be horizontal or vertical
    $stretch: true // Set to false for a condensed menu
  );

  // Add styles for the menu bar items and text
  @include menu-bar-style(
    $background: #000, // Background color of items
    $background-hover: #333, // Background color of item on hover
    $background-active: #666, // Background color of an active item
    $color: #fff, // Text color of items
    $color-hover, // Text color of item on hover
    $color-active, // Text color of item when active
    $autocolor: fals