The following is a listing of all the selectors in the various style sheets. This list reflects the default distro and is current for Drupal 5.2.
/modules/system/admin.css
Concerns primarily the elements unique to the administration interface.
/modules/aggregator/aggregator.css
Relates to the Aggregator Module.
/modules/block/block.css
Relates to the formatting of Blocks.
/modules/book/book.css
/modules/color/color.css
/modules/comment/comment.css
A single selector relevant to Comments.
/modules/system/default.css
Provides basic HTML style definitions common to many areas in the system.
/misc/farbtastic/farbtastic.css
Relates to the Farbtastic color picker.
/modules/forum/forum.css
/modules/help/help.css
/modules/locale/locale.css
One selector for the Locale Module.
/misc/maintenance.css
Relates to the Maintenance page.
/modules/node/node.css
Provides selectors for the Nodes.
/modules/poll/poll.css
/modules/search/search.css
Styling for the various Search functions.
/modules/system/system.css
A collection of common styles.
/modules/tracker/tracker.css
Selectors for the Tracker Module.
/modules/user/user.css
Relates to the User and Profile Modules.
/modules/watchdog/watchdog.css