// ==================================================
// Gutter Width
// ==================================================
@function gutter-width($_percent: true) {
  $_gutter-width-fraction: $grid-gutter / $grid-width;

  @if $_percent == true {
    $_gutter-width-percent : $_gutter-width-fraction * 100%;

    @return $_gutter-width-percent;
  }
  @else {
    @return $grid-gutter;
  }
}