This prompt can generate a modern beautiful wallpaper based on any Keyword. The only limit is your imagination. Write the prompt and insert your preferred Keyword so Midjourney can use its imagination to give your desired result.

background with soft blue shapes, minimalistic design with simple shapes, elegant and modern style, white space, high resolution digital art, abstract style, light and airy feel with transparent layers, minimalist aesthetic with a harmonious color palette. --ar 16:9