Animation keyframes mixin with unique ID

SassMeister-input.scss

// ----
// Sass (v3.4.12)
// Compass (v1.0.3)
// ----

// Inspired by http://roy.io/tbt

@mixin animation-keyframes($animation-name) {
  @keyframes #{$animation-name} {
    @at-root {
      @content; // at-root only necessary for Sass < 3.2
    }
  }
}

.some-element {
  animation: 10s linear infinite;
  $animation-name: unique-id();
  animation-name: $animation-name;
  @include animation-keyframes($animation-name) {
    from {
      background-position: 0% 0%;
    }
    to {
      background-position: 114.2857% 0%;
    }
  }
}

SassMeister-output.css

.some-element {
  animation: 10s linear infinite;
  animation-name: ukzvabf13;
}
@keyframes ukzvabf13 {
  from {
    background-position: 0% 0%;
  }
  to {
    background-position: 114.2857% 0%;
  }
}