{% if app.request.hasPreviousSession %}
<div class="center">
    {% for type, messages in app.session.flashbag.all() %}
        
            <div class="flash">
                {% for message in messages %}
                    <div class="flash-{{ type }}">
                        {{ message }}
                    </div>
                {% endfor %}
            </div>
    

    {% endfor %}
    </div>
{% endif %}