Today, at long last, I have completed Saylor Academy’s PRDV251: HTML and CSS for Beginners course (CC BY 3.0 wrapper, comprising both open and closed resources).
The course requires some light hacking; in particular, figuring out how to use a text editor and browser to create a cohesive website from local files is largely up to the student, but there is no shortage of help available from the Web. In any case, I regard this friction as a good thing, driving learning and retention.
Rather than take notes in an outline format for this course, which is my wont, I decided to create a website that would serve as both sandbox and documentation for what I learned. The result, written in a series of lightweight text editors and published via Google Drive is this: