Ever want to use CSS variables in media queries?
There's no native solution yet, but there's a W3C proposal for this: env() ✨
Install the PostCSS plugin for a glimpse at the future:
There's no native solution yet, but there's a W3C proposal for this: env() ✨
Install the PostCSS plugin for a glimpse at the future:
December 3, 2024 at 4:47 PM
Ever want to use CSS variables in media queries?
There's no native solution yet, but there's a W3C proposal for this: env() ✨
Install the PostCSS plugin for a glimpse at the future:
There's no native solution yet, but there's a W3C proposal for this: env() ✨
Install the PostCSS plugin for a glimpse at the future:
I made a new PostCSS plugin for the new CSS `corner-shape: squircle`.
It creates smooth corners like in iOS (and nature). The plugin adjusts `border-radius` for squircle geometry and can add `corner-shape` automatically.
github.com/postcss/post...
It creates smooth corners like in iOS (and nature). The plugin adjusts `border-radius` for squircle geometry and can add `corner-shape` automatically.
github.com/postcss/post...
September 25, 2026 at 12:44 PM
I made a new PostCSS plugin for the new CSS `corner-shape: squircle`.
It creates smooth corners like in iOS (and nature). The plugin adjusts `border-radius` for squircle geometry and can add `corner-shape` automatically.
github.com/postcss/post...
It creates smooth corners like in iOS (and nature). The plugin adjusts `border-radius` for squircle geometry and can add `corner-shape` automatically.
github.com/postcss/post...
Made a new PostCSS plugin for generating more realistic smooth shadows like on smoothshadows.com
Now designers usually rely on generators, but the resulting code is often hard to maintain.
github.com/postcss/post...
Now designers usually rely on generators, but the resulting code is often hard to maintain.
github.com/postcss/post...
October 18, 2025 at 2:20 PM
Made a new PostCSS plugin for generating more realistic smooth shadows like on smoothshadows.com
Now designers usually rely on generators, but the resulting code is often hard to maintain.
github.com/postcss/post...
Now designers usually rely on generators, but the resulting code is often hard to maintain.
github.com/postcss/post...
It's been a while since I last touched my old project with 60M downloads, today got a little nostalgic and revived it. Most dependencies are gone.
lint-staged -> ❌
tape -> node --test
eslint -> oxlint
prettier -> oxfmt
github.com/postcss/post...
lint-staged -> ❌
tape -> node --test
eslint -> oxlint
prettier -> oxfmt
github.com/postcss/post...
GitHub - postcss/postcss-value-parser: Transforms css values into the tree
Transforms css values into the tree. Contribute to postcss/postcss-value-parser development by creating an account on GitHub.
github.com
June 5, 2026 at 12:15 PM
It's been a while since I last touched my old project with 60M downloads, today got a little nostalgic and revived it. Most dependencies are gone.
lint-staged -> ❌
tape -> node --test
eslint -> oxlint
prettier -> oxfmt
github.com/postcss/post...
lint-staged -> ❌
tape -> node --test
eslint -> oxlint
prettier -> oxfmt
github.com/postcss/post...
We just released PostCSS 8.5.
@romainmenke.bsky.social added new API to make it easier to use PostCSS to parse styles in HTML, Vue/Svelte components, CSS-in-JS.
github.com/postcss/post...
@romainmenke.bsky.social added new API to make it easier to use PostCSS to parse styles in HTML, Vue/Svelte components, CSS-in-JS.
github.com/postcss/post...
January 13, 2025 at 7:48 PM
We just released PostCSS 8.5.
@romainmenke.bsky.social added new API to make it easier to use PostCSS to parse styles in HTML, Vue/Svelte components, CSS-in-JS.
github.com/postcss/post...
@romainmenke.bsky.social added new API to make it easier to use PostCSS to parse styles in HTML, Vue/Svelte components, CSS-in-JS.
github.com/postcss/post...
This is me a couple of days before the first release of PostCSS.
From my new article about the history of PostCSS and the lessons I learned from it (for example, how to break an API when you have 400M downloads per month).
evilmartians.com/chronicles/w...
From my new article about the history of PostCSS and the lessons I learned from it (for example, how to break an API when you have 400M downloads per month).
evilmartians.com/chronicles/w...
