Appearance.

This controls the homepage hero background — a solid fill, a single still, a cross-fading gallery, or a translucent wash — plus the frosted “tape” behind the headline. Changes apply on save.

mode

gallery cross-fades a set of frames · image is a single still · default is the solid fill · transparent paints the fill at a chosen opacity.

The background color — solid in default, the backdrop behind image/gallery, and the painted layer in transparent.