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Should We Even Have :closed?
20.11.2025
Is there really a difference between using :not(:open) and :closed? As always, it depends. Sunkanmi Fafowora explains why :closed is currently not a thing.
Should We Even Have :closed? originally published on CSS-Tricks, which is part of the DigitalOcean family. You should get the newsletter
Masonry: Watching a CSS Feature Evolve
13.10.2025
What can CSS Masonry discussions teach us about the development of new CSS features? What is the CSSWG’s role? What influence do browsers have? What can learn from the way past features evolved?
Masonry: Watching a CSS Feature Evolve originally published on CSS-Tricks, which is part of...
Support Logical Shorthands in CSS
24.3.2025
There’s a bit of a blind spot when working with CSS logical properties concerning shorthands.
Support Logical Shorthands in CSS originally published on CSS-Tricks, which is part of the DigitalOcean family. You should get the newsletter
The Mistakes of CSS
30.1.2025
All of the things that the CSS Working Group would change if they had a time-traveling Delorean to go back and do things over.
The Mistakes of CSS originally published on CSS-Tricks, which is part of the DigitalOcean family. You should get the newsletter
CSSWG Minutes Telecon (2024-12-04): Just Use Grid vs. Display: Masonry
10.12.2024
The CSSWG met to try and finally squash a debate that has been going on for five years: whether Masonry should be a part of Grid or a separate system. We've got coverage of both presentations for ya.
CSSWG Minutes Telecon (2024-12-04): Just Use Grid vs. Display: Masonry originally published...
CSSWG Minutes Telecon (2024-09-18)
20.9.2024
For the past two months, all my livelihood has gone towards reading, researching, understanding, writing, and editing about Anchor Positioning, and with many Almanac entries published and a full Guide guide on the way, I thought I was ready to …
CSSWG Minutes Telecon (2024-09-18) originally...
Quick Hit #19
19.9.2024
Two possible syntaxes for CSS masonry, one draft specification, and you get to share your opinions.
…
Quick Hit #19 originally published on CSS-Tricks, which is part of the DigitalOcean family. You should get the newsletter
CSSWG Minutes Telecon (2024-08-21)
30.8.2024
View Transitions are one of the most awesome features CSS has shipped in recent times. Its title is self-explanatory: transitions between views are possible with just CSS, even across pages of the same origin! What’s more interesting is its …
CSSWG Minutes Telecon (2024-08-21)...
CSSWG Minutes Telecon (2024-08-14)
16.8.2024
I was just going over the latest CSSWG minutes (you can subscribe to them at W3C.org) and came across a few interesting nuggets I wanted to jot down for another time. The group discussed the CSS Values, CSS Easing, and …
CSSWG Minutes Telecon (2024-08-14) originally published on CSS-Tricks...
CSS Functions and Mixins Module Notes
31.7.2024
Most days, I’m writing vanilla CSS. Thanks to CSS variables and nesting, I have fewer reasons to reach for Sass or any other preprocessor. The times I reach for Sass tend to be when I need a @mixin to loop …
CSS Functions and Mixins Module Notes originally published on CSS-Tricks...
Letter Spacing is Broken and There’s Nothing We Can Do About It… Maybe
29.7.2024
This post came up following a conversation I had with Emilio Cobos — a senior developer at Mozilla and member of the CSSWG — about the last CSSWG group meeting. I wanted to know what he thought were the …
Letter Spacing is Broken and There’s Nothing We Can Do About It… Maybe...
CSS Stuff I’m Excited After the Last CSSWG Meeting
19.7.2024
From June 11–13, the CSS Working Group (CSSWG) held its second face-to-face meeting of the year in Coruña, Spain, with a long agenda of new features and improvements coming to language. If 2023 brought us incredible advances like …
CSS Stuff I’m Excited After the Last CSSWG...
“If” CSS Gets Inline Conditionals
9.7.2024
A few sirens went off a couple of weeks ago when the CSS Working Group (CSSWG) resolved to add an if() conditional to the CSS Values Module Level 5 specification. It was Lea Verou’s X post that same day that …
“If” CSS Gets Inline Conditionals originally published...
So, you’d like to animate the display property
15.12.2022
The CSS Working Group gave that a thumbs-up a couple weeks ago. The super-duper conceptual proposal being that we can animate or transition from, say, display: block to display: none.
It’s a bit of a brain-twister to reason …
So, you’d like to animate the display property originally...
Digging Deeper Into Container Style Queries
1.12.2022
I wrote up some early thoughts on container style queries a little while back. It’s still early days. They’re already defined in the CSS Containment Module Level 1 specification (currently in Editor’s Draft status) but there’s still a couple of …
Digging Deeper Into...
Scroll-Linked Animations With the Web Animations API (WAAPI) and ScrollTimeline
4.11.2021
The Scroll-linked Animations specification is an upcoming and experimental addition that allows us to link animation-progress to scroll-progress: as you scroll up and down a scroll container, a linked animation also advances or rewinds accordingly.
We covered some use cases …
The post...
Proposal for CSS @when
22.9.2021
CSS is on a tear lately. Again, I’ve heard of a brand new thing I’ve never seen before, and again it’s via Miriam: CSS Conditionals.
???? CSSWG just resolved to adopt @tabatkins when/else proposal into the next level of CSS
…
The post Proposal for CSS @when appeared...
Using Absolute Value, Sign, Rounding and Modulo in CSS Today
28.7.2021
For quite a while now, the CSS spec has included a lot of really useful mathematical functions, such as trigonometric functions (sin(), cos(), tan(), asin(), acos(), atan(), atan2()), exponential functions (…
The post Using Absolute Value, Sign, Rounding and Modulo in CSS Today appeared...
Practical Use Cases for Scroll-Linked Animations in CSS with Scroll Timelines
19.7.2021
The Scroll-Linked Animations specification is an upcoming and experimental addition to CSS. Using the @scroll-timeline at-rule and animation-timeline property this specification provides you can control the time position of regular CSS Animations by scrolling.
In this post, we take a …
The...
A Cornucopia of Container Queries
9.6.2021
I don’t know about y’all, but my feeds have been flooded with articles about CSS Container Queries these past few weeks. The buzz about container queries actually started back in December after Miriam Suzanne posted a proposal (picking up on …
The post A Cornucopia of Container...