JSFiddle - React, Tailwind, and code Playground
by magicalex
HTML
<div onmouseover="$(this).html('<p>BLABLA</p></br>')"></div>
<div onmouseover="$(this).html('<p style="background-color:red">BLABLA</p></br>\')"></div>
CSS
div {
height: 50px;
background: blue;
margin: 10px;
}