JSFiddle - React, Tailwind, and code Playground

HTML

<div class="red" >
   <!-- <div class="green" >
        <p>text</p>
    </div>-->
</div>

CSS

p {
    margin: 0;
    padding: 0;
}
.red {
    width: 100%;
    background: red;
}
.red:after{
    content: "text";
    display: block;
    width: 100px;
    background: green;
    margin: 0 auto;
}
.red:hover{
    width: 100px;
    margin: 0 auto;
}