Update app/views/root/styleguide.html.erb

changing h3s to h2s - wrong styling
Update app/views/root/mainstream.html.erb

removing formats bit.
Update app/views/root/inside-government.html.erb

final check
Update app/views/root/detailed-guides.html.erb

final tweaks
Update app/views/root/whats-new.html.erb

NEEDS INTERNAL LINKS SORTING
Update app/views/root/accessible-pdfs.html.erb

all h3s to h2s
Update app/views/root/whats-new.html.erb

adding proper link code
Update app/views/root/detailed-guides.html.erb

adding Inside Government content types link
Fix broken HTML