Move header/footer CSS to new file
Move CSS includes to includes.php
More CSS splitting
Get rid of show-title-pr, use smarter CSS instead
Get rid of show-title-ch, completely redundant
Include new CSS files
Rename category CSS class to channel-badge, more descriptive
Move show-titles CSS around, refactor
Rename channel-badge channel-label

I'd forgotten we have channel badges as well, which are something
entirely different
Tidy up CSS

- spacify
- lower-case colours
- !important before semi-colons
Lingering show-title refactoring
Minify padding CSS
Move channel header heights to separate selector
Be less specific with individual channel colour selectors
Put back specificity- turns out it was important
Selectors wrong on channel header
channel-other changes

- eliminate need for channel-other on channel pages
- create other-channels selector
- move CSS out of style attributes
Move channel-banner to show CSS
Eliminate redundant #channels h1 selector
Rename #channels h1 small