Minor style changes
	Added a media query, height to min-height, etc.
Changed <hr> to <br> above comments
Merge branch 'master' of http://github.com/OkayHughes/RailsDisc

Conflicts:
	app/views/posts/_post.html.erb
Merge branch 'master' of http://github.com/OkayHughes/RailsDisc

Conflicts:
	app/views/posts/_post.html.erb