Examine source code of Black Arwing

{
  "theme": {
    "images": {
      "theme_frame": "BlackArwing.JPG"
    },
    "colors": {
      "frame": "#030000",
      "tab_background_text": "#ff6200"
    }
  },
  "version": "2.0",
  "name": "Black Arwing",
  "manifest_version": 2,
  "description": "Black Arwing version from Starfox"
}