modern, trendy , hand-drawn 70s groovy script lettering - stay green think blue. typography

ecology lettering 1970s 60s isolated print ocean recycle modern environment type natural seventies style letter card template element sixties sea fashion life decoration positive happy set love calligraphy trendy 1960s vector design text green eco retro poster background 70s nature bio graphic vintage typography sticker leaf plant icon organic hand-drawn groovy script stay think blue theme environmental protection sustainable consumption