Pattern: [attr$=substring]   Definition: The [attr$=substring] selector

unitless($number) Returns whether a number has units.

selector_parse($selector) Parses a user-provided selector into a list of lists of strings as returned by &

@extend There are often cases when designing a page when one class should have all the styles of another class, as well as its

complement($color) Returns the complement of a color. This is identical to adjust-hue(color, 180deg).

list_separator($list) Returns the separator of a list. If the list doesn’t have a separator due to having fewer than two

saturate($color, $amount) Makes a color more saturated. Takes a color and a number between 0% and 100%, and returns a color

Parentheses Parentheses can be used to affect the order of operations: p

mixin_exists($name) Check whether a mixin with the given name exists.

unit($number) Returns the unit(s) associated with a number. Complex units are sorted in alphabetical order by numerator and