CSS Day

.css-day {
  date: '5th and 6th of June 2025';
  speakers: 14;  /* Single-track */
  venue: Zuiderkerk;  /* Amsterdam, NL */
}

Watch the 2024 sessions

CSS Day is a focused, advanced CSS conference. Our attendees and speakers are a mix of CSS designers, developers, spec writers, and browser vendors, who take pride in what they know and do.

Our 11th edition will take place on 5th and 6th of June 2025. Ticket sales will start in late January or early February.

Subscribe to our mailing list to be notified when ticket sales start.

For a taste of the previous editions, see our YouTube channel.

Our 2025 line-up

To be announced
... but you trust us, right?

The website is currently being restructured. Some functions, especially the archives, may take a while to reappear. For the moment the experience will be lightly messy.