{{ form_start(form) }}<div class="row"> <div class="col-lg-2 form-group"> {{ form_row(form.annee) }} </div> <div class="col-lg-2 form-group"> <button class="btn btn-primary" style="margin-top: 21px">{{ button_label|default('Appliquer') }}</button> </div></div>{{ form_end(form) }}