index.html

<html>
    <head>
        <meta charset="utf-8">
        <title>Neon Origami</title>
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link rel="icon" href="data:;base64,iVBORw0KGgo=">
        <script src="https://unpkg.com/neonorigami/neonorigami.js"></script>
        <style>
            body, html {
                margin: 0;
                padding: 0;
            }

            body {
                background-color: #e0e0e0;
                display: flex;
                align-items: center;
                justify-content: center;
                height: 100%;
            }

            neon-origami {
                width: 80%;
                height: 80%;
            }
        </style>
    </head>
    <body>
        <neon-origami></neon-origami>
    </body>
</html>