JSFiddle - React, Tailwind, and code Playground

HTML

<div id = gamer></div>

CSS

#gamer {
	
position: absolute;
top: 50%;
width: 50px;
height: 50px;
background-color: red;	
		
	
}

JavaScript

var el = document.getElementById('gamer');


// var el = $("#gamer");


el.style.left = "50%"