ruby{vertical-align:bottom;text-align:center}ruby>rt{font-size:0.6em;text-align:center}rp{display:none}body.firefox
ruby{display:inline-table;vertical-align:middle}body.firefox ruby>rt{display:table-header-group}body.ie8 ruby
rtc{display:ruby-text;border:solid 1px black}body#tinymce.mceContentBody ruby>rt{color:#21759B}