    ‚Ä¢ <strong>Desktop (LG):</strong> 4 columns wide (third width) - 3 per row<br>
                <strong>Try resizing your browser window to see this in action!</strong>
            </div>
            
            <h3 class="h4 mb-4">Responsive Visibility</h3>
            <div class="demo-utility-grid mb-6">
                <div class="card p-4 d-block d-md-none">
                    <strong>Visible on mobile only</strong><br>
                    .d-block .d-md-none
                </div>
           