CSS :has() Interactive Guide

I wasted a day on CSS selector performance to make a website load 2ms faster | Trys Mudford

Picture me holding Trys back and telling him, “Leave it alone, mate, it’s not worth it!”

What is Utility-First CSS?: HeydonWorks

Heydon does a very good job of explaining why throwing away the power of selectors makes no sense.

Utility-first detractors complain a lot about how verbose this is and, consequently, how ugly. And it is indeed. But you’d forgive it that if it actually solved a problem, which it doesn’t. It is unequivocally an inferior way of making things which are alike look alike, as you should. It is and can only be useful for reproducing inconsistent design, wherein all those repeated values would instead differ.

He’s also right on the nose in explaining why something as awful at Tailwind could get so popular:

But CSS isn’t new, it’s only good. And in this backwards, bullshit-optimized economy of garbage and nonsense, good isn’t bad enough.

Getting started with CSS container queries | MDN Blog

Michelle has written a detailed practical guide to container queries here.

Link colors and the rule of tincture

When you think of heraldry what comes to mind is probably knights in shining armor, damsels in distress, jousting, that sort of thing. Medieval stuff. But I prefer to think of it as one of the earliest design systems.

This totally checks out.

CSS Nesting and the Cascade | WebKit

As well as a very welcome announcement, Jen has a really good question for you about nesting in CSS.

If you have an opinion on the answer, please chime in.