JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/font-awesome/4.0.3/css/font-awesome.css">
<i class="fa fa-stack-overflow"></i>

CSS

.fa-stack-overflow {
    font-size:30px;
    color:orange;
}