app.kluk.fr/app/views/application/_entete.html.erb

<header class="entete">
  <%= link_to "kluk", root_path, class: "logo", "aria-label": "Kluk, retour à l'accueil" %>
  <nav class="nav" aria-label="Navigation principale">
    <ul>
      <% if authenticated? %>
        <li><%= lien_nav "Mes humeurs", dashboard_path %></li>
        <li><%= button_to "Se déconnecter", session_path, method: :delete, class: "bouton bouton-petit" %></li>
      <% else %>
        <li><%= lien_nav "Se connecter", new_session_path, class: "bouton bouton-petit" %></li>
      <% end %>
    </ul>
  </nav>
</header>