Examine source code of Snow

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Snow",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(51, 81, 125, 0.19)",
      "toolbar_text": "rgb(255, 255, 255)",
      "frame": "rgb(171, 234, 234)",
      "tab_background_text": "rgb(255, 255, 255)",
      "toolbar_field": "rgb(255, 255, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(0, 255, 200)",
      "popup": "rgb(237, 255, 251)",
      "popup_text": "rgb(0, 0, 0)",
      "ntp_background": "rgb(0, 13, 65)",
      "ntp_text": "rgb(255, 255, 255)",
      "tab_loading": "rgb(0, 255, 200)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3e5814e6-dd44-47d4-a292-29e7f28fabb6}"
    }
  }
}