{% load bootstrap4 %}
<form action="" method="POST">{% csrf_token %}
  {% bootstrap_field form.sujet show_label=False %}
  {% bootstrap_field form.text show_label=False %}
  <div class="ml-auto">
      {% bootstrap_button "Ajouter la note" button_type="submit" button_class="btn-primary btn-sm btn-block" %}
  </div>
</form>
{{ form.media.js }}{{ form.media.css }}