themes-wordpress/karuna/components/navigation/navigation-top.php

<nav id="site-navigation" class="main-navigation" role="navigation">
	<button class="menu-toggle" aria-controls="top-menu" aria-expanded="false"><span class="genericon genericon-menu"></span><?php esc_html_e( 'Menu', 'karuna' ); ?></button>
	<?php wp_nav_menu( array( 'theme_location' => 'menu-1', 'menu_id' => 'top-menu' ) ); ?>
</nav><!-- #site-navigation -->