
            <script>const toggleAllButton = document.getElementById('toggleAllButton');
                const collapsibleContents = document.querySelectorAll('.collapsible-content');
                toggleAllButton.addEventListener('click', () => {
                  collapsibleContents.forEach(content => {
                    if (content.style.display === 'none') {
                      content.style.display = 'block';
                      content.previousElementSibling.querySelector('.toggle-icon').textContent = '';
                    } else {
                      content.style.display = 'none';
                      content.previousElementSibling.querySelector('.toggle-icon').textContent = '';
                    }
                  });
                });
            </script>
            