JSFiddle - React, Tailwind, and code Playground

HTML

<table border="0" cellspacing="0" cellpadding="0">
    <tr>
        <td>1</td><td>2</td>
    </tr>
    <tr>
        <td>3</td><td></td>
    </tr>
</table>

CSS

table {}
table td {empty-cells:hide;border:3px solid;padding:3px;}