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CSS Day @cssday.nl · 14d

... and if I were to ask you "Who would you like to see speak at CSS Day 2026", what would your answer be?

Name as many names as you like.
I'd like to hear about people who aren't that well known yet.

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CSS Day @cssday.nl · 14d

Sorry, we limit submission scrolls to 3 meters.

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CSS Day @cssday.nl · 14d

They'll eventually appear on YouTube, but I'm not sure when. I have to evaluate the experiment first.

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CSS Day @cssday.nl · 14d

... and if I were to ask you "Who would you like to see speak at CSS Day 2026", what would your answer be?

Name as many names as you like.
I'd like to hear about people who aren't that well known yet.

12 15 24

CSS Day @cssday.nl · Jun 16

He's at 3999 ...

Matthias Ott @matthiasott.com · May 29

4k follows and I’ll start a podcast.

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Cyd Stumpel @cydstumpel.nl · Jun 13

I spoke at my favorite conference about view transitions last week; @cssday.nl. You can find my slides at: css-day.cydstumpel.nl and my demo here: sidstumple.github.io/view-transit...

Cyd smiling and speaking behind a lectern saying “CSS day” gesturing with her hands

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Ahmad Shadeed @ishadeed.com · Jun 14

One of the best moments at @cssday.nl was when my daughter, Alma, joined me on stage during the Q&A session with @bram.us. It was one of the cutest moments ever! ❤️

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CSS Day @cssday.nl · Jun 13

The CSS Day 2025 photos are up at cssday.nl/2025/pix/pho...

The interface is still a bit basic, but the photos are there for your downloading pleasure, especially if you had a team photo taken.

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Ahmad Shadeed @ishadeed.com · Jun 10

Big thanks to CSS Day (@cssday.nl) for the kind invitation, such an honor to speak! ❤️

It was great meeting so many online friends in person and left feeling even more excited about what’s coming in CSS and the web ✨

My talk slides:
www.figma.com/deck/NewdIWN...

#cssday

Figma

Created with Figma

www.figma.com

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Ana Rodrigues @ohhelloana.blog · Jun 8

Slides published.
View with the resources: noti.st/anarodrigues...
View with the notes:
noti.st/anarodrigues...

Refactoring CSS by Ana Rodrigues

In recent years, updates in CSS have given us many exciting possibilities for creating modern, dynamic web experiences. Yet, for many developers, the day-to-day reality often involves working within t...

noti.st

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Hidde @hidde.blog · Jun 7

🖼️ My #CSSDay slides and all the links are up on talks.hiddedevries.nl/3do3c4/displ...

humbled by all the friendly responses to this, it felt like there was real appetite for people to make their sites greener. I love to see it!

display: green; applying the web sustainability guidelines by Hidde de Vries

The tech sector has an elephant in the room: we use too much energy. In 2024, the World Bank estimated the internet to account for 1-4% of global greenhouse emissions, similar to aviation. The good ne...

talks.hiddedevries.nl

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Jen Simmons @jensimmons.bsky.social · Jun 6

Tim presented this work today at #cssday!! Follow him at @ntim.bsky.social

Jen Simmons @jensimmons.bsky.social · Mar 5

Styling HTML form controls is something web designers & developers have wanted for years! My team is working on a solution — apply `appearance: base` and switch to a new interoperable consistent default control. Then override it using new pseudo-elements. See the details: drafts.csswg.org/css-forms/

CSS Form Control Styling Level 1

drafts.csswg.org

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Bruce Lawson @brucel.bsky.social · Jun 6

#cssday folks - here are my slides; thank you for listening and not hurling me into the canal. speakerdeck.com/brucel/cssda...

CSSDay, Amsterdam

The web is at an inflection point. Big Tech owns the major platforms, the major browsers, the biggest websites, and carves the Web up between themselves…

speakerdeck.com

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CSS Day @cssday.nl · Jun 6

CSS Day 2026, next year:

11th and 12th of June, 2026, Amsterdam

Watch the 2025 videos via cssday.nl/live-stream....

CSS Day 2025, 5th & 6th of June, Amsterdam

CSS Day is the conference for CSS designers, developers, spec writers, and browser vendors.

cssday.nl

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Josh Tumath @joshtumath.uk · Jun 6

Another brilliant @cssday.nl #CSSDay! Thank you so much @ppkoch.bsky.social and all the organisers for doing a perfect job in this labour of love for the Web.

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Artem Pendiurin @erblack.me · Jun 6

A #sketchnotes for the talk "The goose and the common" by @brucel.bsky.social‬ at the @cssday.nl #cssday

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Josh Tumath @joshtumath.uk · Jun 6

Finally we have the interesting UK national treasure @brucel.bsky.social who is a HTMLaholic.

He's also got a certificate as a rat tickler. He's never needed to use it. #CSSDay

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CSS Day @cssday.nl · Jun 6

If we can do it really quickly after the conference ends, yes. But everybody has to gather near stage quickly.

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Artem Pendiurin @erblack.me · Jun 6

A #sketchnotes for the talk "display: green; applying the web sustainability guidelines" by @hidde.blog‬ at the @cssday.nl #cssday

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CSS Day @cssday.nl · Jun 6

During the afternoon break, teams attending the conference together get to use our stage to take a group photo. 📸 Some of them even show up in custom matching t-shirts, like the team of Total Onion pictured here. 👕👕👕 Kudos!

Group of people posing for a photograph on a conference stage

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Josh Tumath @joshtumath.uk · Jun 6

If you insert swear words in a Google search, it'll turn off the AI answers. 😂 #CSSDay

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Raphael @xrox.bsky.social · Jun 6

I love how @hidde.blog includes topics of other speakers into his presentation—this is really great and shows the vibe of @cssday.nl
❤️‍🔥

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CSS Day @cssday.nl · Jun 6

Thank you to @bitsandletters.com, who sponsor this year's #CSSDay not for themselves, but to make additional student tickets available to the event! Here are all student attendees on our conf stage. (Plus some special guests / photo bombers, can you spot them?) /ht @demar.ee

Student participants posing on the conference stage at CSS Day 2025

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Josh Tumath @joshtumath.uk · Jun 6

But a lot of this is a people problem. We need to have that conversation in our teams about making this a collective goal. You could have a sustainability representative. #CSSDay

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Josh Tumath @joshtumath.uk · Jun 6

What creates our footprint? The actual servers and networking hardware, but also the manufacturing of the devices. #CSSDay

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