body {
      margin: 0;
      padding: 0;
      background: linear-gradient(to bottom, #e0f2f9, #b3d7ef);
      color: #1a3c5c;
      font-family: 'Open Sans', sans-serif;
      text-align: center;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      user-select: none;
      -webkit-user-select: none;
      -moz-user-select: none;
      -ms-user-select: none;
    }

    h1 {
      font-family: 'Great Vibes', cursive;
      font-size: 4em;
      color: #205d8b;
      text-shadow: 2px 2px #ffffff;
      margin: 40px 0 20px 0;
    }

    .content {
      max-width: 900px;
      font-size: 1em;
      line-height: 1.8;
      background-color: rgba(255, 255, 255, 0.7);
      padding: 30px;
      border-radius: 15px;
      box-shadow: 0 4px 8px rgba(0, 0, 50, 0.2);
      text-align: justify;
      margin-bottom: 30px;
    }

    .signature {
      margin-top: 30px;
      text-align: right;
      font-style: italic;
      font-size: 1em;
      color: #1a3c5c;
    }

    .btn {
      background-color: #205d8b;
      color: #fff;
      padding: 15px 30px;
      border: none;
      border-radius: 30px;
      text-decoration: none;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      margin-bottom: 30px;
    }

    .btn:hover {
      background-color: #1a4c73;
      transform: scale(1.05);
    }

    footer {
      margin-bottom: 20px;
      font-size: 0.9em;
      color: #3c6e94;
    }