abstract background with bokeh defocused lights and shadow from cityscape at night, vintage or retro color tone

background abstract pink colourful light bright highcoloured decoration design blurry bokeh texture celebration gradient festive shine blurred pattern sparkle vibrant holiday glistering orange event soft focus glowing manycoloured defocused art purple night colours effect party smooth magical glow aesthetic blue joyful fantasy beautiful dreamy visual realistic lights shadow cityscape vintage retro color tone backgroundsoft blur background vector sun sparkling glittering festival white template