Update scrolling styles
Updating scrolling functionality
Merge branch 'usability-issues' into cascade-integration
Merge branch 'CSS-tweaks' into cascade-integration
bug fixes
added class for background
AINT NOBODY GOT TIME FOR THAT
updated emergency preview
Slide index fix
Code cleanup
Documentation

Fix
Broken TV inset
Decrease heading height
Refactor stylesheets
Remove brightness
Remove brightness
Remove video opacity
Refactor styles for Firefox
Add webfont to .gitignore
Update CSS for fonts