body {
      font-family: 'Montserrat', sans-serif;
    }
    .hero {
      background-color: #0A1F44;
      color: white;
      padding: 60px 0;
      text-align: center;
    }
    .btn-primary {
      background-color: #00BFFF;
      border: none;
    }
    .btn-primary:hover {
      background-color: #FF6F00;
    }
    .course-box {
      background-color: #F5F5F5;
      padding: 20px;
      border-radius: 8px;
      text-align: center;
    }
    .course-box i {
      font-size: 2rem;
      color: #00BFFF;
      margin-bottom: 10px;
    }