Examine source code of from Chrome

{
  "manifest_version": 2,
  "version": "1.0.1",
  "name": "from Chrome",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(255, 255, 255)",
      "toolbar_text": "rgb(71, 71, 71)",
      "frame": "rgb(211, 227, 253)",
      "tab_background_text": "rgb(71, 71, 71)",
      "toolbar_field": "rgb(225, 230, 237)",
      "toolbar_field_text": "rgb(31, 31, 31)",
      "tab_line": "rgb(255, 255, 255)",
      "popup": "rgb(255, 255, 255)",
      "popup_text": "rgb(31, 31, 31)",
      "button_background_active": "rgb(232, 234, 237)",
      "button_background_hover": "rgb(241, 243, 244)",
      "frame_inactive": "rgb(211, 227, 253)",
      "icons_attention": "rgb(11, 87, 208)",
      "icons": "rgb(71, 71, 71)",
      "ntp_background": "rgb(255, 255, 255)",
      "ntp_text": "rgb(31, 31, 31)",
      "popup_border": "rgb(218, 220, 224)",
      "popup_highlight_text": "rgb(31, 31, 31)",
      "popup_highlight": "rgb(232, 240, 254)",
      "sidebar_border": "rgb(218, 220, 224)",
      "sidebar_highlight_text": "rgb(31, 31, 31)",
      "sidebar_highlight": "rgb(232, 240, 254)",
      "sidebar_text": "rgb(31, 31, 31)",
      "sidebar": "rgb(255, 255, 255)",
      "tab_background_separator": "rgb(211, 227, 253)",
      "tab_loading": "rgb(11, 87, 208)",
      "tab_selected": "rgb(255, 255, 255)",
      "tab_text": "rgb(31, 31, 31)",
      "toolbar_bottom_separator": "rgb(225, 227, 225)",
      "toolbar_field_border_focus": "rgb(168, 199, 250)",
      "toolbar_field_border": "rgb(225, 230, 237)",
      "toolbar_field_focus": "rgb(225, 230, 237)",
      "toolbar_field_highlight_text": "rgb(255, 255, 255)",
      "toolbar_field_highlight": "rgb(11, 87, 208)",
      "toolbar_field_separator": "rgb(218, 220, 224)",
      "toolbar_field_text_focus": "rgb(31, 31, 31)",
      "toolbar_top_separator": "rgb(211, 227, 253)",
      "toolbar_vertical_separator": "rgb(225, 227, 225)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{a296b4f8-7f13-4c72-a5ba-767d205633c7}"
    }
  }
}