Added lazy loading of variables.
Lazy loaded variables reformulated.
Minor change, layout looked weird.
Semicolon as mixins parameter. Multiple mixins with the same name and
number of parameters.
Semicolon as mixins parameter - changed comma into semicolon in examples.
More details about nested & combinator.
Removing previous commit, found advanced usage of & chapter.
Interpolation inside escaped variables.
Media Queries as Variables
Slight reformulation.
The Keyword !important.
Add 1.4.0 information. Add data-uri function