A red variation of Horst3180's Arc Theme.
If you like the theme you can buy me a cup of coffe:
This version has a reduced color range, is mostly gray and red. I developed this version especially for all those who use linux on a Thinkpad.
If your have Gnome > 3.14, download the theme from Github and do a manual installation following the istructions on the page.
Gnome/GTK 3.14, 3.16, 3.18 or 3.20
The gnome-themes-standard package
The murrine engine. This has different names depending on your distro.
gtk-engine-murrine (Arch Linux)
gtk2-engines-murrine (Debian, Ubuntu, elementary OS)
Main distributions that meet these requirements are
Arch Linux and Arch Linux based distros
Ubuntu 15.04, 15.10 and 16.04 (Ubuntu 14.04 and 14.10 are not supported)
elementary OS Freya
Debian 8, Testing or Unstable
Fedora 21 - 24
openSUSE 13.2, Leap 42.1 and Tumbleweed
Derivatives of these distributions should work, as well.
If your distribution isn't listed, please check the requirements yourself.