CSS Day returns! This annual CSS community conference brings specifiers, implementors, teachers, and authors together to discuss the current state of CSS, upcoming features, and cool demos.
On 11th and 12th of June 2026 we'll run our twelfth edition with fourteen speakers. Ticket sales are open.
Our 2026 line-up
- Una Kravets
: Modern UI Patterns - Josh Tumath
: Accessible text size - Lyra Rebane
: CSS crimes - Manuel Matuzović
: Breaking with habits - Niels Leenheer
: CSS Doom Laser - Jelle Raaijmakers
: Value processing - Bruce Lawson
: MC - Patrick Brosset
: Fun with the Web - Sara Joy
: Canny colour scheming - Kevin Powell
: Who needs JavaScript? - Adam Argyle
: All the ways CSS adapts - Lea Verou
: What the Color?! - Ana Rodrigues
: MC
More speakers will be announced in due time.
From our extensive correspondence with literally none of you we know that you all have pressing life questions such as "How many of my CSS heroes will I meet at CSS Day?" and "How many flamethrowers will they aim at me from stage?"
The answers are lots and probably none, respectively.
You trust us, right? I mean, we're very protective of our target audience.
