index.html

<!doctype html>
<html lang="en">

<head>
	<title>Lit.TodoMVC</title>
	<meta http-equiv='Content-Type' content='text/html; charset=utf-8'>
	<meta name="viewport" content="width=device-width, initial-scale=1">

    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bulma@0.9.3/css/bulma.min.css">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.5.0/font/bootstrap-icons.css">
    <link rel="shortcut icon" href="fable.ico" />

    <!-- Used to hide custom components until they are defined and prevent a flash of unstyled content -->
    <style>
        *:not(:defined) { display:none }
        html, body {
            overflow-y: hidden;
            height: 100%;
        }
     </style>
</head>

<body>
    <my-app></my-app>
    <script type="module" src="./build/client/App.js"></script>
</body>

</html>