accessibility
- @media (hover), @media (any-hover)
- @media (prefers-color-scheme)
- @media (prefers-reduced-motion)
- :active
- :focus
- :hover
- aria-describedby attribute
- aria-hidden attribute
- aria-label attribute
- aria-labelledby attribute
- aria-live attribute
- hidden attribute
- lang attribute
- <picture> element
- role attribute
i18n
- block-size & inline-size
- border-inline & border-block individual logical properties
- border-inline & border-block longhand properties
- border-inline & border-block
- direction
- list-style-type
- margin-block-start & margin-block-end
- margin-inline & margin-block
- margin-inline-start & margin-inline-end
- padding-block-start & padding-block-end
- padding-inline & padding-block
- padding-inline-start & padding-inline-end
- lang()
- text-decoration-line
- text-decoration-skip-ink
- text-emphasis-position
- text-emphasis
- text-underline-offset
- text-underline-position
- writing-mode
- <bdi> element
- dir attribute
- lang attribute
- <rp> element
- <rt> element
- <ruby> element