复古社交分享按钮

<div class="flex items-center justify-center min-h-screen bg-gray-100 dark:bg-gray-900" style="font-family: 'Press Start 2P', cursive;">
  <div class="flex space-x-4 p-6 bg-white dark:bg-gray-800 rounded-lg shadow-retro">
    <a href="#" class="share-button facebook">
      <img src="https://img.icons8.com/fluent/48/000000/facebook-new.png" alt="Facebook" class="w-8 h-8">
    </a>
    <a href="#" class="share-button twitter">
      <img src="https://img.icons8.com/fluent/48/000000/twitter.png" alt="Twitter" class="w-8 h-8">
    </a>
    <a href="#" class="share-button instagram">
      <img src="https://img.icons8.com/fluent/48/000000/instagram.png" alt="Instagram" class="w-8 h-8">
    </a>
    <a href="#" class="share-button pinterest">
      <img src="https://img.icons8.com/fluent/48/000000/pinterest.png" alt="Pinterest" class="w-8 h-8">
    </a>
  </div>

  <style>
    @import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

    .shadow-retro {
        box-shadow: 8px 8px 0px rgba(0, 0, 0, 0.2);
    }

    .dark .shadow-retro {
        box-shadow: 8px 8px 0px rgba(255, 255, 255, 0.2);
    }

    .share-button {
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 0.75rem;
      border-radius: 0.5rem;
      transition: all 0.3s ease;
      border: 2px solid #000;
    }

     .dark .share-button {
        border: 2px solid #fff;
     }

    .share-button:hover {
      transform: translateY(-5px);
      box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.3);
    }

    .dark .share-button:hover {
        box-shadow: 4px 4px 0px rgba(255, 255, 255, 0.3);
    }

    .facebook {
      background-color: #4267B2;
    }
    .twitter {
      background-color: #1DA1F2;
    }
    .instagram {
      background-color: #E1306C;
    }
    .pinterest {
      background-color: #BD081C;
    }
  </style>
</div>