.form-section {
      background-color: #f0f0f0;
      padding: 2rem;
      border-radius: 10px;
    }
    .propuesta-valor {
      background-color: #0d6efd;
      color: white;
      padding: 2rem;
      border-radius: 10px;
    }
    .form-control, .btn {
      border-radius: 0.5rem;
    }