apt install gtk2-engines-murrine gtk2-engines-pixbufgit clone https://github.com/vinceliuice/vimix-gtk-themes.gitcd vimix-gtk-themes && Install
ends in: "Done."
git clone https://github.com/vinceliuice/vimix-icon-theme.gitcd vimix-icon-theme && Installer.sh
And follow the installation wizard (ends in: "Done!")