# File lib/merb-assets/assets_mixin.rb, line 400 def include_required_css(options = {}) return '' if @required_css.nil? || @required_css.empty? @required_css.map do |req_css| if req_css.last.is_a?(Hash) css_include_tag(*(req_css[0..-2] + [options.merge(req_css.last)])) else css_include_tag(*(req_css + [options])) end end.join end