def fmt(self, fills):
name = '<STR_LIT>'.join('<STR_LIT>'.join(p).strip() for p in self.parsed)<EOL>name = re.sub('<STR_LIT>', '<STR_LIT>', name) % fills<EOL>return name.replace('<STR_LIT>', fills['<STR_LIT>']).replace('<STR_LIT:U+0020>', '<STR_LIT:U+0020>')<EOL>
Format identifier
        args:
            fills (dict): replacements
        returns:
            str (CSS)