Merge pull request #145 from theresaanna/master

Effective date, icons
basic close button implementation
Merge branch 'master' of github.com:eregs/regulations-site
heading hierarchy in supplement section
increase font size in inline interps
merge conflicts
increase padding on inline interps
close button at bottom of TOC
definition sidebar link color correction
Merge pull request #149 from ascott1/master

TOC close button and supplement type hierarchy
massive active section rework commit
fix merge conflicts