: 0;
        }

        input[type="submit"],
        .btn-book {
          margin-left: 0;
          width: 100%;
          text-align: center;
        }
      }
    </style>
    <script src="https://cdn.jsdelivr.net/npm/sweetalert2@10"></script>
  </head>
  <body>
    <a href="index.html" class="home-button">Home</a>
    <div class="container">
        <h1>Customizable Packing List</h1>
        <form id="packing-form">
            <label for="trip-type">Type of Trip:</label>
            <select id="trip-t