black, dark cats and pumpkins jack-o-lantern as abstract background, wallpaper, banner, texture with pattern - . dark

background abstract halloween design wallpaper modern texture light line vector minimal pattern banner graphic blue template geometric backdrop empty white presentation art business shape technology concept gradient futuristic element bright wave dynamic cover elegant curve surface digital creative color style stripes decorative minimalist network pumpkin pumpkins black cat dark cats jack-o-lantern vector modern colors