JSFiddle - React, Tailwind, and code Playground

HTML

<div id="nutrition-fact-content">
    <table>
        <tr>
            <td>Row 1, Col 1</td>
            <td>Row 1, Col 2</td>
            <td>Row 1, Col 3</td>
        </tr>
        <tr>
            <td>Row 2, Col 1</td>
            <td>Row 2, Col 2</td>
            <td>Row 2, Col 3</td>
        </tr>
        <tr>
            <td>Row 3, Col 1</td>
            <td>Row 3, Col 2</td>
            <td>Row 3, Col 3</td>
        </tr>
    </table>
</div>

CSS

.product-volume { color: #FF0000; }
.flavor-name { color: #0000FF; }

JavaScript

$('div#nutrition-fact-content table tr:first td:first').addClass('product-volume');
$('div#nutrition-fact-content table tr:first td:last').addClass('flavor-name');