JSFiddle - React, Tailwind, and code Playground

HTML

<img src="http://0.gravatar.com/avatar/this-is-not-a-hash" alt="" />

<div>I'm a div</div>

<span>I just happent to be a span</span>

CSS

img:before {
    content: "hello img";
}

div:before {
    content: "hello div";  
}

span:before {
    content: "hello span";  
}