Examine source code of Bing Theme by pp4mnk

{
  "name": "Bing Theme",
  "manifest_version": 2,
  "version": "2.0",
  "theme": {
    "images": {
      "theme_frame": "exca451276.png"
    },
    "colors": {
      "frame": "rgba(149, 171, 222, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(10, 18, 36, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{dee1fbfb-ca48-43fb-be76-3d7cf16de99e}"
    }
  }
}