<!-- navigation classique--> 
    <nav class="navbar"> 
        <div class="navbar-brand"> 
          <a class="navbar-item" href="<?php echo home_url(); ?>" title="<?php bloginfo(); ?>"> 
            <img src="<?php echo get_template_directory_uri(); ?>/css/img/logo.svg" width="70px" alt="logo"> 
            <p class="is-size-5"><?php bloginfo('name');?></p> 
          </a>   
        </div> 
          <div id="menu" class="navbar-menu"> 
              <div class="navbar-end"> 
                  <?php wp_nav_menu(array( 
                  'theme-location' => 'header-menu', //change it according to your register_nav_menus() function 
                  'depth' => 2, 
                  'container' => 'navbar-end', 
                  'items_wrap' => '%3$s', 
                  'walker' => new Bulma_Walker(), 
                  )); 
                  ?> 
              </div> 
            <div class="navbar-item "> 
              <a class="button is-primary" href="<?php the_permalink(122) ?> ">Sign up</a> 
            </div> 
        </div> 
    </nav> 
<!-- / navigation classique-->