Log Message:
www/ruby-loofah: update to 2.9.0

2.9.0 / 2021-01-14

* Handle CSS functions in a CSS shorthand property (like
  background). [#199, #200]

2.8.0 / 2020-11-25

* Allow CSS properties order, flex-direction, flex-grow, flex-wrap,
  flex-shrink, flex-flow, flex-basis, flex, justify-content, align-self,
  align-items, and align-content. [#197] (Thanks, @miguelperez!)