$parent-columns: $grid-columns !default; $fg-column: $column; $fg-gutter: $gutter; $fg-max-columns: $grid-columns; $container-display-table: false !default; $layout-direction: nil !default;

@function flex-grid($columns, $container-columns: $fg-max-columns) {

$width: $columns * $fg-column + ($columns - 1) * $fg-gutter;
$container-width: $container-columns * $fg-column + ($container-columns - 1) * $fg-gutter;
@return percentage($width / $container-width);

}

@function flex-gutter($container-columns: $fg-max-columns, $gutter: $fg-gutter) {

$container-width: $container-columns * $fg-column + ($container-columns - 1) * $fg-gutter;
@return percentage($gutter / $container-width);

}

@function grid-width($n) {

@return $n * $gw-column + ($n - 1) * $gw-gutter;

}

@function get-parent-columns($columns) {

@if $columns != $grid-columns {
  $parent-columns: $columns !global;
} @else {
  $parent-columns: $grid-columns !global;
}

@return $parent-columns;

}

@function is-display-table($container-is-display-table, $display) {

$display-table: false;

@if $container-is-display-table == true {
  $display-table: true;
} @else if $display == table {
  $display-table: true;
}

@return $display-table;

}