Each detached dwelling unit and combined multiple dwelling complex of dwelling units shall have a compatible architectural theme with variations in design to provide attractiveness to the development, which shall include consideration of landscaping techniques, building orientation to the site and to other structures, topography, natural features, including the waterfront and individual dwelling unit design, such as varying unit widths, staggering unit setbacks, providing different exterior materials, changing rooflines and roof designs, altering building heights and changing types of windows, shutters, doors, porches, colors and vertical or horizontal orientation of the facades, singularly or in combination of each dwelling unit.