JSFiddle - React, Tailwind, and code Playground

HTML

<div id="parent"><div id="child">asdasdasd</div></div>

CSS

#parent{
    width:100%;
    background:red;
    height:50px;
    text-align:center;
}
#child{
    display:inline-block;
    background:blue;
    height:50px;
}