JSFiddle - React, Tailwind, and code Playground

HTML

<div style="width: 50px; overflow: auto; border: 2px solid red; padding: 10px">
<div id="test" style="border: 1px solid #ccc; width: 80px">
test
    </div>
</div>

CSS

.highlight{
background-color: red;
}

JavaScript

$('#test').hover(function () { $(this).toggleClass('highlight'); });