owl-map/templates/flash_msg.html

{% with messages = get_flashed_messages() %}
  {% if messages %}
    {% for message in messages %}
      <div class="alert alert-success alert-dismissible" role="alert">
        <button type="button" class="close" data-dismiss="alert" aria-label="Close">
          <span aria-hidden="true">&times;</span>
        </button>
        {{ message }}
      </div>
    {% endfor %}
  {% endif %}
{% endwith %}