vintage backgrounds from the 1970s, retro colors, stripes patterns. retro positive graphic 70s phrase, 70 vintage style happy mess

1960s 1970 1970s 1980s 60s 70s 80s abstract art artwork background banner circle classic color colorful concept cover creative curve decoration design effect eighties element futuristic geometric graphic illustration layout line lines modern palette path pattern poster print retro seventies shape simple style texture trendy vector vintage wall wallpaper wave