ruby > rt,
ruby > rtc {
font-variant-east-asian: ruby;
font-size: 85%;
}
ruby.large {
font-size: 250%;
}
ruby.larger {
font-size: 300%;
}
ruby.large > rt,
ruby.large > rtc {
font-size: .3em;
}
ruby.larger > rt,
ruby.larger > rtc {
font-size: .25em;
}