body {
  background-image: url('/images/background/autumn/1.jpg'),
    url('/images/background/autumn/2.jpg'),
    url('/images/background/autumn/3.jpg'),
    url('/images/background/autumn/4.jpg'),
    url('/images/background/autumn/shima-abedinzade-Pa55Qmy_JwY-unsplash .jpg'),
    url('/images/background/autumn/shino-nakamura-F3bICqMyekk-unsplash.jpg');
}