Margin is part of a block on a web page or is it just the space between the blocks?

Whether the margin of the block on the web page or block consists of content, padding and border, and it's just the space between the blocks? I'm very new at this sorry) thanks in Advance!
April 7th 20 at 10:47
2 answers
April 7th 20 at 10:49
Solution
April 7th 20 at 10:51
It seems to be is not

Find more questions by tags Layout