colorful painting of large wave. retro surf posters and pop art from the 1960s and 1970s.

retro vintage wallpaper background design pattern colorful oldfashioned classic abstract template illustration poster shape wave painting 1960s 1970s pop art surf beach summer vibes tropical movement energy swirl graphic creative cover layout banner trendy minimal style print concept backdrop texture geometric color magazine inspiration composition 70s aesthetic 60s decor ai generated