August 6, 2025 at 5:20 PM
This is me a couple of days before the first release of PostCSS.
From my new article about the history of PostCSS and the lessons I learned from it (for example, how to break an API when you have 400M downloads per month).
evilmartians.com/chronicles/w...
From my new article about the history of PostCSS and the lessons I learned from it (for example, how to break an API when you have 400M downloads per month).
evilmartians.com/chronicles/w...
Big news for PostCSS: CodeRabbit is sponsoring us with $500/month. This support lets us start preparing PostCSS 9.
www.coderabbit.ai/blog/coderab...
If you also want to support our work, we accept donations via opencollective.com/postcss or github.com/sponsors/ai/
www.coderabbit.ai/blog/coderab...
If you also want to support our work, we accept donations via opencollective.com/postcss or github.com/sponsors/ai/
CodeRabbit commits more than $10 million to open source
CodeRabbit is committing more than $10 million of its actual direct cost to open source over the next year through cash sponsorships, free Review and Security, and broader agentic support across the s...
www.coderabbit.ai
August 26, 2026 at 3:36 PM
Big news for PostCSS: CodeRabbit is sponsoring us with $500/month. This support lets us start preparing PostCSS 9.
www.coderabbit.ai/blog/coderab...
If you also want to support our work, we accept donations via opencollective.com/postcss or github.com/sponsors/ai/
www.coderabbit.ai/blog/coderab...
If you also want to support our work, we accept donations via opencollective.com/postcss or github.com/sponsors/ai/
I use PostCSS for that one purpose
September 18, 2026 at 6:02 AM
I use PostCSS for that one purpose
“What we learned creating PostCSS”
My new article was published with the story of PostCSS and my 8 lessons from this big journey of creating ecosystem with 400M monthly downloads
My new article was published with the story of PostCSS and my 8 lessons from this big journey of creating ecosystem with 400M monthly downloads
We share what have we learned creating PostCSS and the huge ecosystem around it. Get 8 key lessons from @en.sitnik.ru, creator of PostCSS. evilmartians.com/chronicles/w...
What we learned from creating PostCSS—Martian Chronicles, Evil Martians’ team blog
We share what have we learned creating PostCSS and the huge ecosystem around it. Get 8 key lessons from Andrey Sitnik, creator of PostCSS.
evilmartians.com
August 5, 2025 at 6:34 PM
“What we learned creating PostCSS”
My new article was published with the story of PostCSS and my 8 lessons from this big journey of creating ecosystem with 400M monthly downloads
My new article was published with the story of PostCSS and my 8 lessons from this big journey of creating ecosystem with 400M monthly downloads
Browserslist works across Babel, PostCSS (preset-env), and Lightning CSS (on CodePen). I like it. One place to store browser support information, multiple tools use it.
April 27, 2026 at 9:32 PM
Browserslist works across Babel, PostCSS (preset-env), and Lightning CSS (on CodePen). I like it. One place to store browser support information, multiple tools use it.
Hey! I am open for contract or full-time work as a full-stack developer.
I've worked on industrial software, real estate tech, and a visual website builder. I specialize in design systems, a11y, and UX.
Previously maintained PostCSS, Rollup, and SVGO. Currently building weareonhire! on Open Social
I've worked on industrial software, real estate tech, and a visual website builder. I specialize in design systems, a11y, and UX.
Previously maintained PostCSS, Rollup, and SVGO. Currently building weareonhire! on Open Social
May 13, 2026 at 11:08 AM
Hey! I am open for contract or full-time work as a full-stack developer.
I've worked on industrial software, real estate tech, and a visual website builder. I specialize in design systems, a11y, and UX.
Previously maintained PostCSS, Rollup, and SVGO. Currently building weareonhire! on Open Social
I've worked on industrial software, real estate tech, and a visual website builder. I specialize in design systems, a11y, and UX.
Previously maintained PostCSS, Rollup, and SVGO. Currently building weareonhire! on Open Social
Vite 8.2 is out 🚀
• Top-level `input` option: No need to use `build.rolldownOptions`
• Warnings for config features the native loader can't handle yet
• PostCSS config type export for type-safe configs
• Dev URLs now labeled by their interfaces
More info in the changelog
github.com/vitejs/vite/...
