'primary', 'container' => 'nav-collapse collapse '.(is_rtl() ? 'navbar-inverse-collapse': ''), 'menu_class' => 'nav navbar-nav mx-auto '.(is_rtl() ? 'sm-rtl': ''), 'fallback_cb' => 'blogus_fallback_page_menu', 'walker' => new blogus_nav_walker() ) ); ?>