JSFiddle - React, Tailwind, and code Playground

by Thalita

HTML

<div class="container">
  <div class="tracker"></div>
</div>

CSS

:root {
	--x: 0.5;
	--y: 0.5;
}

.container, .tracker {
	position: absolute;
}

.container {
	width: 200px;
	height: 200px;
	top: 50%;
  left: 50%;
	transform: translate(-50%, -50%);
	border: 3px solid #333;
}

.tracker {
	width: 10px;
	height: 10px;
  left: 0;
  top: 0;
	background: red;
	border-radius: 1000px;
}