muerwre.github.io/assets/css/_mixins.scss

@import "./variables";

@mixin phone {
  @media (max-width: $size-phone) {
    @content;
  }
}

@mixin tablet {
  @media (max-width: $size-tablet) {
    @content;
  }
}

@mixin desktop {
  @media (max-width: $size-desktop) {
    @content;
  }
}

@mixin color-per-child($colors) {
  @each $color in $colors {
    &:nth-child(#{index(($colors), ($color))}) {
      color: $color;
    }
  }
}