A bit late this week bit some more CSS goodies for you to digest.

Some cool css animation effects.
Responsive CSS right out of the box (CSS Tricks).
Modal in CSS using :target (not a new concept but worth a look all the same.)
Me just playing around with flexbox with a new take on a pseudo fixed footer.
Dave Shea shares his top 10 mobile design mistakes.
CSS 3d clouds in CSS.
Device agnostic article by Trent Walton.
Browser trends update.

You can also view a list of previous posts here.