black and white vintage cartoon style, skeletal figures dancing in a moonlit graveyard, 1920s Halloween aesthetic, silhouetted skeletons with exaggerated movements, haunting yet playful animation, vintage illustration texture, stark contrasting shadows, skeletal characters with comical proportions, dark surreal background, etched line art style, early animation frame, monochromatic grayscale palette, expressive bone characters doing synchronized dance movements, eerie moonlight, vintage film grain effect, macabre yet whimsical illustration, Disney Silly Symphony inspired artistic rendering, skeletal figures casting long shadows, early 20th-century animation aesthetic