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.

Chrome 57 implements CSS Grid Layout, a two-dimensional grid-based layout system for responsive user interface design.

In developing Flexbox Inspector, Mozilla constructed a tool based on the concepts of CSS Grid Inspector, for examining CSS Grid layouts.