@each $breakpoint in map-keys($grid-breakpoints) {
  @include media-breakpoint-up($breakpoint) {
    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);

    @each $prop, $abbrev in (width: w, height: h) {
      @each $size, $length in $sizes {
        .#{$abbrev}#{$infix}-#{$size} { #{$prop}: $length !important; }
      }

      .#{$abbrev}#{$infix}-auto { #{$prop}: auto !important; }
    }
  }
}