Web Development + Follow

Brad Frost introduced the “Atomic Design” concept wayyyy back in 2013. He even wrote a book on it. And we …

A CSS Masonry prototype has landed in Chrome and Edge 140. Really leans into the “Just Use Grid” camp. I …

Chrome 139 is experimenting with Open UI’s proposed Interest Invoker API, which would be used to create tooltips, hover menus, hover cards, quick actions, and other types of UIs for showing more information with hover interactions.

Focus trapping is about managing focus within an element, such that focus always stays within it. The whole process sounds simple in theory, but it can quite difficult to build in practice, mostly because of the numerous parts to you got to manage.

A versal letters is a typographic flourish found in illuminated manuscripts and traditional book design, where it adds visual interest and helps guide a reader’s eye to where they should begin.

Gathered notes on Liquid Glass, Apple’s new design language that was introduced at WWDC 2025. These links are a choice selection of posts and resources that I’ve found helpful for understanding the context of Liquid Glass, as well as techniques for recreating it in code.

State of Devs 2025 survey results are out! Sunkanmi Fafowora highlights a few key results about diversity, health, and salaries.

The many ways to juggle line length when working with text… including two proposed properties that could make it easier in the future.

I was playing around with scroll-driven animations, just searching for all sorts of random things you could do. That’s when I came up with the idea to animate main headings and, using scroll-driven animations, change the headings based on the user’s scroll position.

Layout. It’s one of those easy-to-learn, difficult-to-master things, like they say about playing bass. Not because it’s innately difficult to, …

The shape() function’s close and move commands may not be ones you reach for often, but are incredibly useful for certain shapes.

Styling the space between layout items — the gap — has typically required some clever workarounds. But a new CSS feature changes all that with just a few simple CSS properties that make it easy, yet also flexible, to display styled separators between your layout items.

Being the bad boy I am, I don’t take Tailwind’s default approach to cascade layers as the “best” one. Over a year experimenting with Tailwind and vanilla CSS, I’ve come across what I believe is a better solution.

An early preview of Chrome 139 includes six new CSS features, including the first hint of custom functions.

Blob, Blob, Blob. What’s the most effective way to create blob shapes in CSS? Turns out, as always, there are many. Let’s compare them together!

KelpUI is new library that Chris Ferdinandi is developing, designed to leverage newer CSS features and Web Components. I’ve enjoyed following Chris as he’s published an ongoing series of articles detailing his thought process behind the library, getting deep into his approach. You really get a clear picture of his strategy and I love it.

The CSS if() function enables us to use values conditionally, but what exactly does if() do? Let’s look at a possible real-world use case.

The CSS if() function was recently implemented in Chrome 137, making it the first instance where we have it supported by a mainstream browser. Let’s poke at it a bit at a very high level.

Zell discusses refactoring the Resize, Mutation, and Intersection Observer APIs for easier usage, demonstrating how to implement callback and event listener patterns, while highlighting available options and methods.

An introduction to “Color spaces”, “Color models”, “Color gamuts,” and basically all of the “Color somethings” in CSS.

CSS has a number of functions that can be used to set, translate, and manipulate colors. Learn what they are and how they are used with a bunch of examples to get you started.

A freshly updated two-day workshop on developing games with CSS by Kevin Powell and Amit Sheen is now available (and …

How do you stay informed of new CSS features when the language evolves quickly and information is spread all around the web? Sacha Greif has some tips from his work running an annual survey focused on new CSS features.

ResizeObserver, MutationObserver, and IntersectionObserver enhance performance over their predecessors. Zell discusses their API similarities, usage steps, refactoring strategies, and advantages with practical examples.

We put it to the test and it turns out Sass can replace JavaScript, at least when it comes to low-level logic and puzzle behavior. With nothing but maps, mixins, functions, and a whole lot of math, we managed to bring our Tangram puzzle to life, no JavaScript required.

The HTML popover attribute transforms elements into top-layer elements that can be opened and closed with a button or JavaScript. Popovers can be dismissed a number of ways, but there is no option to auto-close them. Preethi has a technique you can use.

This is the third article in a series about the CSS shape() function. We’ve covered drawing lines and arcs in previous articles and, this time, we look specifically at the curve command and how to use it for drawing complex shapes.

The contrast-color() function doesn’t check color contrast, but rather it outright resolves to either black or white (whichever one contrasts the most with your chosen color). Safari Technology Preview recently implemented it and we explore its possible uses in this article.

The State of CSS 2025 Survey dropped a few days ago, and besides anticipating the results, it’s exciting to see a lot of the new things shipped to CSS reflected in the questions.

Chrome 137 introduces the newly-specced if() function. Una Kravets posted a nice video overview and Temani Afif writes about it …