Examine source code of Jiji Sleeping_animated

{
  "name": "Jiji Sleeping animated",
  "manifest_version": 2,
  "version": "1.0",
  "theme": {
    "images": {
      "theme_frame": "jiji-4.gif"
    },
    "colors": {
      "frame": "rgba(175, 167, 213, 1)",
      "tab_background_text": "rgba(233, 213, 250, 0.7)",
      "toolbar": "rgba(104, 99, 125, 1)",
      "bookmark_text": "rgba(233, 213, 250, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{14fec706-616f-4d86-be92-e56f0eddbf59}"
    }
  }
}