FE: Update template headings and titles
FE: Move JS templates to the bottom of `body`
FE CSS: Tweak margins
FE: Add basic print styles
FE: Refactor forms
FE: Refactor conditional subfields
FE CSS: Reduce specificity of inputs
FE CSS: Clean up styles
FE: Remove redundant styles
FE: IE fixes
FE: Document Element macros