display: rubyThe display: ruby CSS declaration renders an element with the box layout of a <ruby> HTML element. Child elements may use equivalents to <ruby> internal elements such as display: ruby-base for <rb>.cssCSSlimitedhttps://drafts.csswg.org/css-display-3/#layout-specific-displayhttps://developer.mozilla.org/docs/Web/CSS/Reference/Properties/displaycss.properties.display.rubycss.properties.display.ruby-basecss.properties.display.ruby-base-containercss.properties.display.ruby-textcss.properties.display.ruby-text-containercss.properties.ruby-position.alternatehttps://nowyoucanuse.com/features--display-ruby.html