Examine source code of Pen and Ink

{
  "theme": {
    "images": {
      "theme_frame": "BlackandWhite.jpg"
    },
    "colors": {
      "frame": "#fcf800",
      "tab_background_text": "#e8d2ba"
    }
  },
  "version": "2.0",
  "name": "Pen and Ink",
  "manifest_version": 2,
  "description": "Black, White, Pen, Ink, Fractal, Draw, Colorless, Dark, Light, Emotional."
}