JSFiddle - React, Tailwind, and code Playground

HTML

<div id="question"> testting javascript</div>
<button onclick="close()">Close</button>

CSS

#question {
	background : red;
}

JavaScript

function close(){
	document.getElementById("question").style.display = "none";
  document.getElementById("question").style.backgroundColor = "#f3f3f3";
}