Examine source code of Alien Giger Style

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "Alien Giger Style",
  "theme": {
    "images": {
      "additional_backgrounds": [
        "images/0.jpg"
      ]
    },
    "properties": {
      "additional_backgrounds_alignment": [
        "center center"
      ],
      "additional_backgrounds_tiling": [
        "repeat"
      ]
    },
    "colors": {
      "toolbar": "rgba(7, 26, 31, 0)",
      "toolbar_text": "rgb(200, 231, 240)",
      "frame": "rgb(10, 34, 40)",
      "tab_background_text": "rgb(122, 165, 176)",
      "toolbar_field": "rgb(13, 44, 51)",
      "toolbar_field_text": "rgb(123, 127, 204)",
      "tab_line": "rgb(22, 152, 208)",
      "popup": "rgb(11, 33, 38)",
      "popup_text": "rgb(205, 232, 240)",
      "button_background_active": "rgb(12, 42, 49)",
      "button_background_hover": "rgb(20, 74, 86)",
      "frame_inactive": "rgb(6, 20, 23)",
      "icons_attention": "rgb(138, 211, 255)",
      "icons": "rgb(200, 231, 240)",
      "ntp_background": "rgb(11, 34, 40)",
      "ntp_text": "rgb(165, 208, 222)",
      "popup_border": "rgb(14, 48, 56)",
      "popup_highlight_text": "rgb(216, 247, 255)",
      "popup_highlight": "rgb(23, 72, 85)",
      "sidebar_border": "rgb(12, 37, 42)",
      "sidebar_highlight_text": "rgb(212, 244, 255)",
      "sidebar_highlight": "rgb(26, 78, 90)",
      "sidebar_text": "rgb(183, 214, 224)",
      "tab_loading": "rgb(22, 152, 208)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{7d5db266-d8ba-47c7-95cb-7490fb49a81e}"
    }
  }
}