GTK+: GTK+ 3.20 to Feature Massive CSS Changes, Port Most Widgets to CSS Nodes

The GTK+ developers have announced their plans for GTK+ 3.20, the next major release of the open-source and cross-platform GUI (Graphical User Interface) toolkit used in numerous software projects and GNU/Linux operating systems. One of the biggest changes to be seen in GIMP 3.20, which will be distributed as part of the GNOME 3.20 desktop environment, due for release on March 23, 2016, is the implementation of numerous CSS (Cascading Style Sheets) features. Matthias Cla...