There are plenty of nice themes available for Gnome desktop and many of them are in active development. Stylish theme pack is one of the great looking pack around since 2014 and constantly evolving. It offers stylish clean and flat design themes for Gtk-3 and Gtk-2, including Gnome shell themes. Stylish theme pack is based Materia theme and support almost every desktop environment such as Gnome, Cinnamon, Mate, Xfce, Mate, Budgie, Panteon, etc.
We are offering Stylish themes via our PPA for Ubuntu/Linux Mint. If you are using distribution other than Ubuntu/Linux Mint then download this pack directly from its page and install it in this location "~/.themes" or "/usr/share/themes". Since Stylish theme pack is in active development that means if you encounter any kind of bug or issue with it then report it to get fixed in the next update.

Stylish Stylish theme
Stylish Stylish theme

Available for Ubuntu 18.04 Bionic/18.10/and other Ubuntu based distributions
To install Stylish GTK themes in Ubuntu/Linux Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:


That's it
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