Remove the background stripes

Making the design slightly simpler, removing the striped background and
sticking with white as per the wireframes' specification.
Fix font inclusion

Fixed the errors caused by a problem in the font inclusion paths
(css/style.css).
Add Lawnchair

Add Lawnchair 0.6.1. Support for Lawnchair coming soon.
Style commit

This commit includes the styles required for the login page, but no
application logic.