Poster Design Improvement Prompt (Meta-Prompt)

Posters

A meta-prompt or instruction set used to refine and improve a poster design generated by an AI (Nano Banana). The goal is to elevate the design quality from a basic PPT level to something comparable to a one-day design class output. The actual prompt text is referenced externally, but the context describes a prompt engineering process. Via YouMind OpenLab prompt library (MIT).

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Poster Design Improvement Prompt (Meta-Prompt)

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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Poster Design Improvement Prompt (Meta-Prompt) | MotionSites