A playful black cat with a mischievous grin, depicted in a whimsical and colorful art style. The artwork exudes a cheerful and lighthearted mood, perfect for Halloween festivities. The cat is surrounded by twinkling stars and a crescent moon, adding a touch of magic to the design. Soft, warm lighting illuminates the scene, creating a cozy ambiance. T-shirt design graphic, vector, contour, white background