Use columns for paginated toc on larger screens
Center paginated h1's
Use greater max-width on toc page
Write part about b, strong, i and em
Write up part about html headings and paragraphs
Spell check
Make sure example result is consistant with example code
Rewrite lists sections in common html elements chapter
Rewrite tables section in common html elements chapter
Add todo note for definition lists dd, dt etc
Correct usage of roman numerals
Writeup first draft of semantic elements chapter, and add some todo notes for still missing parts
Rebuild