table.html

<table style="border-collapse: collapse; margin: 0px auto; padding: 0px;">
    <thead style="background: silver; font-size: 1.5em; font-weight: bold; padding: 5px; border-bottom: 2px solid grey;">This is the heading</thead>
    <tbody>
        <tr>
            <td style="border: 0px; padding: 5px; border: 1px solid grey;">things</td>
            <td style="border: 0px; padding: 5px; border: 1px solid grey;">more things</td>
        </tr>
    </tbody>
</table>