JSFiddle - React, Tailwind, and code Playground

by oduska

HTML

<style id="style" contenteditable>
    .box { background: blue; }
</style>

<div class="box">
    Box
</div>

CSS

#style {
    display: block;
    border: 1px solid #ccc;
    padding: 0.5em;
    margin: 0 0 1em 0;
}