CSS Day

.css-day.2025 {
  date: '5th and 6th of June';
  speakers: 'One track, 14';
  city: 'Amsterdam, NL';
}

See our line-up

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 have started.

Buy a ticket or see our line-up.

Our 2025 line-up

Chris Coyier: Scope
Miriam Suzanne: Mixins and Functions
Brad Frost: Design Token Architecture
Ana Rodrigues: Refactoring CSS
Adam Argyle: The Ultimate Scroller
John Allsopp: Dao of CSS
Jane Ori: Hacking the Flow
Bramus Van Damme: MC
Ian Frost: Design Token Architecture
... and more to be announced.

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

Rachel Andrew presents at CSS Day 2017 showing a slide that says: 'The more I know about CSS, the more I realise I don't know.