In directory "Tools":
- slide-1024.css: black-on-white text, blue headings
- w3ctalk-1024.css: white-on-blue text, yellow headings
- w3ctalk-all.css: for viewing/editing the "all.htm" file
- w3ctalk-proj.css: for "all.htm" in "projection" mode
- w3ctalk-print.css: for printing the "all.htm" file
(Files named "640" and "800" are for old, low-res screens; don't use
them)