Examine source code of SNS Snow

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "SNS Snow",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg",
        "images/1.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center",
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "repeat",
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(132, 146, 180, 0.39)",
      "toolbar_text": "rgba(16, 31, 113, 0.73)",
      "frame": "rgb(255, 255, 255)",
      "tab_background_text": "rgb(8, 29, 132)",
      "toolbar_field": "rgba(255, 255, 255, 0.27)",
      "toolbar_field_text": "rgb(34, 60, 176)",
      "tab_line": "rgba(26, 41, 135, 0.76)",
      "popup": "rgb(189, 207, 242)",
      "popup_text": "rgba(6, 16, 78, 0.85)",
      "icons_attention": "rgb(54, 141, 255)",
      "tab_loading": "rgba(26, 41, 135, 0.76)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f514273a-2283-4469-a61e-ae6ffd4cf5c5}"
    }
  }
}