Automattic/_s — pull request #404 by sdavis2702 (2014-02-10 17:40:49+00:00)
Title: Add media queries to sample layout CSS

The sample layouts only do half of the job. The menu toggle media query
in style.css implies that _s is responsive ready. Adding sample layout
min-width media queries to match the menu media query keeps things
unified and provides completed sample layout CSS.