Examine source code of Cool blue green

{
  "theme": {
    "images": {
      "theme_frame": "Untitled-12.jpg"
    },
    "colors": {
      "frame": "#fbffeb",
      "tab_background_text": "#cccccc"
    }
  },
  "version": "2.0",
  "name": "Cool blue green",
  "manifest_version": 2,
  "description": "fave colors"
}