Examine source code of Anime background

{
  "theme": {
    "images": {
      "theme_frame": "Animebackground.jpg"
    },
    "colors": {
      "frame": "#d4ca13",
      "tab_background_text": "#b53dff"
    }
  },
  "version": "2.0",
  "name": "Anime background",
  "manifest_version": 2,
  "description": "Is it good? First one I've made :D"
}