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Brad Frost is running this new little podcast called Open Up. Folks write in with questions about the “other” side …

The fact that anchor positioning eschews HTML source order is so CSS-y because it’s another separation of concerns between content and presentation.

In this post, Blackle Mori shows you a few of the hacks found while trying to push the limits of Cohost’s HTML support. Use these if you dare, lest you too get labelled a CSS criminal.

The CSSWG just released the first public working draft of the specifications for adding gap decorations — you know, like …

Yay, let’s jump for text-wrap: pretty landing in Safari Technology Preview! But beware that it’s different from how it works in Chromium browsers.

There was once upon a time when native CSS lacked many essential features, leaving developers to come up with all sorts of ways to make CSS easier to write over the years.

Tips and tricks on utilizing the CSS backdrop-filter property to style user interfaces. You’ll learn how to layer backdrop filters among multiple elements, and integrate them with other CSS graphical effects to create elaborate designs.

Custom cursors with CSS are great, but we can take things to the next level with JavaScript. Using JavaScript, we can transition between cursor states, place dynamic text within the cursor, apply complex animations, and apply filters.

Browsers are planning to update UA stylesheets for nested <h1> elements. It’s a good idea to make sure your nested …

This CSS-Tricks update highlights significant progress in the Almanac, recent podcast appearances, a new CSS counters guide, and the addition of several new authors contributing valuable content.

Most of the time, people showcase Tailwind’s @apply feature with one of Tailwind’s single-property utilities (which changes a single CSS declaration). When showcased this way, @apply doesn’t sound promising at all. So obviously, nobody wants to use it. Personally, I think Tailwind’s @apply feature is better than described.

If I were starting with CSS today for the very first time, I would first want to spend time understanding …

Chrome has prototyped these features and released them in Chrome 135. Adam Argyle has a wonderful explainer over at the Chrome Developer blog. Kevin Powell has an equally wonderful video where he follows the explainer. This post is me taking notes from them.

Deploying like an idiot comes down to a mismatch between the tools you use to deploy and the reward in complexity reduced versus complexity added.

HTML 5 Readiness was a site that showed through a rainbow of colors the browser support for several web features. What about a new version?

Well, it turns out that SVG’s built-in animation features were never deprecated as planned. Sure, CSS and JavaScript are more than capable of carrying the load, but it’s good to know that SMIL is not dead in the water as previously thought, and is actually well-supported.

One thing we can do to help teams code consistently is provide type-checking so that all of the configurable options for a specific component are available while coding. Bryan demonstrates how he does this with TypeScript when working with Astro components.

Interactive CSS animations with elements ricocheting off each other seem more plausible in 2025. While it’s unnecessary to implement Pong in CSS, the increasing flexibility and power of CSS reinforce Lee’s suspicion that one day it will be a lifestyle choice whether to achieve any given effect with scripting or CSS.

Masonry in CSS: There’s a new, third option in the debate that combines Flexbox and CSS Grid features into a …

With visual regression testing, we can update a page, take screenshots before and after the fact, and compare the results for unintended changes. In this article, learn how to set up visual regression testing using Playwright.

Having been tasked with creating a UI component for navigating the content of an online course, Daniel found himself neck-deep in a pool of new CSS features that he wound up using on the project.

There’s a bit of a blind spot when working with CSS logical properties concerning shorthands.

I’ve used border-image regularly. Yet, it remains one of the most underused CSS tools, and I can’t, for the life of me, figure out why. Is it possible that people steer clear of border-image because its syntax is awkward and unintuitive? Perhaps it’s because most explanations don’t solve the type of creative implementation problems that most people need to solve. Most likely, it’s both.

I’ve seen a handful of recent posts talking about the utility of the :is() relational pseudo-selector. No need to delve …

Ooo, look at that: Safari Technology Preview 215 adds support for scroll-driven animations, anchor positioning, and text-wrap: pretty. That’s a …

In this article, you’ll learn how to make a full-on star rating component out of nothing but a single input element and vanilla CSS.

Now that we’re 5+ years into the details element, we know more about it than ever before. I thought I’d round that information up so it’s in one place I can reference in the future without having to search the site — and other sites — to find it.

The grain of truth was that even if you love your job, it can’t love you back. Yet what I’m hooked on isn’t one job, but the power of code and language.

The View Transitions API is more a set of features than it is about any one particular thing. And it gets complex fast. But in this post, we’ll cover a couple ways to dip your toes into the waters without having to dive in head-first.

I know, super niche, but it could be any loop, really. The challenge is having multiple tooltips on the same page that make use of the Popover API for toggling goodness and CSS Anchor Positioning for attaching a tooltip to its respective anchor element.