briznad

@function _grid($columns, $total-columns: 12, $breakpoint: small, $external: true) {
  $gutter-compensation: null;
  $gutter-width: map-get($grid-gutters, $breakpoint);

  @if $external {
    $gutter-compensation: $gutter-width * 0.5;
  } @else {
    $gutter-compensation: $gutter-width * -1;
  }