Minimal HTML boilerplate.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Untitled</title>
<link rel="stylesheet" href="style.css">
<style>
*, *:before, *:after {
box-sizing: border-box;
}
body {
font-family: system-ui, sans-serif;
}
</style>
</head>
<body>
<h1>It works!</h1>
<script src="script.js"></script>
</body>
</html>