The intent of lighting is to ensure that it contributes to the character and safety of the site and its use without disturbing adjacent development. Lighting shall be provided within parking lots and along pedestrian walkways. Lighting fixtures shall be limited to heights of 24 feet for parking lots and 16 feet for pedestrian walkways. All lighting shall be shielded from producing off-site glare, either through exterior shields or through optical design inside the fixture, so that the direction of the light is downward. Light fixtures attached to the exterior of a building shall be designed to be architecturally compatible with the style, materials, colors and details of such building and other lighting fixtures used on the site. Consideration shall also be given to the type of light source utilized and the light quality such produces. Neon facade signs are prohibited. The type of light source used on buildings, signs, parking areas, pedestrian walkways and other areas of a site shall be the same or compatible. The use of low-pressure sodium or mercury vapor lighting either attached to buildings or to light the exterior of buildings shall be prohibited.