JSFiddle - React, Tailwind, and code Playground

by techiedelight

HTML

<div id="container" class="main"></div>

CSS

.main {
  width: 500px;
  height: 300px;
  border: 1px solid black;
}

JavaScript

var obj = document.getElementById('container');
obj.style.setProperty("background-color", "lightgray");