background: linear-gradient(to right,
  #4C69A2, /* Xerneas - image_0.png */
  #A4101B, /* Yveltal - image_1.png */
  #353535, /* Zygarde - image_2.png */
  #F5E9D0, /* Dusk Mane Necrozma */
  #B2DAE2, /* Dawn Wings Necrozma */
  #FFF79F, /* Ultra Necrozma */
  #FF6A01, /* Solgaleo */
  #6B30C9, /* Lunala */
  #DA1B22, /* Primal Groudon */
  #3A16A9, /* Primal Kyogre */
  #1F8464, /* Mega Rayquaza */
  #E7935D  /* Deoxys */
  #D3B6B9, /* Magearna */
  #F6D035, /* Zeraora */
  #4A4B56, /* Marshadow */
  #CC2121, /* Incineroar */
  #155C41, /* Decidueye */
  #54B3D4  /* Primarina */
);