"clear-history" onclick="clearHistory()" id="clearHistory">Clear History</button>
        </div>
    </div>

    <div id="mindmap-viewer" class="mindmap-viewer">
        <div class="editor-overlay" id="editor-overlay"></div>
        <div class="markdown-editor" id="markdown-editor">
            <textarea id="markdown-textarea" spellcheck="false"></textarea>

            <div class="editor-buttons">
                <a
                    href="/help/mind-map-editing.html"
                    class="help-butt