[cssom] Oops, I had missed to include cssFloat et al.
[cssom] Editorial fix and WebIDL validation fix
[cssom] Editorial fixes around exceptions
[css-counter-styles] Rename 'width' to 'fill'.  Make a few tweaks to quoting characters.

--HG--
extra : rebase_source : f12a373c052da38aad4190d3ee3a9477b6797d19