Examine source code of arctic blue

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "artic blue",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(34, 70, 91)",
      "toolbar_text": "rgb(106, 188, 255)",
      "frame": "rgb(43, 84, 116)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(30, 33, 40)",
      "toolbar_field_text": "rgb(106, 188, 255)",
      "tab_line": "rgb(170, 209, 226)",
      "popup": "rgb(70, 75, 83)",
      "popup_text": "rgb(106, 188, 255)",
      "tab_loading": "rgb(170, 209, 226)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{00054efe-b95b-4b38-8493-2fcc722f78b8}"
    }
  }
}