kspace-wordpress-theme/components/navbar-pages.php

<nav class="toolbar flex-that">
  <ul>
    <li>
      <a href="<?php bloginfo('rss2_url'); ?>" class="btn btn-navbar">
        <i class="fa fa-home"  aria-hidden="true"></i><span class="sr-only">Accueil</span>
      </a>
    </li>
    <li>
      <span class="btn btn-navbar">
        Catégories <i class="fa fa-caret-down" aria-hidden="true"></i>
        <ul class="card-menu">
          <?php
            $categories = get_categories( array(
              'orderby' => 'name',
              'order'   => 'ASC'
            ) );

            foreach( $categories as $category ) {
              if ($category->slug != "blog" && $category->slug != "chapters") {
                echo '<li><a class="menu-element" href="' . get_category_link($category->term_id) . '">' . $category->name . '</a></li>';
                }
            }?>
        </ul>
      </span>
    </li>
    <?php
      $listmenu = get_nav_menu_locations();
      $menu = wp_get_nav_menu_items($listmenu['top-navbar']);
        foreach ($menu as $menuElement) {
          echo '<li><a href="' . $menuElement->url . '" class="btn btn-navbar">'. $menuElement->title . '</a></li>';
        }
      ?>
  </ul>

  <ul>
    <?php
      $listmenu = get_nav_menu_locations();
      $menu = wp_get_nav_menu_items($listmenu['top-navbar-2']);
        foreach ($menu as $menuElement) {
          echo '<li><a href="' . $menuElement->url . '" class="btn btn-navbar">'. $menuElement->title . '</a></li>';
        }
      ?>
    <li><a href="<?php bloginfo('rss2_url'); ?>" class="btn btn-navbar"><i class="fa fa-rss"  aria-hidden="true"></i><span class="sr-only">Flux RSS du site</span></a></li>
  </ul>
</nav>