JSFiddle - React, Tailwind, and code Playground

HTML

<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
<div class="parent">
<div class='test'><span class="glyphicon glyphicon-ok-sign"></span></div>
</div>

CSS

.parent {
      background-color: #66727E;
}
.test{
    width:25px;
    height:25px;
    background: #2E5EFF;
    padding: 3px;
    border-radius: 100%;
    color: white;
    text-align:center
}