not correct creation of photo gallery

First of all many thanks for your WP theme.
As you see in the following page https://www.officinaresine.it/?page_id=62
i’ve created a photo gallery of my works but there are many problems:
1. The photos appear in a different order than i’ve created;
2. There are less photos than i’ve putted in the gallery;
3. There are problems about the dimension of the photos compared with the screen of the computer (also problems to visualize correctly the text of the photo and the scroll bar on the right doesn’t help).
In the previous theme the gallery works well. I’ve also tried to cancel the gallery and recreate but without results.

Let me know. Thanks a lot.

Andrea