Menu items with percentage widths

	<?php

	/*
	* Equal Sized Menu Items
	* @author Bill Erickson
	* @link http://www.billerickson.net/menu-item-equal-widths/
	*
	* @param array $classes, current menu classes
	* @param object $item, current menu item
	* @param object $args, menu arguments
	* @return array $classes
	*/
	function be_equal_sized_menu_items( $classes, $item, $args ) {

	// Only run on the header menu
	if( 'header' !== $args->theme_location )
	return $classes;

	// Only run on top level menu items
	if( $item->menu_item_parent )
	return $classes;

	// Grab all menu items
	$menu_items = wp_get_nav_menu_items( $args->menu->term_id );

	// Remove submenu items
	foreach( $menu_items as $i => $menu_item )
	if( $menu_item->menu_item_parent )
	unset( $menu_items[$i] );

	// Count all top level items, and add as a class
	$classes[] = 'count-' . count( $menu_items );
	return $classes;

	}
	add_filter( 'nav_menu_css_class', 'be_equal_sized_menu_items', 10, 3 );

view raw functions.php hosted with ❤ by GitHub

	.genesis-nav-menu .menu-item.count-2 {
	width: 50%;
	}

	.genesis-nav-menu .menu-item.count-3 {
	width: 33.3333%;
	}

	.genesis-nav-menu .menu-item.count-4 {
	width: 25%;
	}

	.genesis-nav-menu .menu-item.count-5 {
	width: 20%;
	}

	.genesis-nav-menu .menu-item.count-6 {
	width: 16.666666667%;
	}

	.genesis-nav-menu .menu-item.count-7 {
	width: 14.285714286%;
	}

	.genesis-nav-menu .menu-item.count-8 {
	width: 12.5%;
	}

	.genesis-nav-menu .menu-item.count-9 {
	width: 11.111111111%;
	}

	.genesis-nav-menu .menu-item.count-10 {
	width: 10%;
	}

view raw style.css hosted with ❤ by GitHub