Create a gallery box block with the latest WordPress Gutenberg, optional lightbox for image preview, LightBox, Gallery Speed, Thumbnail and other options.
The backend for the Gallery Box plugin offers the possibility to upload images and display selected images in the backend. It also provides a checkbox for activating/deactivating the Overlay to Images option.
Example-Demo for the Plugin Gosign – Gallery Box Block. If you move the mouse over the images, the overlay appears.