base/content/browser.css

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

@namespace html url("http://www.w3.org/1999/xhtml");

:root,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  width: 100%;
  overflow: -moz-hidden-unscrollable;
}

:root {
  text-rendering: optimizeLegibility;
  min-height: 95px;
  min-width: 95px;

  /* variables */
  --panelui-subview-transition-duration: 150ms;
  --lwt-additional-images: none;
  --lwt-background-alignment: right top;
  --lwt-background-tiling: no-repeat;

  --toolbar-bgcolor: var(--toolbar-non-lwt-bgcolor);
  --toolbar-bgimage: var(--toolbar-non-lwt-bgimage);
  --toolbar-color: var(--toolbar-non-lwt-textcolor);
}

:root:-moz-locale-dir(rtl) {
  direction: rtl;
}

:root:-moz-lwtheme {
  --toolbar-bgcolor: rgba(255,255,255,.4);
  --toolbar-bgimage: none;
  --toolbar-color: var(--lwt-text-color, inherit);

  background-color: var(--lwt-accent-color);
  color: var(--lwt-text-color);
}

:root:-moz-lwtheme[lwtheme-image] {
  background-image: var(--lwt-header-image) !important;
  background-repeat: no-repeat;
  background-position: right top !important;
}

:root:-moz-lwtheme:-moz-window-inactive {
  background-color: var(--lwt-accent-color-inactive, var(--lwt-accent-color));
}

:root:not([chromehidden~="toolbar"]) {
  min-width: 450px;
}

:root[customizing] {
  min-width: -moz-fit-content;
}

/* Prevent shrinking the page content to 0 height and width */
.browserStack > browser {
  min-height: 25px;
  min-width: 25px;
}

body {
  display: -moz-box;
  -moz-box-orient: vertical;
  -moz-box-flex: 1;
}

/* Set additional backgrounds alignment relative to toolbox */

#navigator-toolbox:-moz-lwtheme {
  background-image: var(--lwt-additional-images);
  background-position: var(--lwt-background-alignment);
  background-repeat: var(--lwt-background-tiling);
}

.search-one-offs[compact=true] .search-setting-button,
.search-one-offs:not([compact=true]) .search-setting-button-compact {
  display: none;
}

%ifdef MENUBAR_CAN_AUTOHIDE
#toolbar-menubar[autohide="true"] {
  overflow: hidden;
}

#toolbar-menubar[autohide="true"][inactive="true"]:not([customizing="true"]) {
  min-height: 0 !important;
  height: 0 !important;
  -moz-appearance: none !important;
}
%endif

%ifdef XP_MACOSX
#toolbar-menubar {
  visibility: collapse;
}
%endif

panelmultiview {
  -moz-box-align: start;
}

panelmultiview[transitioning] {
  pointer-events: none;
}

panelview {
  -moz-box-orient: vertical;
}

panelview:not([visible]) {
  visibility: collapse;
}

/* Hide the header when a subview is reused as a main view. */
panelview[mainview] > .panel-header {
  display: none;
}

.panel-viewcontainer {
  overflow: hidden;
}

.panel-viewcontainer[panelopen] {
  transition-property: height;
  transition-timing-function: var(--animation-easing-function);
  transition-duration: var(--panelui-subview-transition-duration);
  will-change: height;
}

.panel-viewcontainer.offscreen {
  display: block;
}

.panel-viewstack {
  overflow: visible;
  transition: height var(--panelui-subview-transition-duration);
}

@supports -moz-bool-pref("layout.css.emulate-moz-box-with-flex") {
  #tabbrowser-tabs {
    /* Without this, the tabs container width extends beyond the window width */
    width: 0;
  }
  .tab-stack {
    /* Without this, pinned tabs get a bit too tall when the tabstrip overflows. */
    vertical-align: top;
  }
}

@supports not -moz-bool-pref("browser.tabs.tabmanager.enabled") {
  #tabbrowser-tabs:not([overflow="true"]):not([hashiddentabs]) ~ #alltabs-button {
    display: none;
  }
  #tabbrowser-tabs:not([overflow="true"])[using-closing-tabs-spacer] ~ #alltabs-button {
    /* temporary space to keep a tab's close button under the cursor */
    display: -moz-box;
    visibility: hidden;
  }
}

#tabbrowser-tabs[hasadjacentnewtabbutton]:not([overflow="true"]) ~ #new-tab-button,
#tabbrowser-tabs[overflow="true"] > #tabbrowser-arrowscrollbox > #tabs-newtab-button,
#tabbrowser-tabs:not([hasadjacentnewtabbutton]) > #tabbrowser-arrowscrollbox > #tabs-newtab-button,
#TabsToolbar[customizing="true"] #tabs-newtab-button {
  display: none;
}

