Accordion: Nesting

These are nested accordions.

• A title with aria-expanded="true" has a blue border.
• A title with aria-selected="true" has a red border.
• An open item should have both borders.
• Manipulating one accordion shouldn't affect the other.

• Accordion 1

  Base Accordion

  • Accordion 1
    Nested Accordion
  • Accordion 1
    Nested Accordion
• Accordion 1

  Base Accordion