lumen-foundation-apps/docs/panel/fixed-panel.md

'React port of foundation-apps'

```html
<Trigger open="fixed-panel">
  <a className="button">Fixed Panel</a>
</Trigger>
<Panel id="fixed-panel" className="panel-fixed">
  <Trigger close="">
    <a className="close-button">&times;</a>
  </Trigger>
  <p>Fixed Panel content</p>
</Panel>
```