JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>Test</td>
    </tr>
    <tr>
        <td>Test</td>
    </tr>
    <tr>
        <td>Test</td>
    </tr>
    <tr>
        <td>Test</td>
    </tr>
    <tr>
        <td>Test</td>
    </tr>
</table>

CSS

tr:nth-child(even) {
    background:#face21;
}
tr:nth-child(odd) {
    background:#21face;
}