In the [002-change-modifier](https://bem-site.github.io/bem-js-tutorial/pure.bundles/002-change-modifier/002-change-modifier.html) ([BEMJSON](https://github.com/bem ...

SASS CSS on its own can be fun, but stylesheets are getting larger, more complex, and harder to maintain. Sass is a CSS pre-processor with syntax advancements. Stylesheets in the advanced syntax are ...