Ключевые слова: abstract, background, badge, ban, blue, clean, communication, danger, design, entry, forbid, glossy, indication, information, light, mark, milky way, night, night sky, no, no sign, no symbol, notice, prevent, prohibited, protection, public, reflection, risk, safety, shadow, shiny, sign, sky, space, star, starlight, starry, stars, stop, symbol, template, warning, white,