menupopup menuitem:not([type="checkbox"], [type="radio"]),
menupopup menu:not([type="checkbox"], [type="radio"]),
#main-menubar > menu {
  -moz-appearance: none !important; /* Linux: menulist */
}

/* Icon */
:not(menu, #ContentSelectDropdown)
  > menupopup
  > menuitem:not(.menuitem-iconic, .in-menulist, [type="checkbox"], [checked="true"]),
:not(menu, #ContentSelectDropdown)
  > menupopup
  > menu:not(.menu-iconic, .in-menulist, [type="checkbox"], [checked="true"]),
#main-menubar > menu,
menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ToolsPopup, #menu_HelpPopup)
  menuitem:not(.menuitem-iconic, .in-menulist, [type="checkbox"], [checked="true"]),
menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ToolsPopup, #menu_HelpPopup)
  menu:not(.menu-iconic, .in-menulist, [type="checkbox"], [checked="true"]),
menupopup:is(#organizeButtonPopup, #maintenanceButtonPopup) > menuitem,
menupopup:is(#viewMenuPopup, #maintenanceButtonPopup) > menu,
menupopup:is(#context_sendTabToDevicePopupMenu, #context-sendpagetodevice-popup) > menuitem,
.openintabs-menuitem,
#blockedPopupDontShowMessage {
  /* Color */
  -moz-context-properties: fill, fill-opacity !important;
  fill: currentColor !important;

  /* Layout */
  background-size: 16px !important;
  background-repeat: no-repeat !important;
  background-image: var(--menuitem-image);
}

/* For native context menus on macOS */
@supports -moz-bool-pref("widget.macos.native-context-menus") {
  :not(menu, #ContentSelectDropdown)
    > menupopup
    > menuitem:not(.menuitem-iconic, [type="checkbox"], [checked="true"], .in-menulist),
  :not(menu, #ContentSelectDropdown)
    > menupopup
    > menu:not(.menu-iconic, [type="checkbox"], [checked="true"], .in-menulist) {
    list-style-image: var(--menuitem-image, url("../icons/blank.svg")) !important;
  }
}

/* Padding */
:root {
  --context-menu-background-padding-default: 5px;
  --context-menu-background-padding: var(--context-menu-background-padding-default);
}
:not(menu, #ContentSelectDropdown, #context-navigation) > menupopup > menuitem:not(.menuitem-iconic),
:not(menu, #ContentSelectDropdown, #context-navigation) > menupopup > menu:not(.menu-iconic),
menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ToolsPopup, #menu_HelpPopup)
  menuitem:not(.menuitem-iconic, .in-menulist, [type="checkbox"], [checked="true"], .bookmark-item),
menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ToolsPopup, #menu_HelpPopup)
  menu:not(.menu-iconic, .in-menulist, [type="checkbox"], [checked="true"]),
menupopup:is(#organizeButtonPopup, #maintenanceButtonPopup) > menuitem,
menupopup:is(#viewMenuPopup, #maintenanceButtonPopup) > menu,
menupopup:is(#context_sendTabToDevicePopupMenu, #context-sendpagetodevice-popup) > menuitem,
.openintabs-menuitem,
#blockedPopupDontShowMessage {
  background-position: left var(--context-menu-background-padding) center !important;
  padding-inline-start: var(--context-menu-background-padding) !important;
}

/* Menubar */
@include Option("userChrome.icon.global_menubar") {
  #main-menubar > menu {
    background-position: left var(--context-menu-background-padding-default) center !important;
    padding-inline-start: calc(16px + var(--context-menu-background-padding-default)) !important;
    padding-inline-end: 3px;
  }
  #main-menubar > menu:first-child {
    background-position: left calc(3px + var(--context-menu-background-padding-default)) center !important;
    padding-inline-start: calc(19px + var(--context-menu-background-padding-default)) !important;
  }
  #main-menubar > menu > menupopup {
    --menuitem-image: none; /* Prevent Image Inheritance */
  }

  @include NotOption("userChrome.padding.global_menubar") {
    #main-menubar > menu {
      padding-block: 2px !important;;
    }
  }
}

/* Padding - Windows */
@include OS($win) {
  /* Checkbox */
  :root {
    --context-menu-text-padding: calc(var(--menu-padding) + var(--context-menu-background-padding-default) + 16px);
  }
  :not(menu, #ContentSelectDropdown, #context-navigation)
    > menupopup
    > menuitem[type="checkbox"]:not([checked="true"])
    > .menu-iconic-left {
    padding-inline-start: var(--context-menu-text-padding);
  }
}

