You can click on the Google or Yahoo buttons to sign-in with these identity providers,
or you just type your identity uri and click on the little login button.
SASS is a language that compiles into CSS, high-level functionnality available (nested rules, variables, mixins, etc)
note that bootstrap (used by Orbui) also comes with its own css framework
Link #2532764 - latest update on 2012/12/05, created on 2012/12/05 by Arthur Lutz