JSFiddle - React, Tailwind, and code Playground

HTML

<button id="rouge">Rouge</button>
<button id="vert">Vert</button>
<button id="bleu">Bleu</button>

JavaScript

$('#rouge').click(function () {
    $('body').css('background-color', 'red');
});

$('#vert').click(function () {
    $('body').css('background-color', 'green');
});

$('#bleu').click(function () {
    $('body').css('background-color', 'blue');
});