Examine source code of blue sky w.

{
  "theme": {
    "images": {
      "theme_frame": "blusky.jpg"
    },
    "colors": {
      "frame": "#001678",
      "tab_background_text": "#001678"
    }
  },
  "version": "2.0",
  "name": "blue sky w.",
  "manifest_version": 2,
  "description": "blue sky"
}