/usr/share/themes/Lubuntu-default/index.theme is in lubuntu-artwork 0.45.
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 13 14 15 16 17 18 19 20 | # Default theme for Lubuntu by The Lubuntu Artwork Team
# (Rafael Laguna and and Alexander Andjelkovic)
# Based on Radiance. GPL2 / Open Source licensed
#
# More info at: https://launchpad.net/~lubuntu-art
[Desktop Entry]
Name=Lubuntu
Type=X-GNOME-Metatheme
Comment=Default theme for Lubuntu
Encoding=UTF-8
[X-GNOME-Metatheme]
GtkTheme=Lubuntu
IconTheme=Lubuntu
CursorTheme=DMZ-Black
CursorSize=24
NotificationTheme=ubuntu
MetacityTheme=Box-default
ButtonLayout=close,minimize,maximize:
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