The new Responsive Web Design Guide from Google (in Arabic)

Google recently published a fantastic series of articles on Responsive Web Design. We're at an interesting point where major browsers adopted many new CSS features and major services and frameworks are deprecating IE11 completely so we can make use of a lot of interesting new techniques. This is my attempt to explore that guide and reflect on what I know, what I dreamed of using at some time and the stuff that I've never heard of before!