Examine source code of Bits of Everything

{
  "name": "Bits of Everything",
  "manifest_version": 2,
  "version": "4.0",
  "theme": {
    "images": {
      "theme_frame": "BOEH6.jpg"
    },
    "colors": {
      "frame": "rgba(207, 184, 144, 1)",
      "tab_background_text": "rgba(0, 0, 0, 1)",
      "toolbar": "rgba(0, 0, 0, 0)",
      "bookmark_text": "rgba(0, 0, 0, 1)",
      "toolbar_field": "rgba(207, 183, 143, 0.07)",
      "toolbar_field_text": "rgba(0, 0, 0, 1)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9d88cc19-10b0-49ef-a00f-e5d1bd1b31b7}"
    }
  }
}