JSFiddle - React, Tailwind, and code Playground

HTML

<section>
    <div>
        SOME CONTENT            
    </div>
</section>

CSS

section {
    background: black;
    //overflow: hidden; /* toggle this */
    //padding: 1px; /* or toggle this */
    //border: solid 1px green; /* or toggle this */
}

div {
   margin: 10px;
   background: red;    
}