JSFiddle - React, Tailwind, and code Playground

HTML

<table>
    <tr>
        <td class="fill">I fill out all the available space!</td>
        <td class="fixed">I'm 50px width!</td>
    </tr>
</table>

CSS

table {
    table-layout: fixed;
    padding: 25px;
    background: #eee;
    border-spacing: 0;
    border-collapse: separate;
    width: 100%;
}

tr, td {
    padding: 5px;
}

.fill {
    background: #cee;
}

.fixed {
    width: 50px;
    background: #ece;
}

* {
    box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
}