Ключевые слова: 2021, abstraction, background, blocks, calendar, calendar 2021, christmas, concept, cube, day, decoration, design, error, font, future, gloomy, graphics, happy, holiday, icon, isolated, message, natural, nature, new, new year, next, number, outdoor, planning, sap board, sea, season, shape, sign, sky, summer, symbol, text, time, tourism, travel, trip, tropical, vacation, white, wooden, written, year, year2021,