. abstract geometric background. halftone black with gold bordering. grainy texture effect. colorful modern pattern.

abstract architecture backdrop background black book bordering brand brush building business card city color colorful corporate creative cubism dark decor decorative design effect electricity energy fabric flat geometric geometry glass gold goldblue golden gradation grain grainy graphic halftone hand hipster illustration magazine memphis minimal modern modernism mosaic office outline panel pattern photovoltaic pointillism polygon power printing reflection renewable rounds sky skyscraper solar squarestriangles technology template texture tile vector wall window