Configure the navigation
Create a menu
SingleBox uses only the Primary Navigation menu. Go to Appearance > Menus and create a new. The name of the menu is not important. Add the pages to the menu and save the menu.
Assign menu to theme
After creating a menu you can asing your new menu to the right location within the theme. Go to Appearance > Menu and click the Manage Locations tab. Asign your menu here to the Primary Navigation Menu and Save the Changes. Your menu is now set.
The menu is designed for using subpages. The subpages will show in a dropdown menu. It is recommended not to use sub sub pages.