.tabbrowser-tab:not([pinned]) {
  -moz-box-flex: 100;
  max-width: 225px;
  min-width: var(--tab-min-width);
  width: 0;
  transition: min-width 100ms ease-out,
              max-width 100ms ease-out;
}

:root[uidensity=touch] .tabbrowser-tab:not([pinned]) {
  /* Touch mode needs additional space for the close button. */
  min-width: calc(var(--tab-min-width) + 10px);
}

.tabbrowser-tab:not([pinned]):not([fadein]) {
  max-width: 0.1px;
  min-width: 0.1px;
  visibility: hidden;
}

.tab-icon-image[fadein],
.tab-close-button[fadein],
.tabbrowser-tab[fadein]::after,
.tab-background[fadein] {
  /* This transition is only wanted for opening tabs. */
  transition: visibility 0ms 25ms;
}

.tab-icon-pending:not([fadein]),
.tab-icon-image:not([fadein]),
.tab-close-button:not([fadein]),
.tabbrowser-tab:not([fadein])::after,
.tab-background:not([fadein]) {
  visibility: hidden;
}

.tab-label:not([fadein]),
.tab-throbber:not([fadein]) {
  display: none;
}

%ifdef NIGHTLY_BUILD
@supports -moz-bool-pref("browser.tabs.hideThrobber") {
  .tab-throbber {
    display: none !important;
  }
}
%endif

#tabbrowser-tabs[positionpinnedtabs] > #tabbrowser-arrowscrollbox > .tabbrowser-tab[pinned] {
  position: fixed !important;
  display: block;
}

#tabbrowser-tabs[movingtab] > #tabbrowser-arrowscrollbox > .tabbrowser-tab[selected],
#tabbrowser-tabs[movingtab] > #tabbrowser-arrowscrollbox > .tabbrowser-tab[multiselected] {
  position: relative;
  z-index: 2;
  pointer-events: none; /* avoid blocking dragover events on scroll buttons */
}

.tabbrowser-tab[tab-grouping],
.tabbrowser-tab[tabdrop-samewindow] {
  transition: transform 200ms var(--animation-easing-function);
}

.tabbrowser-tab[tab-grouping][multiselected]:not([selected]) {
  z-index: 2;
}

/* Make it easier to drag tabs by expanding the drag area downwards. */
#tabbrowser-tabs[movingtab] {
  padding-bottom: 15px;
  margin-bottom: -15px;
}

#navigator-toolbox[movingtab] > #nav-bar {
  pointer-events: none;
}

/* Allow dropping a tab on buttons with associated drop actions. */
#navigator-toolbox[movingtab] > #nav-bar > #nav-bar-customization-target > #personal-bookmarks,
#navigator-toolbox[movingtab] > #nav-bar > #nav-bar-customization-target > #home-button,
#navigator-toolbox[movingtab] > #nav-bar > #nav-bar-customization-target > #downloads-button,
#navigator-toolbox[movingtab] > #nav-bar > #nav-bar-customization-target > #bookmarks-menu-button {
  pointer-events: auto;
}

/* The address bar needs to be able to render outside of the toolbar, but as
 * long as it's within the toolbar's bounds we can clip the toolbar so that the
 * rendering pipeline doesn't reserve an enormous texture for it. */
#nav-bar:not([urlbar-exceeds-toolbar-bounds]),
/* When customizing, overflowable toolbars move automatically moved items back
 * from the overflow menu, but we still don't want to render them outside of
 * the customization target. */
toolbar[overflowable][customizing] > .customization-target {
  overflow: -moz-hidden-unscrollable;
}

toolbar:not([overflowing]) > .overflow-button,
toolbar[customizing] > .overflow-button {
  display: none;
}

toolbar[customizing] #pioneer-button,
toolbar[customizing] #whats-new-menu-button {
  display: none;
}

:root:not([chromehidden~="toolbar"]) #nav-bar[nonemptyoverflow] > .overflow-button,
#nav-bar[customizing] > .overflow-button {
  display: -moz-box;
}

/* The ids are ugly, but this should be reasonably performant, and
 * using a tagname as the last item would be less so.
 */
#widget-overflow-list:empty + #widget-overflow-fixed-separator,
#widget-overflow:not([hasfixeditems]) #widget-overflow-fixed-separator {
  display: none;
}


