N07: red behind this text = inline background

N08: box around this = inline border

N09: box around this paragraph = block border

N10: red block; does the red extend 20px beyond the text?

N11: indented 100px = margin-left (yellow background)

N12: this link has no underline = text-decoration none / normal link

n13: this sentence is uppercase = text-transform

N14: wide letters = letter-spacing

N15: line-height 3: these wrapped lines should be far apart if the rule is applied, which this long sentence will show.

N16: IF YOU CAN READ THIS, display:none was ignored

N16 marker (always visible)

N17: yellow box, right side

N17: this text should flow to the left of the yellow box if float works, filling the line beside it.

N18: big red N = first-letter

N26: vw font size (normal size = ignored)

N28: red/yellow tiles behind this = background-image