Ключевые слова: abstract, arch, art, backdrop, background, black, centered, circles, color, composition, concentric, concentric circles, concentric rings, concentric waves, cool, cross, crosshairs, dark, decor, decoration, design, generated, geometric, geometry, goal, gradient, gray, grey, hue, illustration, metal, metal ring, metallic, monochrome, pattern, ring, round, shiny, silver, silver background, silver metal background, silver metallic, silver metallic background, smooth, stripes, texture, tone, wallpaper, waves,