{{ form_start(form, {'attr': {'class': 'form-horizontal col-md-8 m-t-30 border border-info rounded p-3 m-t-20 offset-1'}}) }}
    <div class="row">
        <div class="col-md-10">
            <div class="form-group">
                {{ form_widget(form.sfm) }}
            </div>                                   
        </div>            
        <div class="col-md-2">
            <div class="ms-auto mt-3 mt-md-0">
                <button type="submit" class="btn btn-success text-white">{{'Form.Submit' | trans}}</button>
            </div>
        </div>
    </div>
    {{ form_rest(form) }}
{{ form_end(form) }}