JSFiddle - React, Tailwind, and code Playground

HTML

<div class="TheOuterClass">
    <div class="TheInnerClass">some text</div>
</div>

CSS

.TheOuterClass{
    width:100px;
    padding:5px 5px;
    background:black;}

.TheOuterClass:hover{
    pointer:cursor;
    background:red;
    color:yellow;}

.TheInnerClass{color:white;}