Vimix is a flat Material Design theme for GTK 3, GTK 2 and Gnome-Shell which supports GTK 3 and GTK 2 based desktop environments like Gnome, Unity, Budgie, Pantheon, XFCE, Mate, etc.

This theme is based on Flat-Plat gtk theme of nana-4. Thanks nana-4 sincerely for his great job!

Flat-Plat gtk theme: https://github.com/nana-4/Flat-Plat

You can download from here: https://github.com/vinceliuice/vimix-gtk-themes/releases

###GTK+ 3.20 or later.

###GTK2 engines requirment

• 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

./Vimix-installer.sh

Or double-click to open that script files and select "run at the terminal" at nautilus.

When running the installer script in ubuntu16.04, 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