>
                                    <label class="font-noraml">事件</label>
                                    <div class="well">
                                        <a href="#" class="btn small demo colorpicker-element" id="demo_apidemo" data-color="rgb(255, 255, 255)">改变背景颜色</a>
                                    </div>
                                </div>
                                <div class="form-group">
                                    <label class="font-noraml">RGBA颜