Additional text size atomic classes

#59

Content box header fix

#58

Atomic classes (spacing, text) sizes updates, & various fixes

#55

Modal, ContentBox, Tabs, class privacy & body / container variables

#51
#52
#53
#54

Input (checkbox / radio) & button fixes

#44

Fix large columns

#49

Table components

#42

Restrict textarea resizing

#39

Fix textarea styling in form groups

#38

Input, select, and textarea styling / errors

#37