ButtonGroup

28 October 2026

Added

• First version: a button group with role="group" and an optional label.
• orientation (horizontal, vertical) and attached (shared borders, logical corners).
• In an attached group the focused button comes to the front.
• The data-component, data-orientation and data-attached attributes.

Changed

• Outer corners are 10 px.
• Focus shows as a 2 px outer focus outline with a 2 px gap (focus-outline).