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Support for Nested Container Queries and the CSS if() function inside CSS Custom Functions make @function very powerful.

My thesis for today's article offers further reassurance that inline conditionals are probably not the harbinger of the end of civilization: I reckon we can achieve the same functionality right now with style queries, which are gaining pretty good browser support.

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.

Remove image backgrounds automatically in seconds with just one click. Don't spend hours manually doing it yourself.

Blendy, a framework-agnostic tool that smoothly transitions one element into another with just a few lines of code.

Frontend web developer, turned engineering manager.

Just four declarations in CSS can handle this nicely, while avoiding the vertical scrollbar issue.

I enjoy organizing code and find cascade layers a fantastic way to organize code explicitly as the cascade looks at it. The neat part is, that as much as it helps with "top-level" organization, cascade layers can be nested, which allows us to author more precise styles based on the cascade and inheritance.

Changing what I thought I knew about typesetting.

Blendy, a framework-agnostic tool that smoothly transitions one element into another with just a few lines of code.

Animated AVIF, AV1 video, JPEG-XL...

Are partials the only thing keeping you writing CSS in Sass? With a little configuration, it's possible to compile partial CSS files without a Sass dependency. Ryan Trimble has the details.

Prefer SVG over PNG, trust browsers to downscale, drop obscure formats—the ultimate, exhaustive guide to favicons for modern web. Includes steps for static HTML and Webpack.

Generate palettes for Tailwind v4 with P3 gamut colors in the Oklch space.

A how to guide on building an accessible tab component using Web Components.

Do you write CSS? Do you use custom properties with calculations? Do you want to preview their values while you’re debugging them? What if you could do so by setting just one additional custom property? Without any JS? In this article, I present a native CSS mixin that will output various values as pseudo-elements.

Just four declarations in CSS can handle this nicely, while avoiding the vertical scrollbar issue.

The CSS `border-image` property is one of those properties you undoubtedly know exists but may not have ever reached for. In this article, Temani Afif demonstrates different approaches for using `border-image` to create clever decorative accents and shapes.

UI kit to make beautiful, animated interfaces, faster. Open-source and customizable.

Unsection is a website that offers inspiration for various website sections. It is a good resource for finding the best website section for your website.

I was reading through Juan's recent Almanac entry for the @counter-style at-rule and I'll be darned if he didn't uncover and unpack some extremely interesting

When it comes to positioning elements on a page, including text, there are many ways to go about it in CSS — the literal position property with corresponding inset-* properties, translate, margin, anchor() (limited browser support at the moment), and so forth. The offset property is another one that belongs in that list.

Learn how to create API endpoints directly in your Astro app and create a contact in Brevo with it.

Generate linear() easings from JavaScript and SVG

Generate and customize CSS easing functions with ease and magical precision using Easing Wizard 🧙

A new way to create animations without relying on keyframes

Anchor positioning can be great for little interactive effects — as Temani Afif shows off with this clever idea for a menu hover.