game.html

<html>
<head>
<link rel="stylesheet" href="style.css">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0">
<style>
  html, body {
  height: 100%;
}
body {
  margin: 0;
  display: flex;

  /* This centers our sketch horizontally. */
  justify-content: center;

  /* This centers our sketch vertically. */
  align-items: center;
}
</style>
<script src="https://telegram.org/js/telegram-web-app.js"></script>
<!-- Expand the window as soon as the Telegram Web App API is loaded -->
<script>
  window.onload = function() {
    if (window.Telegram && window.Telegram.WebApp) {
      window.Telegram.WebApp.expand();
    }
  };
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/p5.js/1.6.0/p5.min.js"></script>
<script src="slideit.js"></script>
</head>
<body>
</body>
</html>