<html>
<head>
<link rel="stylesheet" type="text/css" href="./style.css">
</head>
<body>
<div> <button type="button" id="zoom-in">+</button> <button type="button" id="zoom-out">-</button> </div>
<svg></svg>
<script src="./main.ts"></script>
</body> </html>