popup.html

<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Play Backlog</title>
  <link rel="stylesheet" href="styles.css">
</head>
<body>
  <div class="container">
    <header> 
      <img src="icons/icon48.png" alt="Watch backlog" class="logo">
      <h1>Play Backlog</h1>
    </header>
    <button id="watch-later-tab" onClick="visitWatchLater()"> See Watch Later Videos </button>
    
    <nav>
      <ul>
          <li><a href="https://github.com/hith3sh/PlayBacklog" target="_blank">GitHub</a></li>
          <li><a href="https://github.com/hith3sh/PlayBacklog/issues" target="_blank">Help</a></li>
      </ul>
  </nav>

    <footer>
      <p>v1.0.0</p>
    </footer>

  </div>
  
  <script src="popup.js"></script>
</body>
</html>