Examine source code of Dragon in Flight

{
  "theme": {
    "images": {
      "theme_frame": "dpersona1.jpg"
    },
    "colors": {
      "frame": "#c2c2c2",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Dragon in Flight",
  "manifest_version": 2,
  "description": "With an alpaca! I wish I could show a higher-res image, but that's all I can fit into 300kb."
}