{% with messages=get_flashed_messages(with_categories=true) %}
{% if messages %}
{% for category,message in messages %}

<div class="alert alert-{{category}} alert-dismissible fade show" role="alert">
  <strong>{{message}}</strong> 
  <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
</div>

{% endfor %}
{% endif %}
{% endwith %}