Examine source code of Comfortable Dark Blue

{
  "manifest_version": 2,
  "version": "1.3",
  "name": "Comfortable Dark Blue",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(59, 66, 82)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(37, 42, 51)",
      "tab_background_text": "rgb(165, 176, 189)",
      "toolbar_field": "rgb(37, 42, 51)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(37, 42, 51)",
      "popup": "rgb(49, 56, 72)",
      "popup_text": "rgb(215, 226, 239)",
      "ntp_background": "rgb(37, 42, 51)",
      "ntp_text": "rgb(223, 223, 223)",
      "toolbar_bottom_separator": "rgb(37, 42, 51)",
      "toolbar_top_separator": "rgb(37, 42, 51)",
      "tab_loading": "rgb(37, 42, 51)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{48b68397-eb35-45fb-ab10-1336927f0d1a}"
    }
  }
}