How to disable picture compression in the preview?

Make a blog. I noticed that if in the control panel to create news in preview when you load the picture, it is greatly reduced in size. Although in css styles I do different resolution. How can you prevent engine arbitrarily change the picture resolution?
July 4th 19 at 22:51
1 answer
July 4th 19 at 22:53
Solution
1. Check the dimensions specified in Settings -> Media in the admin panel.
2. To search the theme files function add_image_size(). Perhaps the size is set programmatically.
3. Find in files themes piece of code that displays a thumbnail of the recording and check the size there. Typically, for the display of the thumbnails is handled by a function the_post_thumbnail().
I noticed that the picture is itself the size of 300 to 150px even though I put in the settings 345 to 175. Strange - Estrella.Jones commented on July 4th 19 at 22:56
:
1. You have completed all the steps?
2. What theme do you use? If any of the directory https://wordpress.org/themes/ might be able to suggest something. - alexandrea_Vandervo commented on July 4th 19 at 22:59

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