div id="download-options-popup" class="download-options-popup">
            <div class="download-options-popup-content">
                <div class="popup-header">
                    <h2>Download Mind Map</h2>
                    <button class="close-button" id="close-download-options-popup">
                        <svg width="24" height="24" viewbox="0 0 24 24"><path
                            d="M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z"/></sv