This uses the native <details> and <summary> elements, which provide built-in keyboard and screen reader support.
The content area expands and collapses without custom JavaScript.
Example 1: Single expand/collapse
What is this widget?
Example 2: Multiple independent panels
Shipping information
Standard shipping takes 3–5 business days. Expedited options may be available at checkout.
Return policy
Returns are accepted within 30 days in original condition. Some items may be excluded; see the policy page for details.
Contact support
Email: support@example.com
Phone: +1 (555) 123-4567