Examine source code of polabare

{
  "theme": {
    "images": {
      "theme_frame": "polabare.jpg"
    },
    "colors": {
      "frame": "#a0c8e8",
      "tab_background_text": "#187fd9"
    }
  },
  "version": "2.0",
  "name": "polabare",
  "manifest_version": 2,
  "description": "the great white"
}