index.html

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>2048</title>
  <link rel="stylesheet" href="style.css">
  <link href="https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap" rel="stylesheet">
</head>
<body class="light-theme"> 
  <main class="main-container">
    <div class="container">
      <header class="title-bar">
        <h1>2048</h1> </header>
      <div class="grid-container"></div>
      <div class="arrow-container">
        <div class="arrow up"></div>
        <div class="arrow down"></div>
        <div class="arrow left"></div>
        <div class="arrow right"></div>
      </div>
      <div class="button-container" id="theme-button">Change Theme</div>
    </div>
  </main>
  <script src="game.js"></script>
</body>
</html>