Filmstrip CSS

Is there a way to increase the padding of the individual filmstrip images as they are too close together both to each other and the main image. In a perfect world I would prefer this style with a lightbox:

https://www.link2home.co.uk/product/wifi-smart-kettle-with-voice-control/

I cannot seem to find anything suitable and am hoping your plugin can do this?

The page I need help with: [log in to see the link]