div 内table 居中

css代码：　　

　     #dlgReply
        {
            /*display: table-cell;
            text-align: center;*/
            vertical-align: middle;
        }
        table
        {
            margin-left: auto;
            margin-right: auto;
        }

html代码：

<div id="dlgReply">
        <table>
            <tr>
                <td>
                    <label>
                        电话：
                    </label>
                </td>
                <td>
                    <input type="text" class="textbox" id="" />
                </td>
            </tr>
        </table>
    </div>