Ключевые слова: 3d, abstract, art, background, bright, celsius, christmas, cloud, cold, color, colorful, concept, contour, curve, decoration, design, element, fahrenheit, gradient, graphic, green, holiday, hot, icon, illustration, instrument, isolated, isometric, line, linear, lineart, measurement, medical, meteorology, nature, outline, rainbow, scale, season, sign, sky, snow, snowflake, spectrum, symbol, temperature, thermometer, weather, winter,