This design features a colorful banner with the phrase "Happy Birthday" written across it. The banner is composed of triangular flags in various colors such as pink, blue, green, and purple. The flags are arranged in a horizontal line, and the word "Happy" is at the top, while "Birthday" is at the bottom. The banner appears to be a festive decoration, likely used to celebrate a birthday. The text on the banner is clear and legible, making it easy to read. The overall style of the image is simple and cheerful, with a focus on the celebratory message.