What is CSS Specificity? Sarah Chima - Front-End Developer

Knowing CSS is mastery to Frontend Development — Anselm Hannemann

Anselm isn’t talking about becoming a CSS wizard, but simply having an understanding of what CSS can do. I have had similar experiences to this:

In the past years I had various situations where TypeScript developers (they called themselves) approached me and asked whether I could help them out with CSS. I expected to solve a complex problem but for me — knowing CSS very well — it was always a simple, straightforward solution or code snippet.

Let’s face it, “full stack” usually means “JavaScript”—HTML and CSS aren’t considered worthy of consideration. Their loss.

Your CSS reset should be layered

This makes sense:

Wrap everything in your CSS reset with a @layer rule.

When you place any styles inside a layer, these styles automatically have lower priority compared to all unlayered styles on the page. Think of it like an !unimportant block. You don’t need to worry about specificity or order of stylesheets at all.

New CSS that can actually be used in 2024 | Thomasorus

Logical properties, container queries, :has, :is, :where, min(), max(), clamp(), nesting, cascade layers, subgrid, and more.

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!”

CSS :has() Interactive Guide

This isn’t just a great explanation of :has(), it’s an excellent way of understanding selectors in general. I love how the examples are interactive!