JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
    <div class="inner"></div>
</div>

CSS

.outer {
    background-color: red;
    font-size: 150px;
}
.inner {
    display: inline-block;
    width: 480px;
    height: 140px;
    background-color: green;
    vertical-align: top;
}