JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.0/css/bootstrap.min.css">
<button type="button" class="btn btn-default">Active</button>
<br/><br/>
<button type="button" class="btn btn-default btn-lg">Active</button>
<br/><br/>
<button type="button" class="btn btn-default btn-xl">Active</button>
<br/><br/>

CSS

.btn-xl {
 
    padding: 10px 20px;
    font-size: 20px;
    border-radius: 10px;
    width:250px;
    height:250px;
}