@function g1_get_column_width( $units:1, $total_units:12 ) {
    $gutters:$units - 1;
    $total_gutters:$total_units - 1;

    $gutter:$grid_gutter_width / $grid_width;

    $unit:(1 - $total_gutters * $gutter) / $total_units;

    $return:percentage($units * $unit + $gutters * $gutter);
    @return $return;
}


@function if-stack($_s, $if, $else: null) {
    @if $_s == $stack {
        @return $if;
    }
    @else {
        @return $else;
    }
}