Ключевые слова: 4, anniversary, balloon, balloons, birthday, bright, bunch, card, celebrate, celebrating, celebration, color, colorful, colour, colourful, concept, congratulation, contrast, decor, decoration, digit, entertainment, festive, four, fun, gift, group, holiday, idea, invitation, isolated, joy, jubilee, many, minimal, number, party, pink, present, red, romantic, round, sign, sphere, toy, white background, yellow,