<nav aria-label="breadcrumb">
    <ol class="breadcrumb">
        {% for cat in categories %}
            <li class="breadcrumb-item">
                <a href="{{ url_route('adv_list_seo', [cat.slug]) }}" class="text-primary">{{ cat['name'] }}</a>
            </li>
        {% endfor %}
        <input class="hidden" id="adv-id" value="{{ adv.id }}">
    </ol>
</nav>