grayscale($color) Converts a color to grayscale. This is identical to desaturate(color, 100%).
str_insert($string, $insert, $index) Inserts $insert into $string at $index.
percentage($number) Converts a unitless number to a percentage.
rgb($red, $green, $blue) Creates a Color object from red, green, and blue values.
selector_append($selectors...) Return a new selector with all selectors in $selectors appended one another as
transparentize($color, $amount) Also known as: fade_out Makes
index($list, $value) Returns the position of a value within a list. If the value isn’t found, returns null instead
random random($limit)
ceil($number) Rounds a number up to the next whole number.
red($color) Gets the red component of a color. Calculated from HSL where necessary via
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