Adding a mouse over image

Hi There,

I really like the look of this theme.. Thank you!
Just wondering, when using the latest Post Frontpage, is there anyway to add a mouseover image together with the Post title and excerpt showing when hovering over the feature image? Please see
https://www.ahgongsbrood.com/

… something like what this plugin does on this sample page
https://www.ahgongsbrood.com/sample-page/

Thank you!

Regards,
Sherry