JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>
            <div></div>
        </td>
    </tr>
</table>

CSS

td {
    position : relative;
    width    : 40px;
    height   : 40px;
}
div {
    position   : absolute;
    top        : 0;
    width      : 100%;
    height     : 100%;
    background : #000000;
}