Examine source code of rainbow girls

{
  "theme": {
    "images": {
      "theme_frame": "r.jpg"
    },
    "colors": {
      "frame": "#f5ebeb",
      "tab_background_text": "#f0e8e8"
    }
  },
  "version": "2.0",
  "name": "rainbow girls",
  "manifest_version": 2,
  "description": "Rainbow girls dancing :X"
}