JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">
<ul>
    <li>Item 1</li>
    <li>Item 2</li>
</ul>

CSS

ul{
    list-style:none;
    color:#888;
    font-size:24px;
}

ul li:before{
    font-family: FontAwesome;
    content:"\f054";
}