/usr/share/themes/CyanicAmbiance/index.theme is in edubuntu-artwork 15.12.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | [Desktop Entry]
Type=X-GNOME-Metatheme
Name=CyanicAmbiance
Comment=Edubuntu Cyanic Surf Ambiance theme
Encoding=UTF-8
[X-GNOME-Metatheme]
GtkTheme=CyanicAmbiance
MetacityTheme=CyanicAmbiance
IconTheme=ubuntu-mono-dark
CursorTheme=DMZ-White
ButtonLayout=close,minimize,maximize:
|