This test the styling of paragraphs with :nth-child(An+B of selector). If the test succeed, paragraphs that say "green" should have a green background.

White

White

White

Green

White

White

White

Green

White

White

White

Green

White

White

White

Green

White

White

White

Green

White

White

White

Green

White

White

White

Green

White

White

White

Green

White

White

White

Green

White

White

White

Green