@each $breakpoint, $px in $breakpoints-min {
  @media (min-width: map-get($breakpoints-min, #{$breakpoint})) {
    $i: $s-min-font-size;

    @while $i <= $s-max-font-size {
      .#{$breakpoint}\:fs-#{$i} {
        font-size: ($i/$s-body-font-size) * 1rem !important;
      }

      $i: $i + $s-increment-font;
    }
  }
}