Prompt code:
A charming, vintage-inspired illustration featuring a flat color, retro-styled black cat wearing a fun Halloween hat. The cat sits comfortably atop a crescent moon, surrounded by whimsical decorative flowers in a similar color palette. The background is a stunning black void, accentuating the vibrant colors of the cat, hat, and flowers. The overall atmosphere of the artwork is playful and nostalgic, perfect for Halloween.
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