Nano Banana Pro X Header Image Generation Prompt (21:6 Aspect Ratio)

Social Media

A detailed prompt for Nano Banana Pro to generate an X (Twitter) header image. It uses a 21:6 aspect ratio, which is close to the required dimensions, and defines an invisible safe zone to ensure the main face and a custom title logo (based on user text and a style preset) are visible and centered. It includes options for zooming in on the face. Via YouMind OpenLab prompt library (MIT).

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Nano Banana Pro X Header Image Generation Prompt (21:6 Aspect Ratio)

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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Nano Banana Pro X Header Image Generation Prompt (21:6 Aspect Ratio) | MotionSites