app.html
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon" />
%sveltekit.head%
</head>
<body data-sveltekit-prefetch class="min-h-screen">
<div style="display: contents">%sveltekit.body%</div>
</body>
</html>