CSS Accordion Slider with Flex Hover Expand Animation

Responsive Expandable Cards: a pure CSS accordion slider that expands image cards on hover using flex-based animation. Key features: ✦ Flex-based accordion expand — zero JavaScript required ✦ Grayscale-to-color image transition on hover ✦ CSS shimmer loading placeholder ✦ Slide-up description reveal ✦ Full keyboard and touch device accessibility ✦ Reduced-motion support built in ✦ Mobile-first vertical stacking layout A clean pick for portfolio grids, destination showcases, and product category pages. Free to use and customize. 👉 Blog Post 👉 Live Demo