unique_id Returns a unique CSS identifier. The identifier is returned as an unquoted string. The identifier returned is only

append($list, $val, $separator:auto) Appends a single value onto the end of a list. Unless

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

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

random random($limit)

ceil($number) Rounds a number up to the next whole number.

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

map_values($map) Returns a list of all values in a map. This list may include duplicate values, if multiple keys have the

lightness($color) Returns the lightness component of a color. See

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