Card Size Gallery
List of products is often shown as images on a grid. This pattern is called "cards".
Card Size Gallery allows you to test what different card formats look like.
CSS
Pure CSS Photo Gallery
A simple photo gallery for web. Click a thumbnail, see a big picture. Click again to see the thumbnails.
With live demo.
This is done with just CSS, no JavaScript and no external libraries. In fact, the whole HTML+CSS is less than 60 lines.