lrn2webdev.md

1. HTML/DOM tree structure (nodes, elements, parent/child)
2. Roots and the document root
3. Anatomy of a document
4. CSS selectors and specifity
5. Cascade order
6. Block model -> blocks don't belong into inlines and how the block model layout works (block direction, inline direction)
7. Other display models and how there's an inner and outer display mode
8. Overlaps (earlier HTML draws on top of later html, child is above parent)
9. non-static positioning
10. Semantics
11. HTML resource processing (top of the doc to bottom, for all things, including CSS and JS!)
12. JS event loop
13. JS objects
14. JS protoypes
15. Iterators
16. Callbacks/Promises/async