Welcome to the Treehouse Community
The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.
Dean Wagman21,591 Points
.scss files beginning with an underscore function similar to include files in other languages and are called partials. They can be used to separate a certain block of styling that you can import into other files. They being in Underscores so at compile time 'sass compile, compass compile', the compiler knows not to convert those files into css files.
It looks like you've completed a lot of lessons in a short amount of time. Might I suggest taking time to fully understand what is going on in the lessons, and play around with the tools.
Also, look up some blog posts and discussions on the technology to get different viewpoints and explanations if something didn't click. Documentation is your best friend. http://sass-lang.com/guide