Examine source code of IT Life

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "IT Life",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "1.png"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "right center"
      ],
      "additional_backgrounds_tiling": [
        "no-repeat"
      ]
    },
    "colors": {
      "frame": "rgba(69, 160, 211, 1)",
      "tab_background_text": "rgba(255, 255, 255, 1)",
      "toolbar": "rgba(255, 255, 255, 0)",
      "bookmark_text": "rgba(255, 255, 255, 1)",
      "toolbar_field": "rgba(255, 255, 255, 1)",
      "toolbar_field_text": "rgba(255, 255, 255, 1)",
      "icons": "rgb(255, 255, 255)",
      "tab_line": "rgba(255, 255, 255, 1)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b0b9f715-f8ac-480f-a7b0-4161b5507d3b}"
    }
  }
}