Examine source code of Scrat animated

{
  "theme": {
    "images": {
      "theme_frame": "Scrat-ani.png"
    },
    "colors": {
      "frame": "#dedada",
      "tab_background_text": "#141414"
    }
  },
  "version": "2.0",
  "name": "Scrat animated",
  "manifest_version": 2,
  "description": "Scrat mit Eichel-Augen animiert"
}