Examples below wrap each widget in a container with class "example". The content container controlled by the button uses the class "details".
Meta information
This is a simple expand/collapse region. It is hidden from assistive technologies when collapsed and revealed when expanded. The button controls this panel via aria-controls and aria-expanded.
Article excerpt
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Integer nec odio. Praesent libero. Sed cursus ante dapibus diam.
Sed nisi. Nulla quis sem at nibh elementum imperdiet. Duis sagittis ipsum. Praesent mauris. Fusce nec tellus sed augue semper porta.