Examine source code of Snow flashes

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Snow flashes",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgb(255, 252, 126)",
      "toolbar_text": "rgb(76, 65, 59)",
      "frame": "rgb(167, 153, 149)",
      "tab_background_text": "rgb(73, 73, 73)",
      "toolbar_field": "rgb(250, 229, 255)",
      "toolbar_field_text": "rgb(0, 0, 0)",
      "tab_line": "rgb(255, 119, 159)",
      "popup": "rgb(232, 247, 255)",
      "popup_text": "rgb(76, 65, 59)",
      "tab_loading": "rgb(255, 119, 159)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bbc100db-46c1-4108-8ee9-f2556b714233}"
    }
  }
}