Explore the inner workings of CSS engines in this 42-minute conference talk from CSS Day 2016. Delve into the process of converting CSS code into website layouts, covering topics such as parsing, style computation, cascading, box generation, content measurement, fragmentation, painting, and optimization. Learn about crucial concepts like containing blocks, anonymous boxes, and stacking contexts. Gain insights from speaker Greg Whitworth's expertise and access accompanying slides for a comprehensive understanding of the CSS pipeline from braces to pixels.