{{ form_start(form) }}
        {{ form_row(form._token) }}

            <div class="form-group row">
                {{ form_label(form.montant_frais_et, "Montant" , {'label_attr': {'class': 'col-sm-12 col-form-label'}}) }}
                <div class="col-sm-12">
                    {{ form_widget(form.montant_frais_et) }}
                </div>
            </div>
            <div class="form-group row">
                {{ form_label(form.classe, "Classe" , {'label_attr': {'class': 'col-sm-12 col-form-label font-weight-bold'}}) }}
                <div class="col-sm-12">
                    {{ form_widget(form.classe) }}
                </div>
            </div>
            <div class="text-center">
                <button type="submit" class="btn btn-primary" value="Sauvegarder">Sauvegarder</button>
            </div>

    {{ form_end(form) }}