JSFiddle - React, Tailwind, and code Playground

HTML

<div>
HELLO
</div>

CSS

div {
    position: relative;
    color: red;
    font-family: arial;
}
div:after {
    content: "HELLO";
    color: blue;
    font-family: tahoma;
    position: absolute;
    top: 0;
    left: 0;
}