Lesson Code: http://www.developphp.com/video/CSS/Grid-Layout-CSS-Tutorial-and-Documentation-Reference
Learn how to construct CSS grid layouts for projects in the future. You cannot apply it to your current projects yet because of limited browser support. It is similar to the Flexbox Layout Module but has different properties and features that you may find handy for future projects. This page will also lead you to the official documentation so that you get the knowledge first hand from the official source, and not solely from second hand sources.
Source: Adam Khoury