gtk-theme-breath
GTK theme forked from breeze-gtk to match the colors of Plasma 5 maia theme
GTK2 theme made by scionicspectre, and colors changed too.
The dark theme is not ported. And won't be installed.
Requirements
- GTK+ 3.16
- Pixmap/Pixbuf theme engine for GTK 2
Install instructions
If your distribution doesn't provide a package, you can install the theme system-wide by copying it to the appropriate directory, usually "/usr/share/themes".
find Breath-gtk -type f -exec install -Dm644 '{}' "$pkgdir/usr/share/themes/{}" \;
To install only for the current user, copy the files to "~/.themes".
To set the theme in Plasma 5, install kde-gtk-config and use System Settings > Application Style > GNOME Application Style. Also make sure to disable "apply colors to non-Qt applications" in System Settings > Colors > Options.