horizontal geometric banner. stylish abstract retro background. soft pastel colors. grainy texture effect.

abstract backdrop background banner black book brand brush card color colorful colors corporate creative cubism decor decorative design drawn effect fabric flat geometric geometry gradation grain grainy graphic hand hipster horizontal illustration llanding magazine memphis minimal modern modernism mosaic pastel pattern pointillism polygon poster print printing retro rounds soft squarestriangles style stylish suprematism template textile texture trend triangle triangular vector vintage wallpaper