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7月30日 23:01
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Keeping Article Demos Alive When Third-Party APIs Die

Keeping Article Demos Alive When Third-Party APIs Die

Is there a way to build demos that do not break when the services they rely on fail? How can we ensure educational demos stay available for as long as possible?

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Making a Masonry Layout That Works Today

Making a Masonry Layout That Works Today

I went on to figure out how make masonry work today with other browsers. I'm happy to report I've found a way — and, bonus! — that support can be provided with only 66 lines of JavaScript.

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How to Discover a CSS Trick

How to Discover a CSS Trick

Do we invent or discover CSS tricks? Lee Meyer discusses how creative limitations, recursive thinking, and unexpected combinations lead to his most interesting ideas.

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Atomic Design Certification Course

Atomic Design Certification Course

Brad Frost introduced the "Atomic Design" concept wayyyy back in 2013. He even wrote a book on it. And we all took notice, because that term has been part of

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A First Look at the Interest Invoker API (for Hover-Triggered Popovers)

A First Look at the Interest Invoker API (for Hover-Triggered Popovers)

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.

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A Primer on Focus Trapping

A Primer on Focus Trapping

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.

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Getting Creative With Versal Letters

Getting Creative With Versal Letters

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.

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Getting Clarity on Apple’s Liquid Glass

Getting Clarity on Apple’s Liquid Glass

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.

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What I Took From the State of Dev 2025 Survey

What I Took From the State of Dev 2025 Survey

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

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Setting Line Length in CSS (and Fitting Text to a Container)

Setting Line Length in CSS (and Fitting Text to a Container)

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

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Scroll-Driven Sticky Heading

Scroll-Driven Sticky Heading

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.

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Better CSS Shapes Using shape() — Part 4: Close and Move

Better CSS Shapes Using shape() — Part 4: Close and Move

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

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The Gap Strikes Back: Now Stylable

The Gap Strikes Back: Now Stylable

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.

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Using CSS Cascade Layers With Tailwind Utilities

Using CSS Cascade Layers With Tailwind Utilities

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.

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CSS Blob Recipes

CSS Blob Recipes

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!

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KelpUI

KelpUI

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.

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Poking at the CSS if() Function a Little More: Conditional Color Theming

Poking at the CSS if() Function a Little More: Conditional Color Theming

The CSS if() function enables us to use values conditionally, which we can already do with queries and other functions, so I’m sure you’re wondering: What exactly does if() do? Let's look at a possible real-world use case.

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Lightly Poking at the CSS if() Function in Chrome 137

Lightly Poking at the CSS if() Function in Chrome 137

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.

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A Better API for the Intersection and Mutation Observers

A Better API for the Intersection and Mutation Observers

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.

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Color Everything in CSS

Color Everything in CSS

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

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CSS Color Functions

CSS Color Functions

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.

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How to Keep Up With New CSS Features

How to Keep Up With New CSS Features

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.

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Breaking Boundaries: Building a Tangram Puzzle With (S)CSS

Breaking Boundaries: Building a Tangram Puzzle With (S)CSS

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.

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Creating an Auto-Closing Notification With an HTML Popover

Creating an Auto-Closing Notification With an HTML Popover

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.

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Better CSS Shapes Using shape() — Part 3: Curves

Better CSS Shapes Using shape() — Part 3: Curves

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.

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Exploring the CSS contrast-color() Function… a Second Time

Exploring the CSS contrast-color() Function… a Second Time

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.

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The State of CSS 2025 Survey is out!

The State of CSS 2025 Survey is out!

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.

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Getting Creative With HTML Dialog

Getting Creative With HTML Dialog

So, how can you take dialogue box design beyond the generic look of frameworks and templates? How can you style them to reflect a brand’s visual identity and help to tell its stories? Here’s how I do it in CSS using ::backdrop, backdrop-filter, and animations.

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Better CSS Shapes Using shape() — Part 2: More on Arcs

Better CSS Shapes Using shape() — Part 2: More on Arcs

This is the second part of a series that dives deep into the CSS shape() command, continuing with a more detailed look at the arc command.

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What We Know (So Far) About CSS Reading Order

What We Know (So Far) About CSS Reading Order

The reading-flow and reading-order proposed CSS properties are designed to specify the source order of HTML elements in the DOM tree, or in simpler terms, how accessibility tools deduce the order of elements. You’d use them to make the focus order of focusable elements match the visual order, as outlined in the Web Content Accessibility Guidelines (WCAG 2.2).

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Better CSS Shapes Using shape() — Part 1: Lines and Arcs

Better CSS Shapes Using shape() — Part 1: Lines and Arcs

This is the first part of a series that dives deep into the shape function, starting with shapes that use lines and arcs.

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You can style alt text like any other text

You can style alt text like any other text

Clever, clever that Andy Bell. He shares a technique for displaying image alt text when the image fails to load. Well, more precisely, it's a technique to apply styles to the alt when the image doesn't load, offering a nice UI fallback for what would otherwise be a busted-looking error.

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SVG to CSS Shape Converter

SVG to CSS Shape Converter

Shape master Temani Afif has what might be the largest collection of CSS shapes on the planet with all the tools to generate them on the fly. There's a mix of

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A Reader’s Question on Nested Lists

A Reader’s Question on Nested Lists

Answering a reader's question about how to create a complex numbering system with CSS list counters.

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HTML Email Accessibility Report 2025

HTML Email Accessibility Report 2025

Some weekend reading on the heels of Global Accessibility Awareness Day (GAADM), which took place yesterday. The Email Markup Consortium (EMC) released its

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Scroll-Driven Animations Inside a CSS Carousel

Scroll-Driven Animations Inside a CSS Carousel

Hey, isn't there a fairly new CSS feature that works with scroll regions? Oh yes, that's Scroll-Driven Animations. Shouldn't that mean we can trigger an animation while scrolling through the items in a CSS carousel?

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This Isn’t Supposed to Happen: Troubleshooting the Impossible

This Isn’t Supposed to Happen: Troubleshooting the Impossible

What it looks like to troubleshoot one of those impossible issues that turns out to be something totally else you never thought of.

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