align heading and definition text
remove reg title from sidebar header
accomodate for extra pixel in header
key-terms as block elements
print stylesheet improvements
Merge remote-tracking branch 'upstream/master'
say goodbye to max-width and fix sub-header border
make the sidebar independently scrollable
accomodate for persistent header in scrollable sidebar
fix internal links to accomodate for header - only works in modern browsers
prevent scrollbar in sidebar from showing when not needed
improve the look of the header on smaller screens
Merge pull request #125 from ascott1/master

CSS Improvements
fix merge conflicts