.iframe-container {
            display: none; /* Hidden by default */
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.8);
            z-index: 1000;
        }
        .iframe-container iframe {
            width: 80%;
            height: 80%;
            margin: 5% auto;
            display: block;
            border: none;
        }
        .close-button {
            position: absolute;
            top: 20px;
            right: 20px;
            color: white;
            cursor: pointer;
            font-size: 24px;
        }