JSFiddle - React, Tailwind, and code Playground

HTML

<div id="doesnt_work">I've made a terrible mistake...</div>
<br/><br/>
<div id="works">Ta-da!</div>

CSS

div {
    position: absolute;
    width: 300px;
    padding: 5px 10px;
    text-align: center;
}
#doesnt_work {
    margin: 0 auto;
    background: #FAA;
    color: #800;
}
#works {
    left: 50%;
    margin-left: -160px;
    background: #AFA;
    color: #080;
}