aria.md

Pseudo classes for working with ARIA roles, states and properties.

• ARIA roles spec
• ARIA states and properties spec

:role(tablist) {...}
:aria-expanded {...}
:aria-expanded(false) {...}
:aria-label {...}
:aria-label(foobarbaz) {...}

[role="tablist"] {...}
[aria-expanded="true"] {...}
[aria-expanded="false"] {...}
[aria-label] {...}
[aria-label="foobarbaz"] {...}