This site promises “everything you need to learn CSS Grid Layout” and it delivers, with examples of specific properties, higher-level samples of common design patterns, and even video tutorials.

Another big issue was getting a reasonable grid layout, at least until the CSS Grid Layout module stepped into the breach. Grid is now fully supported and standardized on all browsers.

Pure CSS offers a minimalist, mobile-first approach to CSS layouts in your web pages. Let's get started with this lightweight framework, which you can use as-is or extend with a variety of plugins.