Get Ready for CSS Grid Layout

By the time CSS Grid Layout was supported by all major browsers in 2017, Rachel Andrew had already thoroughly parsed the spec and, with the release of the first edition of Get Ready for CSS Grid Layout in 2016, helped legions of readers put the new two-dimensional layout system to work in their designs.
CSS Grid Layout, also known simply as Grid, tamed CSS' longtime Achilles' heel: layout. Now that the technique has matured, Rachel is back with a fresh survey of the landscape-what's new in the spec, and what's next for Grid.