acid wave rainbow line backgrounds in 1970s 1960s hippie style. carnival wallpaper patterns retro vintage 70s 60s groove

retro groovy frame rainbow 70s carnival background pattern art illustration vector wavy 60s design graphic psychedelic abstract border card template circle curve layout 1970 poster vintage wallpaper 1960 sun colour fun seventies sixties color geometric print cover wave funky acid drawing backdrop banner hippie swirl liquid modern 70 60