fn width_and_height_are_auto<LengthPercent>(
width: &GenericLengthPercentageOrAuto<LengthPercent>,
height: &GenericLengthPercentageOrAuto<LengthPercent>,
) -> boolfn width_and_height_are_auto<LengthPercent>(
width: &GenericLengthPercentageOrAuto<LengthPercent>,
height: &GenericLengthPercentageOrAuto<LengthPercent>,
) -> bool