JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td>1</td>
        <td>1</td>
        <td>1</td>
    </tr>
    <tr>
        <td>2</td>
        <td>2</td>
        <td>2</td>
    </tr>
    <tr>
        <td>3</td>
        <td>3</td>
        <td>3</td>
    </tr>
</table>

CSS

table {
    width: 100px;
    height: 30px;
    border: 1px solid #000;
    text-align: center;
}
tr:hover {
    background-color: #f00;
    color: #fff;
}