READ CAREFULLY BEFORE SUBMITTING

This list is for avoiding duplicated issues, if your issue isn't listed, you should remove this and continue.

The theme doesn't work in a distribution that have a GTK+ 3 version lower than 3.14.
- Arc only supports versions since 3.14, you should update to latest versions.
The theme is broken after a major GTK+ 3 update (i.e. 3.18 to 3.20 or 3.20 to 3.22).
- Update the package or install from sources.
The theme is broken after installing from sources.
- Possibly a bug on GTK+ 3 version checking, use --with-gnome=<version> flag with ./autogen.sh.
Theme isn't transparent on GNOME applications without CSD (i.e. Ubuntu's applications).
- Transparency isn't supported for non-CSD applications.
Theme doesn't build from AUR in Arch/Manjaro and others.
- Ensure you have the base-devel group installed.

Ensure you...

Really read the list above and checked if your issue is or not duplicated.
Really read the README and there is nothing about your issue.
Really checked if the theme is installed or built specifically for the GTK+ 3/distribution version you're using.

Distribution (with version): ubuntu 16.04.
- Base distribution (if have, with version):
Desktop environment (with version): unity
Arc version/commit (don't put "latest"):
GTK+ 3 version: 3.18.9
- Murrine engine version:
- gnome-themes-standard version:
Installation method (package or source):

andreisergiu98 / arc-flatabulous-theme