JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/font-awesome/4.0.0/css/font-awesome.css">
<div class="square">
    <span class="fa-stack ">
      <i class="fa fa-file fa-stack-2x fa-inverse"></i>
      <i class="fa fa-refresh fa-stack-1x " style="margin-top: 6px; "></i>
    </span>
</div>

CSS

.square{
    background-color: rgb(51, 179, 77);
    width: 32px; 
    height: 32px;
}