Examine source code of The Anacrusis

{
  "manifest_version": 2,
  "version": "1.0",
  "name": "The Anacrusis",
  "theme": {
    "images": {},
    "properties": {},
    "colors": {
      "toolbar": "rgb(194, 180, 155)",
      "toolbar_text": "rgb(0, 0, 0)",
      "frame": "rgb(60, 60, 60)",
      "tab_background_text": "rgb(231, 231, 231)",
      "toolbar_field": "rgb(111, 111, 111)",
      "toolbar_field_text": "rgb(231, 231, 231)",
      "tab_line": "rgb(122, 66, 27)",
      "popup": "rgb(79, 79, 79)",
      "popup_text": "rgb(231, 231, 231)",
      "icons_attention": "rgb(255, 255, 254)",
      "ntp_background": "rgb(60, 60, 60)",
      "ntp_text": "rgb(231, 231, 231)",
      "popup_border": "rgb(255, 255, 254)",
      "popup_highlight_text": "rgb(231, 231, 231)",
      "popup_highlight": "rgb(144, 144, 144)",
      "sidebar_border": "rgb(255, 255, 254)",
      "sidebar_highlight_text": "rgb(231, 231, 231)",
      "sidebar_highlight": "rgb(144, 144, 144)",
      "sidebar_text": "rgb(231, 231, 231)",
      "sidebar": "rgb(79, 79, 79)",
      "tab_loading": "rgb(231, 231, 231)",
      "tab_selected": "rgb(186, 106, 54)",
      "tab_text": "rgb(231, 231, 231)",
      "toolbar_bottom_separator": "rgb(255, 255, 254)",
      "toolbar_field_border": "rgb(255, 255, 254)",
      "toolbar_field_highlight": "rgb(144, 144, 144)",
      "toolbar_top_separator": "rgb(122, 66, 27)"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{693f0596-4793-475f-96c3-b4d56de38e53}"
    }
  }
}