@for The @for directive repeatedly outputs a set of styles. For each repetition, a counter variable is used to adjust

@while The @while directive takes a SassScript expression and repeatedly outputs the nested styles until the statement

Pattern: *   Definition: The * selector matches the name of any

zip($lists...) Combines several lists into a single multidimensional list. The nth value of the resulting list is a space

Pattern: [attr|=val]   Definition: The [attr|=val] selector matches

Pattern: :disabled   Definition: The :disabled

invert($color) Returns the inverse (negative) of a color. The red, green, and blue values are inverted, while the opacity

keywords($args) Returns the map of named arguments passed to a function or mixin that takes a variable argument list. The

mix($color1, $color2, $weight:50%) Mixes two colors together. Specifically, takes the average of each of the RGB components

green($color) Gets the green component of a color. Calculated from HSL where necessary via