The gtk2-engines package contains shared objects and configuration files that implement a number of GTK+ theme engines. Theme engines provide different looks for GTK+, some of which resemble other toolkits or operating systems.
acquired package info from repodata DB: repodata/f0b2606f1dc0294014b17bb8ea9231f0129611b4c9610b9db40f82da2b1f63da-primary.sqlite.bz2