On: Help pick a syntax for CSS nesting

[its_bbq]

Tracking and ads scripts aren't special here. Yes page rendering is paid by the browser every time, and this group of people is specifically worried about the CSS part of that process. They're separate concerns and don't need to influence each other design wise

[seba_dos1 → its_bbq]

Also, CSS is often used in other contexts than web browsing as well.

[its_bbq → seba_dos1]

Really? I'm not aware of any except exports of the browser stack like Electron.

[seba_dos1 → its_bbq]

Really, it's ubiquitous. Qt and GTK use it extensively. You don't need HTML at all to use CSS, it translates well to a lot of other things.