# File lib/nokogiri/xml/node.rb, line 131 def css *rules # Pop off our custom function handler if it exists handler = ![ Hash, String, Symbol ].include?(rules.last.class) ? rules.pop : nil ns = rules.last.is_a?(Hash) ? rules.pop : {} rules = rules.map { |rule| CSS.xpath_for(rule, :prefix => ".//") }.flatten.uniq + [ns, handler].compact xpath(*rules) end