Examine source code of BlueAurora

{
  "theme": {
    "images": {
      "theme_frame": "H001.jpg"
    },
    "colors": {
      "frame": "#062666",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "BlueAurora",
  "manifest_version": 2,
  "description": "Aurora - green, teal, orange.  But mostly blue."
}