It is unlawful for any person who is standing or loiteringwithin 100 feet of a Class A, B, B-D7, C, or D retail establishment which sells alcoholic beverages, or within 50 yards of adrug abuse rehabilitation and treatment center, or a structure housing indoor entertainment (as that term is defined in Baltimore City Zoning Code § 1-306(b) {“Entertainment: Indoor”}), The distances specified in this section are to be measured along the street or other public way in both directions from the center of the main entrance, or any other entrance used by the public, of the establishment, center, or arcade. Nothing in this section prevents property owners or their guests from sitting on their front steps or standing on their sidewalk in front of their property, regardless of whether or not the property is within the distances specified in this section. Any person who violates the provisions of this section is guilty of a misdemeanor and, on conviction, is subject to a fine of not more than $500 for each offense. City Code, 1976/83, art. 19, §56 Ord. 70-822 Ord. 71-1070 Ord. 82-701 Ord. 99-439 Ord. 16-581