JSFiddle - React, Tailwind, and code Playground

HTML

<div id="a">
    <table id="b">
        <tr><td></td></tr>
    </table>
</div>

CSS

* {
    margin: 0;
    padding: 0;
    -moz-box-sizing: border-box; -webkit-box-sizing: border-box; box-sizing: border-box;
}

#a {
    background-color: yellow;
    padding-left: 50px;
}

#b {
    background-color:red;
    height: 50px;
    width: 100%;
}