added dropdown menus to top navigation

library/navigation.php

@@ -26,8 +26,8 @@ if ( ! function_exists( 'foundationpress_top_bar_r' ) ) {
 		wp_nav_menu(
 			array(
 				'container'      => false,
-				'menu_class'     => 'menu',
-				'items_wrap'     => '<ul id="%1$s" class="%2$s">%3$s</ul>',
+				'menu_class'     => 'dropdown menu',
+				'items_wrap'     => '<ul id="%1$s" class="%2$s" data-dropdown-menu>%3$s</ul>',
 				'theme_location' => 'top-bar-r',
 				'depth'          => 3,
 				'fallback_cb'    => false,