Examine source code of Ubuntu Dark Orange

{
  "theme": {
    "images": {
      "theme_frame": "Head.jpg"
    },
    "colors": {
      "frame": "#9e9696",
      "tab_background_text": "#ebe2e2"
    }
  },
  "version": "2.0",
  "name": "Ubuntu Dark Orange",
  "manifest_version": 2,
  "description": "For the ones who are using Ubuntu and the Ubuntu Human Theme isn't working for them."
}