class Rails::HTML::PermitScrubber

def scrub_css_attribute(node)
  if Loofah::HTML5::Scrub.respond_to?(:scrub_css_attribute)
    Loofah::HTML5::Scrub.scrub_css_attribute(node)
  else
    style = node.attributes["style"]
    style.value = Loofah::HTML5::Scrub.scrub_css(style.value) if style
  end
end