This page demonstrates an expand/collapse widget. Each widget is wrapped in a div with the class "example". The content that is shown/hidden is contained in a div with the class "details".
This is an example of an expandable widget. The content is placed inside a container with the class "details".
Q: What is this widget?
A: A simple expand/collapse example using a details-like container.
Q: How do I use it?
A: Click the button to reveal or hide the content.
Here is some extra information that can be revealed on demand. This demonstrates the flexibility of the widget structure.