Can anyone help me to understand that how this image hover effect is working without having variant

Can anyone help me to understand that how this image hover effect is working without having variant.
https://www.figma.com/file/qCJlIONzcjx6FfMwsGGhb8/FS-West-India-R%26R-Program?type=design&node-id=173%3A2998&mode=design&t=cdZKhGWnhL8dUZlp-1

Your file contains instances of the “Product-Tile” component, the component set of which is located in another file. All interactions between variants are configured exactly in that component set from the remote file. Open that file if you have access to study in more detail.