Eelementaryish theme is GTK theme, It is specially designed to use with Gnome Classic and Unity. It looks like Mac theme. If you want to install Mac theme check here.
Elementaryish Theme
Elementaryish Dark-Panel Theme
Install Malys-UniBlue Icons or Check icons collection
Also Download Black Wallpapers
You can use Gnome-tweak-tool or Ubuntu-Tweak to change themes.
To install Elementaryish Jelly Beans theme on Ubuntu/Mint open Terminal (Press Ctrl+Alt+T) and copy the following commands in the Terminal:
That's it, Enjoy
- sudo add-apt-repository ppa:noobslab/themes
- sudo apt-get update
- sudo apt-get install elementaryish
Source: Elementaryish
