Examine source code of Gruvbox Dark Blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Gruvbox Blue",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(40, 40, 40)",
      "toolbar_text": "rgb(235, 219, 178)",
      "frame": "rgb(29, 32, 33)",
      "tab_background_text": "rgb(168, 153, 132)",
      "toolbar_field": "rgb(60, 56, 54)",
      "toolbar_field_text": "rgb(235, 219, 178)",
      "tab_line": "rgb(69, 133, 136)",
      "popup": "rgb(29, 32, 33)",
      "popup_text": "rgb(235, 219, 178)",
      "tab_loading": "rgb(69, 133, 136)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{99380d3b-d13c-456a-aa69-cc371b9d6275}"
    }
  }
}