JSFiddle - React, Tailwind, and code Playground

HTML

<body><div></div></body>

CSS

body{background: #fff;}
div{width:100px;height:100px;border:1px solid black;background:white;}

JavaScript

$(document).ready(function(){
$("div").hover(function(){
    $(this).parent(this).css('background-color','grey');
});


$("div").mouseleave(function(){
    $(this).parent(this).css('background-color','white');
});});