How Wordpress display the thumbnails square shaped?

There is a problem - all the thumbnails have to be exactly square and placed in 3 columns. But how to do that if the images have different sizes?
Here is an example 28f98a3f100a465ba4c666a1caa9bb7f.png
July 9th 19 at 12:59
1 answer
July 9th 19 at 13:01
Solution
well, this is css , very simple :
1) specify a static width and height of images
2) and to remove border-radius from img and/or the block in which lies the img (there can still be overflow:hidden;)

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