50s 60s 70s style circles dynamic seamless pattern brown abstraction

curves 70s faded visual 50s 60s energetic circles wavy repeat dot dynamic 1960s form gradient trendy 1950s artwork colour oldfashioned stylish textured round fifties graphic half sixties tone 1970s halftone aesthetic motion striking oval seventies wallpaper work retro vintage art abstract seamless design style vector decorative pattern background brown illustration