CSS Day

.css-day.2026 {
  date: '11th and 12th of June, 2026';
  location: 'Amsterdam - NL';
}

The CSS conference returns! On 11th and 12th of June 2026 we'll run our twelfth edition with fourteen speakers. Ticket sales are open.

Our 2026 line-up

More speakers will be announced in due time.

You trust us, right?

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.