SASS: Animation Mixin

Animation mixin

@mixin keyframes($name) {
  @-webkit-keyframes #{$name} {
    @content
  }
  @-moz-keyframes #{$name} {
    @content
  }
  @-ms-keyframes #{$name} {
    @content
  }
  @-o-keyframes #{$name} {
    @content
  }
  @keyframes #{$name} {
    @content
  }
}

@mixin animation($value) {
  -webkit-animation: $value;
  -moz-animation: $value;
  -ms-animation: $value;
  -o-animation: $value;
  animation: $value;
}

@include keyframes(move) {
  0%   { left: 0; }
  100% { left: 100px; }
}

.box {
  @include animation(move 0.5s ease infinite alternate);
}