set of holographic gradient background. abstract retro furistic cover set. 90s, 80s style for brochure, banner, flyers

color gradient fluid holographic background modern cover liquid design vector minimalist pastel colorful geometric wallpaper style summer cute spectrum frame media social hologram trendy neon graphic pattern template 90s 80s bright cosmic light multicolor blur holography vintage art set abstract shiny mesh wave flyer futuristic trend poster circle party stylish