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-position

13. css property: ruby-position: alternate