JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr class="faded">
        <td><div>testtesttesttestt</div></td>
        <td><div>testtsttesttesttt</div></td>
    </tr>
</table>

CSS

.faded{
    background-color: rgba(255, 0, 0, 0.4);
    height: 100px;
}
td {
    opacity:0.4
}