The new CSS :is() pseudo-class is shaping up to become a great way to target elements, saving on lines and lines of code.

CSS layout has never been more powerful than now.

Element queries (or "container queries" if you must) continue to make their way into conversations amongst responsive web design makers.

This is you: a user advocate trying to deliver the best possible User Experience with the work you do. You know the way to do this is by testing with the end-users of your product but you face some obstacles: maybe you only have a few days to deliver the project?