Run2.html

<!DOCTYPE html>
<html>
  <head>
    <link  id="panic" rel="stylesheet" href="style.css" />
    <script src="script.js"></script>
   <div class="panic">
    <button onclick="window.location.href = 'https://www.google.com';">
      panic
    </button>
    </div>
  </head>
  <body>
 <iframe id="github-iframe" src=""></iframe>
<script>
    fetch('https://api.github.com/repos//hubot-mubot/contents/src/mubot.coffee')
        .then(function(response) {
            return response.json();
        }).then(function(data) {
            var iframe = document.getElementById('github-iframe');
            iframe.src = 'data:text/html;base64,' + encodeURIComponent(data['content']);
        });
</script>

    <footer>
      <nav>
        <a href="./GamesList.html">ok. heres game</a>
  
        <a href="./index.html">ok. heres homepage</a>
    </nav>
    </footer>
  </body>
</html>