/usr/share/chef-server-api/public/stylesheets/ is in chef-server-api 10.12.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/chef-server-api/public/stylesheets/base.css
/usr/share/chef-server-api/public/stylesheets/chef.css
/usr/share/chef-server-api/public/stylesheets/themes/
/usr/share/chef-server-api/public/stylesheets/themes/bec/
/usr/share/chef-server-api/public/stylesheets/themes/bec-green/
/usr/share/chef-server-api/public/stylesheets/themes/bec-green/style.css
/usr/share/chef-server-api/public/stylesheets/themes/bec/style.css
/usr/share/chef-server-api/public/stylesheets/themes/blue/
/usr/share/chef-server-api/public/stylesheets/themes/blue/style.css
/usr/share/chef-server-api/public/stylesheets/themes/default/
/usr/share/chef-server-api/public/stylesheets/themes/default/style.css
/usr/share/chef-server-api/public/stylesheets/themes/djime-cerulean/
/usr/share/chef-server-api/public/stylesheets/themes/djime-cerulean/style.css
/usr/share/chef-server-api/public/stylesheets/themes/kathleene/
/usr/share/chef-server-api/public/stylesheets/themes/kathleene/style.css
/usr/share/chef-server-api/public/stylesheets/themes/orange/
/usr/share/chef-server-api/public/stylesheets/themes/orange/style.css
/usr/share/chef-server-api/public/stylesheets/themes/reidb-greenish/
/usr/share/chef-server-api/public/stylesheets/themes/reidb-greenish/style.css