JSFiddle - React, Tailwind, and code Playground

HTML

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

CSS

body{
    background-color:#353535;    
}
#parent{
    background-color:#eee;
}
#child{
    background-color:#1b1b1b;
    margin:60px auto 10px;
    width:100px;
}