%ifdef MENUBAR_CAN_AUTOHIDE
:root:not([chromehidden~="menubar"]) #toolbar-menubar:not([autohide=true]) + #TabsToolbar > .titlebar-buttonbox-container,
:root:not([chromehidden~="menubar"]) #toolbar-menubar:not([autohide=true]) + #TabsToolbar .titlebar-spacer,
%endif
%ifndef MOZ_WIDGET_COCOA
%ifndef MOZ_WIDGET_GTK
:root:not([sizemode=normal]) .titlebar-spacer[type="pre-tabs"],
%endif
%endif
:root:not([chromemargin]) .titlebar-buttonbox-container,
:root[inFullscreen] .titlebar-buttonbox-container,
:root[inFullscreen] .titlebar-spacer,
:root:not([tabsintitlebar]) .titlebar-spacer {
  display: none;
}
%ifdef MOZ_WIDGET_GTK
@media (-moz-gtk-csd-reversed-placement: 0) {
  :root:not([sizemode=normal]) .titlebar-spacer[type="pre-tabs"],
  :root[gtktiledwindow=true] .titlebar-spacer[type="pre-tabs"] {
    display: none;
  }
}
@media (-moz-gtk-csd-reversed-placement) {
  :root:not([sizemode=normal]) .titlebar-spacer[type="post-tabs"],
  :root[gtktiledwindow=true] .titlebar-spacer[type="post-tabs"] {
    display: none;
  }
}
%endif

:root:not([sizemode=maximized]) .titlebar-restore,
:root[sizemode=maximized] .titlebar-max {
  display: none;
}

%ifdef MENUBAR_CAN_AUTOHIDE
#toolbar-menubar[autohide=true]:not([inactive]) + #TabsToolbar > .titlebar-buttonbox-container {
  visibility: hidden;
}
%endif

#titlebar {
  -moz-window-dragging: drag;
}

:root[tabsintitlebar] .titlebar-buttonbox {
  position: relative;
}

:root:not([tabsintitlebar]) .titlebar-buttonbox {
  display: none;
}

.titlebar-buttonbox {
  -moz-appearance: -moz-window-button-box;
  position: relative;
}

#personal-bookmarks {
  -moz-window-dragging: inherit;
}

toolbarpaletteitem {
  -moz-window-dragging: no-drag;
  -moz-box-pack: start;
}

.titlebar-buttonbox-container {
  -moz-box-ordinal-group: 1000;
}

%ifdef XP_MACOSX
#titlebar-fullscreen-button {
  -moz-appearance: -moz-mac-fullscreen-button;
}

/**
 * On macOS, the window caption buttons are on the left side of the window titlebar,
 * even when using the RTL UI direction. Similarly, the fullscreen button is on the
 * right side of the window titlebar, even when using the RTL UI direction. These
 * next rules enforce that ordering.
 */
#titlebar-secondary-buttonbox:-moz-locale-dir(ltr) {
  -moz-box-ordinal-group: 1000;
}

#titlebar-secondary-buttonbox:-moz-locale-dir(rtl),
.titlebar-buttonbox-container:-moz-locale-dir(ltr) {
  -moz-box-ordinal-group: 0;
}
%endif

:root[inDOMFullscreen] #navigator-toolbox,
:root[inDOMFullscreen] #fullscr-toggler,
:root[inDOMFullscreen] #sidebar-box,
:root[inDOMFullscreen] #sidebar-splitter,
:root[inFullscreen]:not([OSXLionFullscreen]) toolbar:not([fullscreentoolbar=true]),
:root[inFullscreen] .global-notificationbox {
  visibility: collapse;
}

#navigator-toolbox[fullscreenShouldAnimate] {
  transition: 0.8s margin-top ease-out;
}

/* Rules to help integrate WebExtension buttons */

.webextension-browser-action > .toolbarbutton-badge-stack > .toolbarbutton-icon {
  height: 16px;
  width: 16px;
}

@media not all and (min-resolution: 1.1dppx) {
  .webextension-browser-action {
    list-style-image: var(--webextension-toolbar-image, inherit);
  }

  toolbar[brighttext] .webextension-browser-action {
    list-style-image: var(--webextension-toolbar-image-light, inherit);
  }

  toolbar:not([brighttext]) .webextension-browser-action:-moz-lwtheme {
    list-style-image: var(--webextension-toolbar-image-dark, inherit);
  }

  .webextension-browser-action[cui-areatype="menu-panel"] {
    list-style-image: var(--webextension-menupanel-image, inherit);
  }

  :root[lwt-popup-brighttext] .webextension-browser-action[cui-areatype="menu-panel"] {
    list-style-image: var(--webextension-menupanel-image-light, inherit);
  }

  :root:not([lwt-popup-brighttext]) .webextension-browser-action[cui-areatype="menu-panel"]:-moz-lwtheme {
    list-style-image: var(--webextension-menupanel-image-dark, inherit);
  }

  .webextension-menuitem {
    list-style-image: var(--webextension-menuitem-image, inherit) !important;
  }
}

