map_keys($map) Returns a list of all keys in a map.

to_upper_case($string) Converts a string to upper case.

Referencing Parent Selectors: & Sometimes it’s useful to use a nested rule’s parent selector in other ways than the default

min($numbers...) Finds the minimum of several numbers. This function takes any number of arguments.

Pattern: :empty   Definition: The :empty pseudo-class

random random($limit)

Pattern: [attr~=val]   Definition:   The 

scale_color($color, [$red], [$green], [$blue], [$saturation], [$lightness], [$alpha]) Fluidly scales one or more properties

map_get($map, $key) Returns the value in a map associated with the given key. If the map doesn’t have such a key, returns

@import Sass extends the CSS @import rule to allow it to import SCSS and Sass files. All imported SCSS and Sass files