The Pure CSS Gallery Examples collection demonstrates how image layouts function through CSS Grid and Flexbox. Layout algorithms handle positioning, transitions manage interactivity — eliminating JavaScript dependencies between visual intent and execution.
Galleries use CSS Grid with grid-auto-flow: dense to create masonry patterns, while grid-template-columns: repeat(auto-fit, minmax()) enables responsive columns without media queries. Flexbox arranges images in rows with flex-wrap and gap for spacing control. Object-fit and object-position scale images responsively while preserving aspect ratios. Clip-path creates custom shapes for thumbnails; transform: scale() and translate() produce hover zoom effects. CSS Custom Properties control grid density and image aspect ratios; animation adds fade-in and slide transitions on load.
Responsive design adapts gallery layouts from mobile (single column) to desktop (multi-column) via media queries and container queries, maintaining visual balance. Accessibility is embedded: semantic HTML (<figure>, <figcaption>) ensures screen readers describe images. The collection includes free CodePen demos, downloadable code, and updated examples. Each snippet prioritizes Core Web Vitals — zero layout shift through fixed aspect ratios, hardware-accelerated transforms via will-change: transform, minimal repaints using contain: content.
Every example works in modern browsers (Chrome, Firefox, Safari, Edge). Download, customize, deploy.