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How to make this lightbox

Hello,
I am trying to create image galleries, where the lightbox occupies all the visible part, without thumbnails or texts, but I don’t see any option in this regard in webflow.
Something similar to what is my old photo page!
thank you

Here are some images about, an a link to my old web: https://santigili.com/personal
01-10-2020 18-56-34|690x386


Here is my site Read-Only: LINK
(how to share your site Read-Only link)