iv>
                    </div>
                    <div class="col-sm-6">
                        <div class="form-group">
                            <label for="inputEmail3" class="col-sm-2 control-label">使用效果</label>
                            <div class="col-sm-10">
                                <a class="btn btn-primary" href="sample/carousel/fotorama.html" target="_blank">预览</a>
                            </div>
                        </div>
                    </div>
                