Underscores is a great WordPress starter theme. This forked version is to combine it with Sass, the Susy grid system, and Breakpoint.
Install Sass, Susy, Breakpoint, Bundler, and Compass before downloading this theme.
Thanks to the people who contribute and made _s a wonderful theme! Also thanks to this great _s Sass base and the folks who made Susy, Breakpoint, Compass, and the other wonderful tools needed for this project.