For total box widths, will the internal element (e.g. picture) will resize as I adjust padding? Or does the total value change?

Answer 1

Visual and interactive comparison between margin and padding:

https://code.sololearn.com/W6qLHyeVSHaI/?ref=app

Answer 2

if u increase margin of the box then the area outside the box will change..
if you increase the padding of the box then the area inside the box will be affected..

Answer 3

see the css part
https://code.sololearn.com/WjM6Roq5YY1x/?ref=app

Answer 4

Thank you for a quick response!

Answer 5

Thank you as well!