bootstrap中模态框、模态框的属性

<div class="modal fade" id="userModal" tabindex="-1" 
role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"
 data-backdrop="static" data-keyboard="false"> 
        <div class="modal-dialog"> 
            <div class="modal-content"> 
                <div class="modal-header"> 
                    <button type="button" class="close" data-dismiss="modal" 
aria-hidden="true" id="btnCancel"> 
                        &times; 
                    </button> 
                    <h4 class="modal-title" id="myModalLabel"> 
                        前台菜单管理 
                    </h4> 
                </div> 

                    <div class="modal-body"> 
                        <div> 

                            <table width="100%" border="0" class="userCon_2"> 
                                <tr> 
                                    <th width="30%">名称：</th> 
                                    <td width="70%"> 
                                        <input type="text" name="Name" class="form-control" 
style="border-radius:3px; width:220px;" 
id="txtName" required="" aria-required="true"> 
                                    </td> 
                                </tr> 
                                <tr> 
                                    <th>动作类型：</th> 
                                    <td> 
                                        <select class="selectpicker show-tick" 
id="txtType" style="height: 30px; width: 220px;" name="Type"> 
                                            <option value="view">view</option> 
                                            <option value="click">click</option> 
                                        </select> 
                                    </td> 
                                </tr> 

                                <tr> 
                                    <th>路径：</th> 
                                    <td> 
                                        <input type="text" name="Url" class="form-control" 
style="border-radius:3px; width:220px;" 
id="txtUrl" required="" aria-required="true" /> 
                                    </td> 
                                </tr> 
                                <tr> 
                                    <th>排序：</th> 
                                    <td> 
                                        <input type="text" name="Rank" class="form-control" 
style="border-radius:3px; width:220px;" id="txtRank" /> 
                                        <input type="hidden" name="MainMenuGuid" value="" 
id="txtMainMenuGuid" /> 

                                    </td> 
                                </tr> 
                            </table> 
                        </div> 
                    </div> 
                    <div class="modal-footer" style="border-top:none;"> 
                        <button type="button" class="btn btn-default" 
data-dismiss="modal" id="btnClose">关闭</button> 
                        <button type="submit" class="btn btn-primary" 
id="btnSave">保存</button> 
                    </div> 


            </div><!-- /.modal-content --> 
        </div><!-- /.modal --> 
    </div>

<div id="toolbar" class="btn-group"> 
            <button id="btn_add" type="button" class="btn btn-newAdd" 
data-toggle="modal" data-target="#userModal"> 
                <span class="glyphicon glyphicon-plus" 
aria-hidden="true"></span>新增 
            </button> 
            <button id="btn_edit" type="button" class="btn btn-newAdd"> 
                <span class="glyphicon glyphicon-edit" 
aria-hidden="true"></span>修改 
            </button> 
            <button id="btn_delete" type="button" class="btn btn-newAdd"> 
                <span class="glyphicon glyphicon-remove" 
aria-hidden="true"></span>删除 
            </button> 

</div>