Let’s Use the Nonexistent ::nth-letter Selector Now
“I think I’m done with reality.” — The Seventh Circle by Architects We’ve all, at some point,…
Recreating Apple’s Vision Pro Animation in CSS
Apple’s product animations, particularly the scrolly teardowns (technical term), have always been inspiring. But these bleeding-edge animations…
Enhancing Astro With a Markdown Component
There are two ways to enhance Markdown in an Astro project: Through MDX Through a Markdown Component…
Markdown + Astro = ❤️
Markdown is a great invention that lets us write less markup. It also handles typographical matters like…
Selecting a Date Range in CSS
A date range selector lets users pick a time frame between a start and end date, which…
Alternatives to the !important Keyword
Every now and then, I stumble onto an old project of mine, or worse, someone else’s, and…
Looking at New CSS Multi-Column Layout Wrapping Features
Multi-column layouts have not been used to their full potential, mostly because once content exceeded a limit,…
Making Complex CSS Shapes Using shape()
Creating rectangles, circles, and rounded rectangles is the basic of CSS. Creating more complex CSS shapes such…
Front-End Fools: Top 10 April Fools’ UI Pranks of All Time
April Fools’ Day pranks on the web imply that we’re not trying to fool each other every…
Sniffing Out the CSS Olfactive API
A lot has happened in CSS in the last few years, but there’s nothing we needed less…
What’s !important #8: Light/Dark Favicons, @mixin, object-view-box, and More
Short n’ sweet but ever so neat, this issue covers light/dark favicons, @mixin, anchor-interpolated morphing, object-view-box, new…
Experimenting With Scroll-Driven corner-shape Animations
Over the last few years, there’s been a lot of talk about and experimentation with scroll-driven animations….
JavaScript for Everyone: Destructuring
Editor’s note: Mat Marquis and Andy Bell have released JavaScript for Everyone, an online course offered exclusively…
What’s !important #7: random(), Folded Corners, Anchored Container Queries, and More
For this issue of What’s !important, we have a healthy balance of old CSS that you might’ve…
4 Reasons That Make Tailwind Great for Building Layouts
When I talk about layouts, I’m referring to how you place items on a page. The CSS…
Abusing Customizable Selects
Web browsers ship new features all the time, but what fun is it if we can’t build…
The Value of z-index
The z-index property is one of the most important tools any UI developer has at their disposal,…
The Different Ways to Select in CSS
Temani Afif recently did this exercise and I thought I’d build off of it. Some of these…
What’s !important #6: :heading, border-shape, Truncating Text From the Middle, and More
Despite what’s been a sleepy couple of weeks for new Web Platform Features, we have an issue…
Yet Another Way to Center an (Absolute) Element
sibling-index() and sibling-count() functions. There are lots of recent examples like this. Still, there is one little…
An Exploit … in CSS?!
Ok, take a deep breath. We’ll have some fun understanding this vulnerability once you make sure your…
A Complete Guide to Bookmarklets
You’re surely no stranger to bookmarks. The ability to favorite, save, or “bookmark” web pages has been…
Loading Smarter: SVG vs. Raster Loaders in Modern Web Design
I got this interesting question in an SVG workshop: “What is the performance difference between an SVG…
Potentially Coming to a Browser :near() You
Just before we wrapped up 2025, I saw this proposal for :near(), a pseudo-class that would match…