小编use*_*136的帖子

我尝试删除Table1Header和Table2Header之间的空白区域.我尝试过border:0px,padding:0px和border-spacing:0px; 样式.Firefox和Opera告诉我,我的边框间距样式被用户代理样式(2px)所覆盖.如何强制浏览器使用我的样式？

http://jsfiddle.net/cdjDR/2/

<table class="tableGroup">
    <tbody>
        <tr>
            <td>
                <table>
                    <tbody>
                        <tr class="tableHeader">
                            <td><span class="tableHeader"><label>Table1Header</label></span>

                            </td>
                        </tr>
                        <tr class=" tableData">
                            <td>
                                <div class="ui-datatable">
                                    <div>
                                        <table>
                                            <thead>
                                                <tr>
                                                    <th>
                                                        <div><span><span class="ui-header-text">Table1Col1</span></span>
                                                        </div>
                                                    </th>
                                                </tr>
                                            </thead>
                                            <tbody>
                                                <tr>
                                                    <td><span>2</span>

                                                    </td>
                                                </tr>
                                            </tbody>
                                        </table>
                                    </div>
                                </div>
                            </td>
                        </tr>
                    </tbody>
                </table>
            </td>
            <td>
                <table>
                    <tbody>
                        <tr class="tableHeader">
                            <td><span class="tableHeader"><label>Table2Header</label></span>

                            </td>
                        </tr>
                        <tr class="tableData">
                            <td>
                                <div class="ui-datatable">
                                    <div>
                                        <table>
                                            <thead>
                                                <tr>
                                                    <th>
                                                        <div><span><span class="ui-header-text" >Table2Col1</span></span>
                                                        </div>
                                                    </th>
                                                </tr>
                                            </thead>
                                            <tbody>
                                                <tr>
                                                    <td><span>12345</span>

                                                    </td>
                                                </tr>
                                            </tbody>
                                        </table> …