Ключевые слова: 3d, agenda, app, appointment, art, background, blue, business, button, calendar, cancel, circle, close, concept, contour, cross, date, day, delete, design, diary, element, event, flat, graphic, icon, illustration, isolated, isometric, line, linear, lineart, mobile, month, object, office, outline, page, paper, pictogram, plan, reminder, remove, schedule, sign, symbol, time, web, white,