Examine source code of Art Sketches

{
  "theme": {
    "images": {
      "theme_frame": "ArtPersonaTest2.jpg"
    },
    "colors": {
      "frame": "#575757",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Art Sketches",
  "manifest_version": 2,
  "description": "A bunch of sketches put together with a cute footer. I made this because there are really no good persona's that use sketches or sketchbooks, so I made this one for personal use but figured others might want to use it as well."
}