Pattern: :lang   Definition: The :lang pseudo-class

Function Directives It is possible to define your own functions in sass and use them in any value or script context. For example:

opacify($color, $amount) Also known as: fade_in Makes

abs($number) Returns the absolute value of a number.

function_exists($name) Check whether a function with the given name exists.

selector_unify($selector1, $selector2) Unifies two selectors into a single selector that matches only elements matched by

alpha($color) Returns the alpha component (opacity) of a color. This is 1 unless otherwise specified. This

selector_replace($selector, $original, $replacement) Replaces all instances of $original with $replacement

selector_nest($selectors...) Return a new selector with all selectors in $selectors nested beneath one another

:compact Compact style takes up less space than Nested or Expanded. It also draws the focus more to the selectors than to their