{% for label, messages in app.flashes %}
        <div class="col-8 mt-2 mx-auto alert alert-{{label}} alert-dismissible fade show">
            {% for message in messages %}
                <p>{{ message|raw }}</p>
            {% endfor %}
            <button type="button" class="close" data-dismiss="alert" aria-label="Close">
                <span aria-hidden="true">&times;</span>
            </button>
        </div>
{% endfor %}