JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<span>something</span>

CSS

span{
  color: #666;
}
span:before{
	content: "\f059";
	display: inline-block;
	vertical-align: middle;
	font-size: 15px;
  font-family: FontAwesome;
	color: #999;
  margin-right: 10px;
}

span:hover{
  color: red;
}