Examine source code of Cat - gato

{
  "theme": {
    "images": {
      "theme_frame": "header.png"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Cat - gato",
  "manifest_version": 2,
  "description": "Cat \n\nYou liked this theme see other themes that I did you will love. Access the link below.\nLink:<a rel=\"nofollow\" href=\"https://addons.mozilla.org/pt-BR/firefox/user/leandro_CE/?src=addon-detail\">https://addons.mozilla.org/pt-BR/firefox/user/leandro_CE/?src=addon-detail</a>\n\nGato fofinho.\n\nGostou desse tema veja outros temas que eu fiz você vai adorar. Acessem o link a baixo.\nLink:<a rel=\"nofollow\" href=\"https://addons.mozilla.org/pt-BR/firefox/user/leandro_CE/?src=addon-detail\">https://addons.mozilla.org/pt-BR/firefox/user/leandro_CE/?src=addon-detail</a>"
}