JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td class="u">
            <span class="no-u" style="text-decoration: none !important;">My Text</span>
        </td>
    </tr>
</table>

CSS

.u
{
    text-decoration: underline;
}

.no-u
{
    text-decoration: none !important;
}