# File lib/active_support/vendor/builder-2.1.2/builder/css.rb, line 171 def method_missing(sym, *args, &block) sym = "#{sym}:#{args.shift}" if args.first.kind_of?(Symbol) if block _start_container(sym, args.first) _css_block(block) _unify_block elsif @in_block _indent _css_line(sym, *args) _newline return self else _start_container(sym, args.first, false) _unify_block end self end