Hope is a beautiful GTK3 by grvrulz who worked on original Hope GTK theme by 0rAX0.
The theme has been updated recently with many new features:
- Rebuilt Shell theme for 3.2
- Dark sidebar for nautilus
- Prettier gradient for toolbar
- New notebook styles
- Better toolbar separators
- More compact grid in shell overview
- Removed ugly resize grip
- Recommended font PT Sans included
- Extract it.
- Copy the `Hope` folder to ~/.themes.
- Copy the folder 'ptsans' to ~/.fonts.
- Open gnome-tweak-tool.
- Choose Hope as your theme, Window theme and gnome-shell theme in the appropriate sections.