Examine source code of Javascript Developer

{
  "theme": {
    "images": {
      "theme_frame": "bg_done.png"
    },
    "colors": {
      "frame": "#c9c9c9",
      "tab_background_text": "#1c1c1c"
    }
  },
  "version": "2.0",
  "name": "Javascript Developer",
  "manifest_version": 2,
  "description": "This is a persona for all JS Developer"
}