JSFiddle - React, Tailwind, and code Playground

HTML

<p>Simple - One Button</p>
<div class="button"><span>A Button</span></div>

<p>3 Simple Buttons with Float Elements</p>
<div class="button floatleft"><span>A Button</span></div>
<div class="button floatleft"><span>A Button</span></div>
<div class="button floatleft"><span>A Button</span></div>
<div class="clearfix"> </div>

CSS

p {padding:15px 5px;}
.button {position:relative;transition:padding .5s ease;padding:5px;}
.button.floatleft {float:left;}
.button span:hover {padding:5px 20px 5px;}
.button span {background:#ccc;padding:5px;color:white;}
.clearfix {clear:both;}