This design features a graphic with the text "Happy Birthday" prominently displayed. The text is arranged in a rectangular format, with "Happy" at the top, "Birthday" in the middle, and "Twenty One" at the bottom. The word "Happy" is larger than the other words, making it the focal point of the image. The text is written in a casual, cursive font, giving it a friendly and celebratory feel. The background of the image is plain white, which contrasts with the black text, making it easy to read. The overall design is simple yet festive, suitable for a birthday celebration.