Examine source code of Royal Skulls

{
  "theme": {
    "images": {
      "theme_frame": "persona_test_1.jpg"
    },
    "colors": {
      "frame": "#a600ff",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Royal Skulls",
  "manifest_version": 2,
  "description": "I always disliked it when someone said this is my first attempt, that being said ... This is my first attempt and more of a trial run then anything, the begining of the learning curve if I may. I hope to be creating works of art that may bring some joy to someone"
}