Examine source code of key west

{
  "theme": {
    "images": {
      "theme_frame": "mozilla.JPG"
    },
    "colors": {
      "frame": "#f76605",
      "tab_background_text": "#0f0202"
    }
  },
  "version": "2.0",
  "name": "key west",
  "manifest_version": 2
}