Examine source code of Joes Starry Night

{
  "theme": {
    "images": {
      "theme_frame": "ff_joe_starrynight.jpg"
    },
    "colors": {
      "frame": "#faf18e",
      "tab_background_text": "#e6c20c"
    }
  },
  "version": "2.0",
  "name": "Joes Starry Night",
  "manifest_version": 2,
  "description": "Prom night dreams of a young girl staring up at a starry night sky"
}