Use settings to change the default templates used for each tag Specify templates using template and sub_menu_template arguments for any of the included menu tags (See Specifying menu templates using template tag parameters). Put your templates in a preferred location within your project and wagtailmenus will pick them up automatically (See Using preferred paths and names for your templates).
Dónde especificar las plantillas para los menús. Si no usas las tuyas, el paquete usa plantillas por defecto usando bootstrap3