Examine source code of Grok Void

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "2.0.0",
  "default_locale": "fr",
  "author": "ledutheo",
  "homepage_url": "https://github.com/ledutheo/firefox-theme-grok",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{509635ca-327f-493d-a156-277548d25172}",
      "strict_min_version": "115.0"
    },
    "gecko_android": {
      "strict_min_version": "120.0"
    }
  },
  "theme": {
    "images": {
      "theme_frame": "images/theme_frame.png"
    },
    "properties": {
      "backgrounds_area": "top_toolbars",
      "color_scheme": "dark",
      "content_color_scheme": "auto"
    },
    "colors": {
      "frame": "#0A0A0A",
      "frame_inactive": "#0C0C0C",
      "tab_background_text": "#9E9E9E",
      "tab_background_separator": "#2A2A2A",
      "tab_text": "#FCFCFC",
      "tab_line": "#FFFFFF",
      "tab_loading": "#FFFFFF",
      "tab_selected": "#141414",
      "toolbar": "#141414",
      "toolbar_text": "#FCFCFC",
      "bookmark_text": "#FCFCFC",
      "toolbar_top_separator": "#0A0A0A",
      "toolbar_bottom_separator": "#2A2A2A",
      "toolbar_vertical_separator": "#2A2A2A",
      "toolbar_field": "#111111",
      "toolbar_field_text": "#FCFCFC",
      "toolbar_field_border": "#2A2A2A",
      "toolbar_field_focus": "#1A1A1A",
      "toolbar_field_text_focus": "#FCFCFC",
      "toolbar_field_border_focus": "#FFFFFF",
      "toolbar_field_highlight": "#FFFFFF",
      "toolbar_field_highlight_text": "#0A0A0A",
      "icons": "#FCFCFC",
      "icons_attention": "#FFFFFF",
      "button_background_hover": "#242424",
      "button_background_active": "#2A2A2A",
      "popup": "#1A1A1A",
      "popup_text": "#FCFCFC",
      "popup_border": "#2A2A2A",
      "popup_highlight": "#FFFFFF",
      "popup_highlight_text": "#0A0A0A",
      "ntp_background": "#0A0A0A",
      "ntp_card_background": "#1A1A1A",
      "ntp_text": "#FCFCFC",
      "sidebar": "#141414",
      "sidebar_border": "#2A2A2A",
      "sidebar_text": "#FCFCFC",
      "sidebar_highlight": "#FFFFFF",
      "sidebar_highlight_text": "#0A0A0A"
    }
  },
  "dark_theme": {
    "images": {
      "theme_frame": "images/theme_frame.png"
    },
    "properties": {
      "backgrounds_area": "top_toolbars",
      "color_scheme": "dark",
      "content_color_scheme": "auto"
    },
    "colors": {
      "frame": "#0A0A0A",
      "frame_inactive": "#0C0C0C",
      "tab_background_text": "#9E9E9E",
      "tab_background_separator": "#2A2A2A",
      "tab_text": "#FCFCFC",
      "tab_line": "#FFFFFF",
      "tab_loading": "#FFFFFF",
      "tab_selected": "#141414",
      "toolbar": "#141414",
      "toolbar_text": "#FCFCFC",
      "bookmark_text": "#FCFCFC",
      "toolbar_top_separator": "#0A0A0A",
      "toolbar_bottom_separator": "#2A2A2A",
      "toolbar_vertical_separator": "#2A2A2A",
      "toolbar_field": "#111111",
      "toolbar_field_text": "#FCFCFC",
      "toolbar_field_border": "#2A2A2A",
      "toolbar_field_focus": "#1A1A1A",
      "toolbar_field_text_focus": "#FCFCFC",
      "toolbar_field_border_focus": "#FFFFFF",
      "toolbar_field_highlight": "#FFFFFF",
      "toolbar_field_highlight_text": "#0A0A0A",
      "icons": "#FCFCFC",
      "icons_attention": "#FFFFFF",
      "button_background_hover": "#242424",
      "button_background_active": "#2A2A2A",
      "popup": "#1A1A1A",
      "popup_text": "#FCFCFC",
      "popup_border": "#2A2A2A",
      "popup_highlight": "#FFFFFF",
      "popup_highlight_text": "#0A0A0A",
      "ntp_background": "#0A0A0A",
      "ntp_card_background": "#1A1A1A",
      "ntp_text": "#FCFCFC",
      "sidebar": "#141414",
      "sidebar_border": "#2A2A2A",
      "sidebar_text": "#FCFCFC",
      "sidebar_highlight": "#FFFFFF",
      "sidebar_highlight_text": "#0A0A0A"
    }
  }
}