6 - Sass variables

The most straightforward way to use SassScript is to use variables. Variables begin with dollar signs, and are set like CSS properties

http://sass-lang.com/documentation/file.SASS_REFERENCE.html#variables_

Maps represent an association between keys and values, where keys are used to look up values. They make it easy to collect values into named groups and access those groups dynamically. They have no direct parallel in CSS, although they're syntactically similar to media query expressions:

http://sass-lang.com/documentation/file.SASS_REFERENCE.html#maps

Sass variables helps to define patterns in the project. They are the core of this project. Most of this variables are define in maps and can be call using a function link to this map.