An overlay allows an asset to be emphasized by rendering it on top of the rest of the site contents while also screening out the area around the asset. Video playback, image expansion, PDF, and HTML package are rendered in an overlay with Zoomforth.


Design customization for overlay assets can be done using CSS classes.

To add CSS class for an overlay asset on an image expansion:

  1. Click the image to be rendered in overlay or expansion;

  2. Click Action;

  3. Select Expand Image;

  4. Under the CSS Classes section, add the CSS class to be used with the overlay asset. overlay asset.

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