Examine source code of Orange-Desert-Dark

{
  "manifest_version": 2,
  "version": "1.1.1",
  "name": "Orange-Desert-Dark",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(54, 36, 32)",
      "toolbar_text": "rgb(242, 230, 225)",
      "frame": "rgb(20, 13, 11)",
      "tab_background_text": "rgb(166, 140, 140)",
      "toolbar_field": "rgb(61, 43, 40)",
      "toolbar_field_text": "rgb(242, 230, 225)",
      "tab_line": "rgb(61, 43, 40)",
      "popup": "rgb(61, 43, 40)",
      "popup_text": "rgb(242, 230, 225)",
      "button_background_active": "rgb(78, 57, 53)",
      "button_background_hover": "rgb(61, 43, 40)",
      "frame_inactive": "rgb(30, 22, 22)",
      "icons_attention": "rgb(235, 186, 185)",
      "icons": "rgb(242, 230, 225)",
      "ntp_background": "rgb(41, 29, 26)",
      "popup_highlight_text": "rgb(242, 230, 225)",
      "popup_highlight": "rgb(93, 66, 62)",
      "sidebar_border": "rgb(41, 29, 26)",
      "sidebar_highlight": "rgb(61, 43, 40)",
      "sidebar_text": "rgb(242, 230, 225)",
      "sidebar": "rgb(20, 13, 11)",
      "tab_loading": "rgb(235, 186, 185)",
      "tab_selected": "rgb(61, 43, 40)",
      "tab_text": "rgb(166, 140, 140)",
      "toolbar_bottom_separator": "rgb(20, 13, 11)",
      "toolbar_field_border_focus": "rgb(235, 186, 185)",
      "toolbar_field_focus": "rgb(61, 43, 40)",
      "toolbar_field_highlight_text": "rgb(20, 13, 11)",
      "toolbar_field_highlight": "rgb(235, 186, 185)",
      "toolbar_field_text_focus": "rgb(242, 230, 225)",
      "toolbar_vertical_separator": "rgb(78, 57, 53)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c4e82725-9dec-4aa3-a96b-a44789a1ce93}"
    }
  }
}