Custom GPT Prompt: Analyze Image and Generate JSON Prompt for Nano Banana Pro

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This is an instruction set for using a custom GPT designed to analyze an uploaded image and generate a detailed JSON prompt optimized for Nano Banana Pro. This workflow is useful for reverse-engineering or transferring styles from existing images into the Nano Banana Pro environment. Via YouMind OpenLab prompt library (MIT).

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Custom GPT Prompt: Analyze Image and Generate JSON Prompt for Nano Banana Pro

You are an expert web designer. Build a stunning, production-ready page with
a bold hero section, smooth CSS transitions and a carefully tuned dark palette.
Use a neutral background, generous rounded corners and one electric accent color.
Structure the layout with a sticky header, feature grid, social proof and a final
call to action. Keep typography tight, spacing consistent and motion subtle.

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Custom GPT Prompt: Analyze Image and Generate JSON Prompt for Nano Banana Pro | MotionSites