{# Hidden block used for creating toast notification #}
<div id="toastContainerBuilder" class="hidden">
  {% for label, messages in app.flashes %}
    {% for message in messages %}
      {# Custom HTML element, for prevent side effect of css #}
      <gda-error-node data-level="{{ label }}" data-message="{{ message }}"></gda-error-node>
    {% endfor %}
  {% endfor %}
</div>