JSFiddle - React, Tailwind, and code Playground

HTML

<div id="button">
    <h1>Click Me</h1>
</div>

CSS

#button {
     background:lightblue;
     border-radius: 30px;
     width: 15em;
     height: 3em;
     position:relative;
 }
 h1 {
     vertical-align: center;
     text-align: center;
 }