Ключевые слова: 20, 2021, air, background, balloon, bright, calendar, card, carnival, celebrated, celebration, christmas, colors, decoration, design, event, festive, flying, foil, fun, glistering, glossy, gold, happy, helium, holiday, inflatable, inflate, invitation, isolated, letter, luxury, new, new year, number, numeral, party, postcard, shiny, signs, sparkle, symbol, time, year, yellow, zero,