 
        
            <li class="first-level">
                <button  type="button" class="collapse-button active-collapse-button">User Guide</button>
                <ul class="collapsible-content collapsible-content-active">
                    
                        
                        <li class="second-level">
                            <button  type="button" class="collapse-button active-collapse-button">Getting Started</button>
                            <ul class="collapsible-content coll