Examine source code of Abstract Inking

{
  "theme": {
    "images": {
      "theme_frame": "Persona_AbstractInking_H.jpg"
    },
    "colors": {
      "frame": "rgba(229,230,232,1)",
      "tab_background_text": "#000"
    }
  },
  "version": "2.0",
  "name": "Abstract Inking",
  "manifest_version": 2,
  "description": "I took one of my drawings done with black ink on paper, scanned for deviantART (same name in my gallery) in high resolution. I just scaled it up a bit, rotated it, took two interesting bands. Then I toned down the contrast and colorized it. Here it is, readable and nice. ^_^"
}