CaracoleSkeleton/templates/block/nav.html.twig

<ul id="menu">
    <li class="elm-menu">
        <a class="{{ app.request.attributes.get('_route') == '_homepage' ? 'selected' : '' }}" href="{{ path('_homepage') }}">{{ 'menu.home'|trans }}</a>
    </li>
    {% for page in getPagesNav() %}
        <li class="elm-menu">
            <a class="{{ app.request.get('pageSlug') == page.slug ? 'selected' : '' }}" href="{{ path('_page', {'pageSlug' : page.slug}) }}">{{ page.title }}</a>
        </li>
    {% endfor %}
</ul>

{% for lg, url in translated_urls() %}
    <a  class="{{ app.request.locale == lg ? 'selected' : '' }}" title="{{ "misc.switch"|trans({"%lang%": lg}) }}" href="{{ url }}">{{ lg }}</a>
    {% if lg == 'fr' %}
        <span class="slash">/</span>
    {% endif %}
{% endfor %}