@include OS($win7) {
  :root {
    --context-menu-background-padding-default: 2px;
  }
}
@include OS($win8) {
  :root {
    --context-menu-background-padding-default: 3px;
  }
}
@include OS($win7, $win8) {
  :not(menu, #ContentSelectDropdown, #context-navigation)
    > menupopup
    > menuitem:not(.menuitem-iconic, [type="checkbox"], [checked="true"], .in-menulist),
  :not(menu, #ContentSelectDropdown, #context-navigation)
    > menupopup
    > menu:not(.menu-iconic, [type="checkbox"], [checked="true"], .in-menulist),
  menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ToolsPopup, #menu_HelpPopup)
    menuitem:not(.menuitem-iconic, .in-menulist, [type="checkbox"], [checked="true"], .bookmark-item),
  menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ToolsPopup, #menu_HelpPopup)
    menu:not(.menu-iconic, .in-menulist, [type="checkbox"], [checked="true"]),
  menupopup:is(#organizeButtonPopup, #maintenanceButtonPopup) > menuitem,
  menupopup:is(#viewMenuPopup, #maintenanceButtonPopup) > menu,
  menupopup:is(#context_sendTabToDevicePopupMenu, #context-sendpagetodevice-popup) > menuitem,
  .openintabs-menuitem,
  #blockedPopupDontShowMessage {
    background-position: left var(--context-menu-background-padding) center !important;
    padding-inline-start: 0 !important;
  }
}
@include OS($win10) {
  :root {
    --context-menu-background-padding: 1em;
    --context-menu-text-padding: 24px; /* 16px + 8px */
    --menu-background-padding-default: calc(var(--context-menu-background-padding) + var(--context-menu-text-padding));
  }

  :not(menu, #ContentSelectDropdown, #context-navigation)
    > menupopup
    > menuitem:not(.menuitem-iconic, [type="checkbox"], [checked="true"], .in-menulist),
  :not(menu, #ContentSelectDropdown, #context-navigation)
    > menupopup
    > menu:not(.menu-iconic, [type="checkbox"], [checked="true"], .in-menulist),
  menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ToolsPopup, #menu_HelpPopup)
    menuitem:not(.menuitem-iconic, .in-menulist, [type="checkbox"], [checked="true"], .bookmark-item),
  menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ToolsPopup, #menu_HelpPopup)
    menu:not(.menu-iconic, .in-menulist, [type="checkbox"], [checked="true"]),
  menupopup:is(#organizeButtonPopup, #maintenanceButtonPopup) > menuitem,
  menupopup:is(#viewMenuPopup, #maintenanceButtonPopup) > menu,
  menupopup:is(#context_sendTabToDevicePopupMenu, #context-sendpagetodevice-popup) > menuitem,
  .openintabs-menuitem,
  #blockedPopupDontShowMessage {
    padding-inline-start: var(--menu-background-padding-default) !important;
    margin-left: 0 !important;
  }
}

/* Padding - Linux */
@include OS($linux) {
  :root {
    --context-menu-background-padding-default: 6px;
  }

  #main-menubar > menu > .menubar-text {
    padding-inline-start: 3px;
  }
}

/* Padding - Mac */
@include OS($mac) {
  :root {
    --context-menu-background-padding-default: 10px;
    --context-menu-mac-padding: 21px;
  }

  /* context menu width */
  :not(menu, #ContentSelectDropdown, #context-navigation)
    > menupopup
    > menuitem:not(.menuitem-iconic, [type="checkbox"], [checked="true"], .in-menulist),
  :not(menu, #ContentSelectDropdown, #context-navigation)
    > menupopup
    > menu:not(.menu-iconic, [type="checkbox"], [checked="true"], .in-menulist),
  #blockedPopupDontShowMessage {
    padding-inline-end: var(--context-menu-background-padding) !important;
  }

  /* text position */
  :not(menu, #ContentSelectDropdown, #context-navigation) > menupopup > menuitem > .menu-text,
  :not(menu, #ContentSelectDropdown, #context-navigation) > menupopup > menu > menu-text {
    padding-inline-start: var(--context-menu-mac-padding) !important;
  }

  /* Checkbox menuitem, None iconic menu */
  :not(menu, #ContentSelectDropdown, #context-navigation) > menupopup > menuitem[type="checkbox"],
  :not(menu, #ContentSelectDropdown, #context-navigation) > menupopup > menu:not(.menu-iconic) {
    padding-inline-start: calc(var(--context-menu-background-padding) + var(--context-menu-mac-padding)) !important;
  }

  /* Global Menu */
  /* Disabled. some icons not appear
  menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ToolsPopup, #menu_HelpPopup)
    menuitem:not(.menuitem-iconic, .in-menulist, [type="checkbox"], [checked="true"], .bookmark-item),
  menupopup:is(#menu_FilePopup, #menu_EditPopup, #menu_viewPopup, #goPopup, #historyMenuPopup, #bookmarksMenuPopup, #menu_ToolsPopup, #menu_HelpPopup)
    menu:not(.menu-iconic, .in-menulist, [type="checkbox"], [checked="true"]) {
    list-style-image: var(--menuitem-image, url("../icons/blank.svg"));
  }
 */
}