Yosemite is a Mac OSX like theme for GTK 3, GTK 2 and Gnome-Shell which supports GTK 3 and GTK 2 based desktop environments like Gnome, Pantheon, XFCE, Mate, etc.

This theme is based on Arc gtk theme of horst3180. Thanks horst3180 sincerely for his great job! horst3180 - Arc gtk theme: https://github.com/horst3180/Arc-theme

• GTK2 engine Murrine 0.98.1.1 or later.
• GTK2 pixbuf engine or the gtk(2)-engines package.

Fedora/RedHat distros:

yum install gtk-murrine-engine gtk2-engines

Ubuntu/Mint/Debian distros:

sudo apt-get install gtk2-engines-murrine gtk2-engines-pixbuf

ArchLinux:

pacman -S gtk-engine-murrine gtk-engines

Other: Search for the engines in your distributions repository or install the engines from source.

Open the terminal at current directory.

Run

    ./Install

When running the installer script in ubuntu16.04 or later, if you had this error:

XMLLINT not set and xmllint not found in path; skipping xml preprocessing.

To fix it you have to install libxml2-utils

sudo apt install libxml2-utils

When running the installer script in Fedora 24 or later, you need to install 'glib2-devel'.

sudo dnf install glib2-devel