body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
  
  .navbar-brand {
    font-weight: bold;
  }
  
  footer {
    font-size: 0.9rem;
  }

  .btn i {
    vertical-align: middle;
  }

  h4 {
    font-size: 1.5rem;
  }
  
  footer {
    font-family: 'Segoe UI', sans-serif;
    font-size: 1rem;
  }
  footer a:hover {
    text-decoration: none;
    color: #ffc107;
  }