Header and css tweak

Moved 2nd row of header temporarily.  Reduced font size for select
elements
Reverted Header change, Tweaked core section

Reverted previous header change and changed the styling and layout of
some of the core stat fields such as AC, Speed and the initiative
bonus/macro
Layout changes to RP and proficiency sections

Tidied and tweaked the style/layout for the RP section (background,
traits, racial, ideals, etc...) and the previously moved proficiency
section