ator);
        updateBreakpointIndicator();
        
        // Add visual feedback for responsive behavior
        function addResponsiveVisualFeedback() {
            const gridItems = document.querySelectorAll('#live-test-grid .demo-grid-item');
            const width = window.innerWidth;
            
            gridItems.forEach((item, index) => {
                // Add visual indicators based on current breakpoint
                item.style.transition = 'all 0.3s ease';
                
             