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that body :nth-child has driven me bonkers for about 2 hours because of the spacing. -_-
You could also have used p:nth-child
Why is that when it's the child of the body, not the child of a paragraph?
p:nth-child(4) selects the 4th element of any parent, and "executes" the css code of the 4th element is a paragraph. That is why the space in
body :nth-child(4) is so crucial, this will select the 4th element inside of body