ElementById('parent-controls').style.display = 'none';
                document.getElementById('child-controls').style.display = 'block';
            }
        }
        
        function updateStyles() {
            const container = document.getElementById('flexContainer');
            const display = document.getElementById('display').value;
            const flexDirection = document.getElementById('flexDirection').value;
            const flexWrap = document.getElementById('flexWrap').value;
           