How I write CSS has changed several times in the last two decades. It made different transitions, especially in the first couple of years, until I found my final form for the longest time. Due to some addition to the language, it changed again recently and will change even more with modern CSS.
In his talk, Manuel goes down memory lane and presents some of the most significant impacts that changed how we write CSS in the past, and he tries to predict future influences. He also explains why his project #100DaysOfMoreOrLessModernCSS was one of his best and worst ideas at the same time.