Examine source code of gaussian bubbles

{
  "theme": {
    "images": {
      "theme_frame": "bubble3.jpg"
    },
    "colors": {
      "frame": "#333333",
      "tab_background_text": "#262626"
    }
  },
  "version": "2.0",
  "name": "gaussian bubbles",
  "manifest_version": 2,
  "description": "gaussian blur - yellow to azure"
}