/* Styling untuk pop-up */
        .popup {
            display: none;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: #fff;
            padding: 20px;
            box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.5);
            z-index: 9999;
            border-radius: 3%;
        }

        /* Styling untuk latar belakang pop-up */
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 9998;
        }
        
        .close-button {
            position: absolute;
            top: 10px;
            right: 10px;
            /*background-color: #dc3545;*/
            color: white;
            border: none;
            padding: 5px 10px;
            border-radius: 50%;
            cursor: pointer;
        }