<table style="table-layout: fixed; width: 200px; border-collapse: collapse;">
    <col style="width: 10px;">
    <col style="width: 10px;">
    <col style="width: 10px;">
    <col style="width: 80px;">
    <col style="width: 90px;">
    <tbody>
        <tr>
            <td></td>
            <td colspan="3" style="height: 50px; background-color: green;"></td>
            <td></td>
            <td></td>
        </tr>
    </tbody>
</table>
<table style="table-layout: fixed; width: 200px; border-collapse: collapse;">
    <col span = "2" style="width: 10px;">
    <col style="width: 80px;">
    <col style="width: 10px;">
    <tbody>
        <tr>
            <td></td>
            <td colspan="3" style="height: 50px; background-color: green;"></td>
            <td></td>
        </tr>
    </tbody>
</table>