class Asciidoctor::SyntaxHighlighter::PygmentsAdapter

def format node, lang, opts
  if opts[:css_mode] != :class && (@style = (style = opts[:style]) && (style_available? style) || DEFAULT_STYLE) &&
      (pre_style_attr_val = base_style @style)
    opts[:transform] = proc {|pre| pre['style'] = pre_style_attr_val }
  end
  super
end