CSS Day is the annual CSS community conference that brings specifiers, implementors, teachers, and authors together to discuss the current state of CSS, upcoming features, and cool demos.
On 3rd and 4th of June 2027 we'll run our thirteenth edition. Do you want to talk about CSS in real life, and not just online? Make friends, not followers? Then come. You'll love it.
Want to buy 2027 tickets on the 2026 budget? Let us know.
Our 2026 line-up
The twelfth edition ran on 11th and 12th of June 2026.
The videos (on Conffab), photos and group photos have been published.
- Lea Verou
: What the Color?! - Kevin Powell
: CSS is eating JavaScript - Bruce Lawson
: MC - Una Kravets
: Modern UI Patterns - Adam Argyle
: All the ways CSS adapts - Lyra Rebane
: CSS crimes - Jake Archibald
: Selects - Eric Meyer
: Offset paths and SVG - Patrick Brosset
: Fun with grid lanes - Manuel Matuzović
: Breaking with habits - Bramus Van Damme
: View Transitions - Niels Leenheer
: CSS Doom Laser - Josh Tumath
: Accessible text size - Sara Joy
: Color-Scheming - Ana Rodrigues
: MC - Jelle Raaijmakers
: Value processing









