JSFiddle - React, Tailwind, and code Playground

HTML

<style>
    div {
        background-color: blue;
    }
</style>

<div style="height: 100px; width:100px;"></div>

CSS

div {
    background-color: red;
}

JavaScript

setTimeout(function () {
    alert('About to disable');
    document.styleSheets[3].disabled = true;
}, 1000);