While I don't know what you mean by "newest" (we are still at module level 1), imho, CSS Tricks has a pretty brief and good cheatsheet. I was able to learn and instantly use flexbox thanks to this guide. While I guess it's not for everyone, I still recommend bookmarking the site, because it can at least be used as a reference later on.
By the way, they also have a similar resource for CSS grid 😉
Learn CSS Layout: Flexbox — A brief overview of the flexible box layout model.
Solved by Flexbox — A showcase of how flexbox can address some common layout design patterns that are a pain to implement with the traditional CSS box layout model.
Can I use… Flexbox — 94.57% of browsers in use1 today are capable of rendering flexbox layouts, according to this resource.
Marco Alka
Software Engineer, Technical Consultant & Mentor
While I don't know what you mean by "newest" (we are still at module level 1), imho, CSS Tricks has a pretty brief and good cheatsheet. I was able to learn and instantly use flexbox thanks to this guide. While I guess it's not for everyone, I still recommend bookmarking the site, because it can at least be used as a reference later on.
By the way, they also have a similar resource for CSS grid 😉