To ensure your project gets "Hearted" on CodePen, focus on the :

By using scroll-snap-type , you've turned a simple overflowing div into a professional-grade UI component that works seamlessly across all devices.

To make this slider functional and responsive, we rely on two modern CSS properties: flexbox for layout and scroll-snap-type for that "snappy" app-like feel. Use code with caution. 3. Making it Truly Responsive