Examine source code of Cloud Gnostic 2

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Cloud Gnosis 2",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left top",
        "left top"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat",
        "repeat-x"
      ]
    },
    "colors": {
      "toolbar": "rgba(20, 53, 66, 0.8)",
      "toolbar_text": "rgb(152, 152, 152)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(0, 0, 0)",
      "toolbar_field_text": "rgb(255, 255, 255)",
      "tab_line": "rgb(0, 144, 124)",
      "popup": "rgba(20, 53, 66, 0.8)",
      "popup_text": "rgb(152, 152, 152)",
      "tab_loading": "rgb(0, 144, 124)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a3919de1-cf36-42ad-aa6e-7d5ecdda138e}"
    }
  }
}