JSFiddle - React, Tailwind, and code Playground

HTML

<table id="first">
    <tr>
        <td>
            <div id="second"></div>
        </td>
    </tr>
</table>

CSS

#first {
    width: 200px;
    height: 200px;
    background-color: green;
}

#second {
    width: 50px;
    height: 400px;
    background-color: red;
    position: relative;
    left: 0px;
    top: 0px;
}