Examine source code of Deer ani

{
  "theme": {
    "images": {
      "theme_frame": "deeranimation.png"
    },
    "colors": {
      "frame": "#a9fa9e",
      "tab_background_text": "#a3f4f7"
    }
  },
  "version": "2.0",
  "name": "Deer ani",
  "manifest_version": 2,
  "description": "animated"
}