body {
      background: #0e0e0e;
      color: #f2f2f2;
      font-family: Arial, sans-serif;
      max-width: 800px;
      margin: 0 auto;
      padding: 30px;
      line-height: 1.6;
    }
    h1, h2 {
      color: #8DD0D0;
    }
    .btn {
      background: #A00B0B;
      color: white;
      padding: 14px 24px;
      border: none;
      border-radius: 6px;
      font-size: 20px;
      cursor: pointer;
      margin-top: 25px;
    }
    .btn:hover {
      opacity: 0.8;
    }
    img {
      max-width: 100%;
      margin: 20px 0;
      border-radius: 8px;
    }