Examine source code of Alphonses Drawing

{
  "theme": {
    "images": {
      "theme_frame": "AlphonseDoodleBanner2.png"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#f7ca03"
    }
  },
  "version": "2.0",
  "name": "Alphonses Drawing",
  "manifest_version": 2,
  "description": "Alphonse Drawings~"
}