Colorful cartoon-style illustration of two classic animated characters: a cheerful brown mouse standing on one foot, reaching up with a big smile to high-five a large blue cat. The cat has bright green eyes, a wide open happy mouth, raised paw, and expressive whiskers. Both characters are joyful and full of energy. The mouse has large pink ears and shiny white belly. The cat has pink inner ears, smooth blue fur, and large white paws. Background is a clean soft beige tone. The artwork uses glossy shading, bold outlines, smooth gradients, and vibrant colors. Vertical mobile wallpaper composition with clean space and high-resolution cartoon detailing