This richly colored and lively illustration features a prehistoric, dinosaur-themed birthday greeting. The scene is teeming with playful dinosaurs celebrating, with a “Happy Birthday” message showcased in the sky above them. The letters are written in large, bold, three-dimensional styles with a party balloon texture, surrounded by confetti and balloons. The foreground includes cartoonish dinosaurs with friendly expressions, wearing party hats, blowing party horns, and sharing a birthday cake. The background features a lush Jurassic landscape with rolling green hills, exotic plants, and a vivid blue sky. A volcano gently erupts in the distance, and some dinosaurs fly with the aid of party balloons. The illustration is highly detailed, rendered in a digital painting style, and has an aspect ratio of 18:11.