dark, gothic, floral pattern with intricate s for seamless background. black, mysterious, artistic with

floral dark seamless pattern background design decorative art abstract graphic texture black wallpaper style shape frame nature drawing detail template card creative effect wall element gothic mysterious artistic intricate designs atmosphere ominous foreboding macabre whimsical fantasy nouveau deco vintage retro antique classic elegance sophistication luxury opulence ornamentation embellishment embellished