A page card that is large enough shows the page itself, and the text stays in sync with the page. This video enlarges a card for the Moonlight Bazaar and switches Allow embed off and on.
Steps
Select a page card.
Drag a corner to make it larger.
The card shows the page.
Click the pencil to edit the card.
Turn off Allow embed for a plain card.
Turn it on to show the page again.
