Examine source code of Ubuntu-Unity Grey

{
  "theme": {
    "images": {
      "theme_frame": "UbuntuPersonaTop.png"
    },
    "colors": {
      "frame": "#f47421",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Ubuntu-Unity Grey",
  "manifest_version": 2,
  "description": "A theme that matches Unity's color scheme."
}