Unlike content like uploaded images and videos with a fixed height and width, Skykit Feeds are HTML code bundles that will scale to the height and width of your screen or the Collection Layout segment it is placed in.
For example, a Weather Feed playing as a single item in landscape orientation will look like this:

While a Weather feed playing as a single item in portrait orientation will look like this:

Within a Collection, the Feed will scale to the segment it has been placed in like this:

Note: Some layouts are not recommended for use with Skykit Feeds. Learn more here.