Congratulations! You completed your first Sass StyleSheet and learned some powerful new concepts:
1. Nesting is the process of placing child selectors and properties in the scope of a parent selector. This allows a programmer to draw DOM relationships and avoid repetition.
2. Variables make it easy to update code and reference values by allowing you to assign an identifier to a value.
3. Sass Data Types include:
Nesting and variables are just two ways that Sass keeps stylesheets clean. In the next unit, you’ll learn about other Sass constructs that serve the same purpose.