Masterpiece Standard Theme – always extra large img in post and page

[my add]

Hi! I have a problem!
When I add an img in a post or page, The image always seems extra large :( also I set miniature… look this http://www.floragarden.it/2016/10/primo-post-di-prova.html

Do u have this problem? Please help me please! Thank you ^_^

[Templatesyard]

It’s automatically adjustable with the size of the blog layout.

[my add]

No it’s impossibile :( when I select “miniature “thumbail”, in the publish the image is extra large :(

[Author]

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