CSS Day

display: green; applying the web sustainability guidelines - Hidde de Vries - CSS Day 2025 YouTube video by Web Conferences Amsterdam

🎥 Out now: video of my @cssday.nl talk on making the web greener at work with the Web Sustainability Guidelines youtu.be/u76IcrzZPwc

I'll take a look later this week.

Officially I'll pretend this is the intended layout!
It is rather constructivisic, I admit.

Which browser/device?

Henry (@hl@social.lol) Attached: 1 image Looks like I've got at least one overflow problem. #coffee #css #WebDev

The modern CSS stack demands constant care and attention

social.lol/@hl/11615470...

CSS Day 2026, 11th & 12th of June, Amsterdam CSS Day is the conference for CSS designers, developers, spec writers, and browser vendors.

At 100 attendees! And the best part of the conference is the people you meet, the community you're steeped in. (Or words to that effect.)

cssday.nl/attendees.html

Smart Layouts - Ahmad Shadeed - CSS Day 2025 YouTube video by Web Conferences Amsterdam

... and @ishadeed.com talks about smart layouts at #cssday.

www.youtube.com/watch?v=_njU...

One more thing to discuss at #cssday!

NO spoilers!

CSS Day 2026, 11th & 12th of June, Amsterdam CSS Day is the conference for CSS designers, developers, spec writers, and browser vendors.

Today we announce the following speakers:

- @patrickbrosset.com (Microsoft)
- @una.im (Google)
- and @nerdy.dev (CSS)

See our full line-up at cssday.nl

CSS Day 2026, 11th & 12th of June, Amsterdam CSS Day is the conference for CSS designers, developers, spec writers, and browser vendors.

Some people collect stamps; we at CSS Day collect browser vendors. We already announced Vivaldi and Ladybird; today we add Google and Microsoft.

cssday.nl

This allows our attendees to complain efficiently about CSS problems in many browsers at once

Building a Computer with CSS - Amit Sheen - CSS Day 2025 YouTube video by Web Conferences Amsterdam

In case you missed it yesterday, here's @amitsheen.bsky.social building a computer with CSS.

www.youtube.com/watch?v=PFqt...

... and our next 2025 video is up ...

Clearly, CSS conferences are a thing of the past as well.

Styling new HTML UI capabilities - Brecht De Ruyte - CSS Day 2025 YouTube video by Web Conferences Amsterdam

To get in the #cssday mood, here's @utilitybend.com 's talk from last year:

www.youtube.com/watch?v=SsBC...

So we sent out the mailing yesterday, and where we expected to sell about 30-35 of the early-bird tickets, we sold all of them plus a few regular ones!

So no more early-bird tickets, we're afraid.

Hey pssssttt .. want some speakers ... ?

cssday.nl

CSS tried to come for my Job - Cyd Stumpel - CSS Day 2025 YouTube video by Web Conferences Amsterdam

We started publishing the #cssday 2025 talks, one each Wednesday for the next 12 weeks.

Today: Cyd Stumpel

www.youtube.com/watch?v=rPXS...

A final short wait is required. We have to fold the tickets properly before selling them.

CSS Day 2026, 11th & 12th of June, Amsterdam CSS Day is the conference for CSS designers, developers, spec writers, and browser vendors.

CSS Day is returning! cssday.nl

We will open #cssday ticket sales this month. Early-bird tickets will be announced first via our newsletter cssday.nl/subscribe; subscribe for the most affordable prices.

"There, what do you think?"
...
"What do you mean 'all right'? It was a brilliant bit of announcement!"
...
"That's because you're not a consummate professional."
...
"OK. Well, see you next week."
...
"Well, I'll do more announcements next week, right?"
-
"... right?"

CSS Day 2026, 11th & 12th of June, Amsterdam CSS Day is the conference for CSS designers, developers, spec writers, and browser vendors.

CSS Day, 11th and 12th of June, just announced @brucel.bsky.social and @ohhelloana.blog as their 2026 MCs.

cssday.nl

Ticket sales will open later this month. We'll announce the early-bird tickets on our mailing list first. Subscribe to be notified ASAP!

cssday.nl/subscribe

"Wait, what? They announced the MCs? I thought I was going to be ..."
...
"Right. Well, maybe next year."
...
"Announce them right now? But ... but ... that '://' is always hell on my throat, and I'm not feeling ..."
...
"Them? I though you would pay me. OK, fine, you convinced me. Here it goes:"

"Welcome to ... what was the name again?"
...
"But it's two days, right?"
...
"Right. Ahem.
Welcome to CSS Day-for-historical-reasons."
...
"Not?"
...
"Fine, fine. That's why we practice. Behind the scenes they're comically unready anyway. We have plenty of time."

// clears float

// taps mic

"sibling-index(). Text. sibling-index()"

// clears throat

// taps mic

"One two three. Test. One two three"

"Welcome to CSS D ... no, I need more gravitas. Could you turn up the bass just a little bit?"

... 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.

Sorry, we limit submission scrolls to 3 meters.

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

... 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.

He's at 3999 ...