                   <div class="form-group row">
                        <label class="control-label col-sm-3 col-md-2"></label>
                        <div class="col-sm-9 col-md-8">
                            <button class="btn btn-primary">Envoyer                                <img  id="loader" src="https://www.algerietelecom.dz/assets/front/img/loader.gif" style="display:none;margin:0 10px;height:20px"/>
                            </button>
                        </div>
                    </d