Can the calc () of CSS3 achieve equal-scale display of pictures on the mobile side?

such as the title.
looked up some information, which is usually done with the background, and set the width and degree.
1. Can the picture be displayed in equal proportion on all mobile ends with varying width and height?
2.calc () Mobile browser compatibility

May.22,2021

refer to css object-fit: scale-down
https://developer.mozilla.org.

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