body {
      background-color: #f8f9fa;
    }
    .hero {
      padding: 60px 20px;
      text-align: center;
    }
    footer {
      margin-top: 60px;
      font-size: 0.9em;
      color: #6c757d;
      text-align: center;
      padding-bottom: 20px;
    }