You didn't explain anything wrong with GTK. You just brought up Electron out of ...

nothankyou777 · 2025-08-15T19:06:48 1755284808

Electron is bringing an entire web browser in to provide a cross-platform user interface. GTK has become almost a web browser to provide a cross-platform user interface. That is why I started off with

> CSS classes

To spell it out, I think it is all excessive.

tristan957 · 2025-08-16T04:09:45 1755317385

I don't think you know enough about GTK if you think having a CSS parser is bloat in a UI toolkit versus a whole theming engine.

nothankyou777 · 2025-08-16T05:10:21 1755321021

Their CSS implementation is broader than what most actual browsers had 10 years ago. I would not have commented if I weren't already painfully familiar.

https://docs.gtk.org/gtk3/css-overview.html

It even has a DOM inspector window:

https://askubuntu.com/questions/597259/how-do-i-open-gtk-ins...