anything that acts as a horizontal line across the entire width of the content area can act as a scroll block.
N'ụzọ bụ isi, ihe ọ bụla nke na-eme dị ka eriri dị larịị gafee obosara nke mpaghara ahụ nwere ike ịrụ ọrụ dịka ngọngọ mpịakọta.