synthwave, vaporwave, retrowave, dreamwave cyber background with copy space. blue, yellow and purple glows with blurred neon

1980 80s 90s abstract art backdrop background banner blur brochure color colorful cover creative cyberpunk dark design digital element fashion flyer futuristic glow gradient graphic holographic illustration light magazine modern music mysterious neon night pink poster presentation psychedelic retro retrowave scifi synthwave technology template vaporwave vector violet wallpaper wave webpunk