LESS and CSS preprocessing

One of the major questions that is always raised when developers work with large and complex projects that require many frontend rules via CSS, is: how will I work my code in a sustainable, scalable, and modular way?

The preprocessing in CSS, although not a silver bullet for all issues, promotes the writing of reusable and maintainable CSS codes, increasing productivity and reducing the amount of coding in the project, thereby achieving a better performance.

In Magento 1.9, the solution used for CSS compilation was the SASS (Syntactically Awesome Style Sheets) technology (http://sass-lang.com/). The SASS is a CSS extension that implements additional features for use in their projects, such as variables, mixins, inline imports, and so on. For Magento 2, there is a project that still uses the SASS technology, and this project is maintained on GitHub at https://github.com/SnowdogApps/magento2-theme-blank-sass .

In order to follow the natural evolution of CSS technology...