JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>row 1, cell 1</td>
        <td>row 1, cell 2</td>
    </tr>
    <tr>
        <td>row 2, cell 1</td>
        <td>row 2, cell 2</td>
    </tr>
</table>

CSS

table {
    border-collapse: collapse;
}

td, th {
    border: 1px solid black;
    padding: 3px;
}