $animations;
}

@mixin keyframes($animationName) {
  @-webkit-keyframes #{$animationName} {
    @content;
  }

  @-moz-keyframes #{$animationName} {
    @content;
  }

  @keyframes #{$animationName} {
    @content;
  }
}