Ключевые слова: 1, 1st, 2018, 2019, background, beginning, birthday, business, calendar, celebrate, celebration, christmas, concept, daily, date, day, december, design, first, flat, friday, gift, happy, hello, hello december, holiday, icon, illustration, january, labour, month, monthly, new year, number, organizer, plan, reminder, schedule, scheduling, season, seasonal, soon, spring, start, sunday, symbol, text, web, xmas,