Examine source code of ubuntu flames

{
  "theme": {
    "images": {
      "theme_frame": "000007.png"
    },
    "colors": {
      "frame": "#0a0000",
      "tab_background_text": "#e37f1c"
    }
  },
  "version": "2.0",
  "name": "ubuntu flames",
  "manifest_version": 2,
  "description": "the ubuntu is hot!"
}