Pragmatic guide to Sass 3 : tame the modern style sheet

"Design websites faster than ever using Sass--the most mature and popular CSS meta-language. Code the right way in Sass with short, clear examples of commonly used tasks in an easy-to-follow modular format. This ultimate guide to using Sass, written by its creator, is updated and expanded with all the new features found in Sass 3.4"--Back cover.