Examine source code of Dark CInnamoroll

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Dark CInnamoroll",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right bottom"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(25, 44, 57)",
      "toolbar_text": "rgb(91, 197, 237)",
      "frame": "rgb(5, 24, 37)",
      "tab_background_text": "rgb(91, 197, 237)",
      "toolbar_field": "rgb(8, 43, 72)",
      "toolbar_field_text": "rgb(91, 197, 237)",
      "tab_line": "rgb(46, 85, 100)",
      "popup": "rgb(25, 44, 57)",
      "popup_text": "rgb(91, 197, 237)",
      "tab_loading": "rgb(46, 85, 100)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9f3fbf97-f3cc-4e09-9b88-f773447343ab}"
    }
  }
}