This design features a banner with the text "OF THE BIRTHDAY GIRL!" written in a bold, yellow font. The banner is set against a black background, which contrasts with the yellow text, making it stand out. The text is arranged in a horizontal line, with the word "OF" at the beginning, followed by "THE BIRTHDAY" in the middle, and "GIRL!" at the end. The font appears to be sans-serif, which gives it a modern and clean look. The overall design is simple yet striking, likely intended to draw attention to the message it conveys.