A get-right-down-to-it online course for Web designers and developers who want to start creating more accessible Web user interfaces and digital products today

What if I told you, you could use CSS to insert and tweak icons without touching any HTML? And that it could be more flexible and maintainable than what you’ve been using?

A visual tool to debug multi-layer CSS gradients.

Rank the web platform features you care most about

Web design engineer, UX designer, teacher, and speaker – helping teams build websites and digital products with a focus on CSS, accessibility, and performance.

The internet is changing! Accessibility is getting better! And it's also weird!

A study of millions of vehicles reveals that EVs are much less likely to fail compared to petrol equivalents, and will last a lot longer.

YouTube video by Kevin Powell

I’ve just had my say on our future banknotes. Have your say too!

Why your confidence in accessibility could be a sign of how little you know

Wiring HTML attributes into CSS with advanced typed attr(), and letting container style queries pass that state down to child components.

How to make optically balanced icons, correct shapes alignment, and perfect corner rounding

This article provides information about the changes in Firefox 155 that affect developers. Firefox 155 was released on September 1, 2026.

Explore the critical role of human oversight in AI-driven accessibility. Learn why AI is a powerful starting point but cannot replace the nuance, empathy, and expertise required for truly inclusive de...

The default might not be what you expect, and it has a big impact on your styles.

A look at how flex items wrap and how to balance them across lines.

Maybe not, but I’ll break these down into three categories because it depends on context and intent. Pretend this post also applies for pressing Esc. Action Required If the user must complete a task t...

A JPEG XL decoder is heading for Firefox 157! Here's how we're shipping it safely…

Die Krisen unseres Planeten sind bewältigbar. Aber nur, wenn wir künftig weniger arbeiten, weniger konsumieren – und Elon Musks Vermögen wegbesteuern, sagt der französische Starökonom Thomas Piketty

YouTube video by Syntax

This article provides information about the changes in Firefox 154 that affect developers. Firefox 154 was released on August 18, 2026.

YouTube video by Kevin Powell

YouTube video by Pixel Pioneers

Die extreme Hitze trifft uns alle. Aber sie trifft nicht alle gleich. Das ist hochgradig ungerecht! Denn die meisten Menschen können sich keine Klimaanlage leisten und haben kein Ferienhaus am kühlen ...

A step by step guide, using the Popover API and CSS Anchor Positioning.

Today, with CSS gap decorations fully supported in Chrome and Edge, starting with version 149, you can now very easily style gaps, and with a lot of control.

Wir müssen dran bleiben und den Ernst der Situation erklären. Hier drei Empfehlungen für solche Gespräche

You normally don't think of images as overflowing themselves, nor can you put anything else inside to make it overflow, but actually...