How to fix zoom issues on home page with a line of code?

Hi hope you are well,

I have a zoom issue on my home page,

The images should display like this regardless of zoom:

I think it can be solved in one line of code, that I will put in in the custom content section that has this:

Please let me know what to put in. I checked the inspector and the padding boxes have different values in them between the two pages, so please let me know.

Best regards,
T