JSFiddle - React, Tailwind, and code Playground

HTML

<table border="1" width="100%">
    <tr>
        <td>
            <div class="top_row">
                <div>Hello</div>
                <div>World</div>
            </div>
            <div class="top_row">
                Hello
            </div>
        </td>
    </tr>
</table>

CSS

.top_row {
    display: table;
    width: 100%;
}

.top_row > div {
    display: table-cell;
    width: 50%;
    border-bottom: 1px solid #eee;
}