Examine source code of Win7 aero theme

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Windows aero theme",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "left center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(91, 151, 207, 0.16)",
      "toolbar_text": "rgb(243, 246, 252)",
      "frame": "rgb(142, 179, 201)",
      "tab_background_text": "rgb(55, 67, 60)",
      "toolbar_field": "rgba(143, 182, 207, 0)",
      "toolbar_field_text": "rgb(196, 211, 251)",
      "tab_line": "rgb(2, 3, 2)",
      "popup": "rgba(128, 156, 173, 0.83)",
      "popup_text": "rgb(241, 247, 243)",
      "tab_loading": "rgb(2, 3, 2)"
    }
  }
}