[hidden], menu[type=context], rp, source, tracle {display: none;}

article, aside, figure, figcaption, footer, header, hgroup,nav, section, summary {display: block;}

colgroup[hidden], col[hidden], thead[hidden], tbody[hidden], tfoot[hidden], tr[hidden], td[hidden], th[hidden] {visibility:collapse;}

ruby {display: ruby;}

rt {display: ruby-text;}