• Top-level `input` option: No need to use `build.rolldownOptions`
• Warnings for config features the native loader can't handle yet
• PostCSS config type export for type-safe configs
• Dev URLs now labeled by their interfaces
More info in the changelog
github.com/vitejs/vite/...
github.com
July 30, 2026 at 4:49 PM
Vite 8.2 is out 🚀
• Top-level `input` option: No need to use `build.rolldownOptions`
• Warnings for config features the native loader can't handle yet
• PostCSS config type export for type-safe configs
• Dev URLs now labeled by their interfaces
More info in the changelog
github.com/vitejs/vite/...
• Top-level `input` option: No need to use `build.rolldownOptions`
• Warnings for config features the native loader can't handle yet
• PostCSS config type export for type-safe configs
• Dev URLs now labeled by their interfaces
More info in the changelog
github.com/vitejs/vite/...
What We Learned From Creating PostCSS, by @sitnik_en@mastodon.social and @travisturner.bsky.social (@evilmartians@mastodon.social):
https://evilmartians.com/chronicles/what-we-learned-from-creating-postcss
#postcss #history #lessons #tipsandtricks
https://evilmartians.com/chronicles/what-we-learned-from-creating-postcss
#postcss #history #lessons #tipsandtricks
What we learned from creating PostCSS—Martian Chronicles, Evil Martians’ team blog
We share what have we learned creating PostCSS and the huge ecosystem around it. Get 8 key lessons from Andrey Sitnik, creator of PostCSS.
evilmartians.com
August 9, 2025 at 6:30 PM
What We Learned From Creating PostCSS, by @sitnik_en@mastodon.social and @travisturner.bsky.social (@evilmartians@mastodon.social):
https://evilmartians.com/chronicles/what-we-learned-from-creating-postcss
#postcss #history #lessons #tipsandtricks
https://evilmartians.com/chronicles/what-we-learned-from-creating-postcss
#postcss #history #lessons #tipsandtricks
As part of our open source pledge, we financially support our critical dependencies and important projects / initiatives for the web ecosystem.
July 3, 2025 at 3:20 PM
As part of our open source pledge, we financially support our critical dependencies and important projects / initiatives for the web ecosystem.
just migrated postcss-use-logical.netlify.app to svelte 5 and deployed it to netlify!
(unfortunately had to leave the original domain behind because of some DNS bs)
(unfortunately had to leave the original domain behind because of some DNS bs)
postcss-use-logical
auto convert physical CSS properties to logical
postcss-use-logical.netlify.app
November 9, 2024 at 11:05 PM
just migrated postcss-use-logical.netlify.app to svelte 5 and deployed it to netlify!
(unfortunately had to leave the original domain behind because of some DNS bs)
(unfortunately had to leave the original domain behind because of some DNS bs)
![[ERR_PNPM_NO_MATCHING_VERSION] No matching version found for postcss@^8.5.23 while fetching it from https://registry.npmjs.org/
This error happened while installing the dependencies of @astrojs/netlify@8.2.0
at vite@8.2.0
The latest release of postcss is "8.5.19".
If you need the full list of all 283 published versions run "pnpm view postcss versions".
../.. | Progress: resolved 894, reused 0, downloaded 0, added 0](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:ga3wlji66r5mxqch6wh7nq4v/bafkreidopxsnfs773y7qag7rjq2cjiyzeataztfezczqhlssbsts7ovrw4)
I upgraded a Rails app using Postcss to Tailwind v4 last week and it took several hours, so I thought I'd share my notes…
hybrd.co/posts/upgrad...
hybrd.co/posts/upgrad...
Upgrading a Rails App to Tailwind v4
hybrd.co
February 9, 2025 at 8:17 PM
I upgraded a Rails app using Postcss to Tailwind v4 last week and it took several hours, so I thought I'd share my notes…
hybrd.co/posts/upgrad...
hybrd.co/posts/upgrad...
We share what have we learned creating PostCSS and the huge ecosystem around it. Get 8 key lessons from @en.sitnik.ru, creator of PostCSS. evilmartians.com/chronicles/w...
