Ключевые слова: 1970s, 70s, abstract, art, background, banner, black, board, car, check, checker, checkerboard, chequer, chequerboard, chess, chessboard, circle, circular, dart, decor, decoration, design, effect, geometric, grid, illustration, isolated, line, mosaic, motif, optical, ornament, pattern, perspective, pixel, psychedelic, race, radiating, retro, round, shape, square, template, texture, vintage, white,