/* Modal Styles */
        .modal {
            display: none; /* Hidden by default */
            position: fixed;
            z-index: 1;
            padding-top: 100px;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
        }
        .modal-content {
            background-color: #fff;
            margin: auto;
            padding: 20px;
            border: 1px solid #888;
            width: 80%;
            max-width: 400px;
            text-align: center;
        }
        .close {
            color: #aaa;
            float: right;
            font-size: 28px;
            font-weight: bold;
        }
        .close:hover, .close:focus {
            color: #000;
            text-decoration: none;
            cursor: pointer;
        }
        /* Responsive */
        @media screen and (max-width: 600px) {
            .modal-content {
                width: 90%;
            }
        }