Examine source code of Bubble Sky

{
  "theme": {
    "images": {
      "theme_frame": "Persona3.1.jpg"
    },
    "colors": {
      "frame": "#8ac29c",
      "tab_background_text": "#061702"
    }
  },
  "version": "2.0",
  "name": "Bubble Sky",
  "manifest_version": 2,
  "description": "Bubble sky over summer parasol"
}