Ключевые слова: abstract, air, art, black backgrounds, change, chemistry, cigarette, clouds, color, condensation, copy space, curve, dark backgrounds, design elements, effect, energy, environment, environmental, floating, fog, frame, gas, horizontal, isolated, isolated background, light, mist, motion, mystery, pattern, pollution, shape, slimy, smoke, smoke backgrounds, smoky, smooth, soft, spray, steam, steamy, stream, swirl, texture, vapor, wallpaper, wave, white, wind,