Examine source code of Color fight

{
  "theme": {
    "images": {
      "theme_frame": "Layer2.jpg"
    },
    "colors": {
      "frame": "#48b5a3",
      "tab_background_text": "#b0b0b0"
    }
  },
  "version": "2.0",
  "name": "Color fight",
  "manifest_version": 2,
  "description": "Color fight"
}