(a) Every person parking a vehicle in any public parking facility shall park wholly within the area of one (1) individual parking space as marked out by painted lines, curbs or otherwise.
(b) No person shall park a vehicle in a designated parking space by backing said vehicle into the parking space when said space is within an area posted by front in only signs.
(c) It shall be the duty of all persons to observe the sign markings and other traffic and parking control devices and regulations when using a public parking facility. (1978 L.M.C., ch. 7, § 2.)