JSFiddle - React, Tailwind, and code Playground

HTML

<div class="button"style="width:60px;height:100px;">This is a button</div>

CSS

.button {
background-color: #000000;
color: #FFFFFF;
float: right;
padding: 10px;
border-radius: 10px;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
}