example/index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<link href="https://fonts.googleapis.com/css?family=Roboto:300,400,500" rel="stylesheet" />
<title>React-Scrollbar-Size Example</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="index.tsx"></script>
</body>
</html>