What we learned from creating PostCSS—Martian Chronicles, Evil Martians’ team blog
We share what have we learned creating PostCSS and the huge ecosystem around it. Get 8 key lessons from Andrey Sitnik, creator of PostCSS.
evilmartians.com
August 5, 2025 at 6:32 PM
We share what have we learned creating PostCSS and the huge ecosystem around it. Get 8 key lessons from @en.sitnik.ru, creator of PostCSS. evilmartians.com/chronicles/w...
first to like postcss by @evilmartians.com on @npmx.dev
February 4, 2026 at 8:33 AM
first to like postcss by @evilmartians.com on @npmx.dev
PostCSS creator, @en.sitnik.ru, shares how to make your open source popular.
He also destroys the false idea that writing open source will make you famous, or that you should write open source to show your expertise. Plus, he explains how to avoid burnout when maintaining your products.
He also destroys the false idea that writing open source will make you famous, or that you should write open source to show your expertise. Plus, he explains how to avoid burnout when maintaining your products.
PostCSS creator shares how to make your open source popular—Martian Chronicles, Evil Martians’ team blog
With 20+ years and millions of downloads, PostCSS creator Andrey Sitnik shares his guide on how to make your open source project popular.
evilmartians.com
February 17, 2026 at 8:31 PM
PostCSS creator, @en.sitnik.ru, shares how to make your open source popular.
He also destroys the false idea that writing open source will make you famous, or that you should write open source to show your expertise. Plus, he explains how to avoid burnout when maintaining your products.
He also destroys the false idea that writing open source will make you famous, or that you should write open source to show your expertise. Plus, he explains how to avoid burnout when maintaining your products.
in the mean time, this postcss polyfill lets one use it today: github.com/csstools/pos...
(open-props also ships a set of them)
(open-props also ships a set of them)
September 23, 2026 at 1:58 PM
in the mean time, this postcss polyfill lets one use it today: github.com/csstools/pos...
(open-props also ships a set of them)
(open-props also ships a set of them)
Did you know Tailwind CSS officially provides a loader for webpack, Rspack, and Turbopack?
No more PostCSS. Up to 30% faster.
Rsbuild now ships a new plugin that integrates the loader out of the box:
No more PostCSS. Up to 30% faster.
Rsbuild now ships a new plugin that integrates the loader out of the box:
June 16, 2026 at 7:38 AM
Did you know Tailwind CSS officially provides a loader for webpack, Rspack, and Turbopack?
No more PostCSS. Up to 30% faster.
Rsbuild now ships a new plugin that integrates the loader out of the box:
No more PostCSS. Up to 30% faster.
Rsbuild now ships a new plugin that integrates the loader out of the box:
🚨 Socket researchers have discovered a malicious npm package "postcss-optimizer" that delivers BeaverTail malware, targeting developer systems; similarities to past campaigns suggest a North Korean connection.
socket.dev/blog/north-k... #cybersecurity #javascript
socket.dev/blog/north-k... #cybersecurity #javascript
North Korean APT Lazarus Targets Developers with Malicious n...
Malicious npm package postcss-optimizer delivers BeaverTail malware, targeting developer systems; similarities to past campaigns suggest a North Korea...
socket.dev
January 30, 2025 at 12:17 AM
🚨 Socket researchers have discovered a malicious npm package "postcss-optimizer" that delivers BeaverTail malware, targeting developer systems; similarities to past campaigns suggest a North Korean connection.
socket.dev/blog/north-k... #cybersecurity #javascript
socket.dev/blog/north-k... #cybersecurity #javascript
Galera usando react-router-DOM e tailwind v3 com postCSS em código novo são grandes indicadores disso
(Claro que podem estar seguindo tutorial velho)
(Claro que podem estar seguindo tutorial velho)
Sou testemunha que LLM vai prender pessoas em versões antigas de langs.
As novas versões vão surgir mas as pessoas vão ficar paradas no passado pq a LLM não vai nem apontar que a referência dela tá antiga, diferente de blog post que tem uma grande chance de ter uma data com o post
As novas versões vão surgir mas as pessoas vão ficar paradas no passado pq a LLM não vai nem apontar que a referência dela tá antiga, diferente de blog post que tem uma grande chance de ter uma data com o post
October 21, 2025 at 12:01 AM
Galera usando react-router-DOM e tailwind v3 com postCSS em código novo são grandes indicadores disso
(Claro que podem estar seguindo tutorial velho)
(Claro que podem estar seguindo tutorial velho)