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Ohnoes look what you did you broke teh site!!!!

CSS Day

.css-day.2027 {
  date: '3rd and 4th of June, 2027';
  location: 'Amsterdam - NL';
}

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In honour of CSS Naked Day this page does not have any CSS

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.

The 2026 videos (on Conffab), photos and group photos have been published.

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.

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Our 2026 line-up

The twelfth edition ran on 11th and 12th of June 2026.

Lyra Rebane: CSS crimes
Bruce Lawson: MC
Ana Rodrigues: MC
Eric Meyer: Offset paths and SVG
Bramus Van Damme: View Transitions
Adam Argyle: All the ways CSS adapts
Josh Tumath: Accessible text size
Kevin Powell: CSS is eating JavaScript
Sara Joy: Color-Scheming
Manuel Matuzović: Breaking with habits
Niels Leenheer: CSS Doom Laser
Lea Verou: What the Color?!
Jelle Raaijmakers: Value processing
Patrick Brosset: Fun with grid lanes
Jake Archibald: Selects
Una Kravets: Modern UI Patterns

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.