Ключевые слова: 20, 20th, adult, age, anniversary, background, birth, birthday, birthday card, birthday greeting card, birthday party, card, celebrate, celebration, color, colorful, congratulations, cute, day, decade, decoration, design, element, festive, font, fun, funky, geometric, geometry, greeting card, happy, happy birthday, happy birthday card, illustration, invitation, number, party, pop, poster, retro, shape, text, twentieth, twenty, typography, unisex, vibrant, year, young adult,