<https://s.mj.run/T32D-kaLqqg> A colorful cartoon featuring a submarine and joyful people swims out of a rectangular frame :5. It is surrounded by floating marine creatures, books :3, and rulers in an illustrative style with detailed background elements :4, rendered in soft shades of pink, blue, green, and yellow, highlighted with bold lines and flat shadows for high contrast --ar 9:16  --iw 2 --sref <https://s.mj.run/ZQm4vy8oJEg>