colorful cheerful curves seamless pattern

60s 70s 80s 90s abstract art background backgrounds birthday blue bright brush carnival celebrate childhood children colorful comic confetti congratulation creative curve design doodle dynamic element elements festive fireworks funky gift green groovy happy irregular kid lines memphis minimalist modern organic paper party pattern patterns pink playful rainbow red repeat scribble seamless spriknle stripe stripes textile texture trail vector vintage wallpaper wrapping yellow zigzag