<table>
    <tr>
        <td><b>Main Header</b></td>
        <td><b>Content</b></td>
    </tr>
    <tr>
        <td>First Column, First Cell</td>
        <td>First Column, Second Cell</td>
    </tr>
   <tr>
        <td>Second Column, First Cell</td>
        <td>Second Column, Second Cell</td>
    </tr>

 </table>