Examine source code of Narango

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Narango",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/bg-002-609370e89a219e0548ac5ef6b4a7dd2e.svg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "top"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(249, 236, 220)",
      "toolbar_text": "rgb(227, 118, 35)",
      "frame": "rgb(236, 140, 65)",
      "tab_background_text": "rgb(108, 51, 8)",
      "toolbar_field": "rgba(255, 255, 255, 0)",
      "toolbar_field_text": "rgb(172, 56, 1)",
      "tab_line": "rgb(253, 124, 73)",
      "popup": "rgb(251, 143, 58)",
      "popup_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(253, 124, 73)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{2f45dd59-0cf6-438b-9345-22afd85a5f4f}"
    }
  }
}