Examine source code of The G-man

{
  "theme": {
    "images": {
      "theme_frame": "btm.jpg"
    },
    "colors": {
      "frame": "#ff6600",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "The G-man",
  "manifest_version": 2,
  "description": "Just What I came up with. I made another one but this one is way better and is the one I submitted. Based off the game Half-Life I hope all fans of the game will get elated every time this persona pops up in their browser."
}