<style>
    table {
        border: 5px solid black;
        text-align: center;
        border-collapse: separate;
        border-spacing: 10px;
        padding-left: 10px;
        padding-right: 10px;
    }

    td {
        border: 5px solid blue;
        padding: 10px;
    }
</style>

<table>
    <tr>
        <td>A</td>
        <td>B</td>
    </tr>
</table>