Visibility & State Utilities
Utilities for responsive visibility, state helpers, and “UI primitives” like border width, radius, and shadow.
Class groups
Section titled “Class groups”- Border width:
af-border,af-border-0 - Radius:
af-radius-* - Shadow:
af-shadow-* - State helpers:
af-is-*,af-has-* - Visibility:
af-hidden*,af-show*
Screen reader utilities (af-sr-only, af-sr-only-focusable) are documented in Screen Reader Utilities.
For border colors, see Color Utilities.