1. css property: display: ruby

  2. css property: display: ruby-base

  3. css property: display: ruby-base-container

  4. css property: display: ruby-text

  5. css property: display: ruby-text-container

  6. css property: font-variant-east-asian: ruby

  7. css property: ruby-align

  8. css property: ruby-align: center

  9. css property: ruby-align: space-around

  10. css property: ruby-align: space-between

  11. css property: ruby-align: start

  12. css property: ruby-overhang

  13. css property: ruby-overhang: auto

  14. css property: ruby-overhang: none

  15. css property: ruby-position

  16. css property: ruby-position: alternate

  17. css property: ruby-position: inter-character

  18. css property: ruby-position: over

  19. css property: ruby-position: under