Examine source code of Dark Red Night theme

{
  "name": "Red theme",
  "author": "BobRascal",
  "manifest_version": 2,
  "version": "2022.8.3.1",
  "theme": {
    "colors": {
      "frame": "#000000",
      "frame_inactive": "#000000",
      "tab_text": "#ff0000",
      "tab_background_text": "#800000",
      "tab_background_separator": "#800000",
      "tab_line": "#101010",
      "tab_loading": "#101010",
      "icons_attention": "#800000",
      "toolbar": "#202020",
      "toolbar_top_separator": "#101010",
      "toolbar_bottom_separator": "#101010",
      "toolbar_vertical_separator": "#800000",
      "toolbar_field": "#101010",
      "toolbar_field_text": "#c00000",
      "toolbar_field_border": "#101010",
      "toolbar_field_separator": "#800000",
      "toolbar_field_focus": "#202020",
      "toolbar_field_border_focus": "#101010",
      "button_background_hover": "#101010",
      "button_background_active": "#101010",
      "icons": "#c00000",
      "bookmark_text": "#c00000",
      "popup": "#101010",
      "popup_text": "#800000",
      "popup_border": "#101010",
      "popup_highlight": "#202020",
      "popup_highlight_text": "#ff0000",
      "ntp_background": "#101010",
      "ntp_text": "#800000",
      "sidebar": "#101010",
      "sidebar_text": "#c00000",
      "sidebar_border": "#101010",
      "sidebar_highlight": "#202020",
      "sidebar_highlight_text": "#c00000"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{10b38919-70cb-4876-9e83-737d744522ab}"
    }
  }
}