February 26-28, 2025
Montreal, Canada

Understanding CSS Layout: We fear what we don't understand

Have you ever felt perplexed by CSS, struggling to understand why the browser put the element where it did, and why it didn’t just follow the clear instructions you wrote? Do you think CSS is hard to work with?

By getting a better understanding of the concepts that underlie the language, you’ll learn to “see the matrix”. There’s normal flow, stacking context, offset parents… What are these things and how do they impact your design?

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Kilian Valkhof

Polypane

Kilian is a front-end developer with over 20 years of experience that switched from building websites to building apps to build websites with. He is interested in modern web development, desktop app development and new technologies, and regularly speaks about topics like responsive websites, design systems and Electron. Kilian is a frequent open source contributor.

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