In other words, if the only reason you're putting an element in that place is to attach CSS style properties, you should not use a section element.
N'ikwu ya n'ụzọ ọzọ, ọ bụrụ na naanị ihe mere ị na-etinye ihe na ebe ahụ bụ itinye CSS ụdị àgwà, ịkwesịrị iji mpaghara Nkeji.