{% set flashes = app.flashes %}
{% if flashes is not empty %}
<div class="flash-stack" aria-live="polite">
    {% for type, messages in flashes %}
        {% for message in messages %}
            {% set cls = type in ['success','error','warning','info'] ? type : 'info' %}
            <div class="flash flash--{{ cls }}" role="status">
                <span class="flash__msg">{{ message }}</span>
                <button class="flash__close" aria-label="Fermer">&times;</button>
            </div>
        {% endfor %}
    {% endfor %}
</div>
{% endif %}