Examine source code of Lib Dems

{
  "theme": {
    "images": {
      "theme_frame": "MidLine.png"
    },
    "colors": {
      "frame": "#fcbb2f",
      "tab_background_text": "#fcbb2f"
    }
  },
  "version": "2.0",
  "name": "Lib Dems",
  "manifest_version": 2,
  "description": "Liberal Democrat banner"
}