Examine source code of Bubbles_in_Darkness

{
  "theme": {
    "images": {
      "theme_frame": "003xU.jpg"
    },
    "colors": {
      "frame": "#fff8ba",
      "tab_background_text": "#fff8ba"
    }
  },
  "version": "2.0",
  "name": "Bubbles_in_Darkness",
  "manifest_version": 2,
  "description": "Light_bubbles"
}