@media (min-resolution: 1.1dppx) {
  .webextension-browser-action {
    list-style-image: var(--webextension-toolbar-image-2x, inherit);
  }

  toolbar[brighttext] .webextension-browser-action {
    list-style-image: var(--webextension-toolbar-image-2x-light, inherit);
  }

  toolbar:not([brighttext]) .webextension-browser-action:-moz-lwtheme {
    list-style-image: var(--webextension-toolbar-image-2x-dark, inherit);
  }

  .webextension-browser-action[cui-areatype="menu-panel"] {
    list-style-image: var(--webextension-menupanel-image-2x, inherit);
  }

  :root[lwt-popup-brighttext] .webextension-browser-action[cui-areatype="menu-panel"] {
    list-style-image: var(--webextension-menupanel-image-2x-light, inherit);
  }

  :root:not([lwt-popup-brighttext]) .webextension-browser-action[cui-areatype="menu-panel"]:-moz-lwtheme {
    list-style-image: var(--webextension-menupanel-image-2x-dark, inherit);
  }

  .webextension-menuitem {
    list-style-image: var(--webextension-menuitem-image-2x, inherit) !important;
  }
}

toolbarbutton.webextension-menuitem > .toolbarbutton-icon {
  width: 16px;
  height: 16px;
}

toolbarpaletteitem[removable="false"] {
  opacity: 0.5;
}

%ifndef XP_MACOSX
toolbarpaletteitem[place="palette"],
toolbarpaletteitem[place="menu-panel"],
toolbarpaletteitem[place="toolbar"] {
  -moz-user-focus: normal;
}
%endif

#bookmarks-toolbar-placeholder,
#bookmarks-toolbar-button,
toolbarpaletteitem > #personal-bookmarks > #PlacesToolbar,
#personal-bookmarks:-moz-any([overflowedItem=true], [cui-areatype="menu-panel"]) > #PlacesToolbar {
  display: none;
}

toolbarpaletteitem[place="toolbar"] > #personal-bookmarks > #bookmarks-toolbar-placeholder,
toolbarpaletteitem[place="palette"] > #personal-bookmarks > #bookmarks-toolbar-button,
#personal-bookmarks:-moz-any([overflowedItem=true], [cui-areatype="menu-panel"]) > #bookmarks-toolbar-button {
  display: -moz-box;
}

#personal-bookmarks {
  position: relative;
}

#PlacesToolbarDropIndicatorHolder {
  display: block;
  position: absolute;
}

#nav-bar-customization-target > #personal-bookmarks,
toolbar:not(#TabsToolbar) > #wrapper-personal-bookmarks,
toolbar:not(#TabsToolbar) > #personal-bookmarks {
  -moz-box-flex: 1;
}

#zoom-controls[cui-areatype="toolbar"]:not([overflowedItem=true]) > #zoom-reset-button > .toolbarbutton-text {
  display: -moz-box;
}

#reload-button:not([displaystop]) + #stop-button,
#reload-button[displaystop] {
  display: none;
}

/* The reload-button is only disabled temporarily when it becomes visible
   to prevent users from accidentally clicking it. We don't however need
   to show this disabled state, as the flicker that it generates is short
   enough to be visible but not long enough to explain anything to users. */
#reload-button[disabled]:not(:-moz-window-inactive) > .toolbarbutton-icon {
  opacity: 1 !important;
}

/* Ensure stop-button and reload-button are displayed correctly when in the overflow menu */
.widget-overflow-list > #stop-reload-button > .toolbarbutton-1 {
  -moz-box-flex: 1;
}

%ifdef XP_MACOSX
:root[inFullscreen="true"] {
  padding-top: 0; /* override drawintitlebar="true" */
}
%endif

/* Hide menu elements intended for keyboard access support */
#main-menubar[openedwithkey=false] .show-only-for-keyboard {
  display: none;
}

/* ::::: location bar & search bar ::::: */

#urlbar,
#searchbar {
  /* Setting a width and min-width to let the location & search bars maintain
     a constant width in case they haven't be resized manually. (bug 965772) */
  width: 1px;
  min-width: 1px;
}

/* Align URLs to the right in RTL mode. */
#urlbar-input:-moz-locale-dir(rtl) {
  text-align: right !important;
}

/* Make sure that the location bar's alignment changes according
   to the input box direction if the user switches the text direction using
   cmd_switchTextDirection (which applies a dir attribute to the <input>). */
#urlbar-input[dir=ltr]:-moz-locale-dir(rtl) {
  text-align: left !important;
}

#urlbar-input[dir=rtl]:-moz-locale-dir(ltr) {
  text-align: right !important;
}

/*
 * Display visual cue that browser is under remote control.
 * This is to help users visually distinguish a user agent session that
 * is under remote control from those used for normal browsing sessions.
 *
 * Attribute is controlled by browser.js:/gRemoteControl.
 */
:root[remotecontrol] #urlbar-background {
  background: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 25px,
    rgba(255,255,255,.3) 25px,
    rgba(255,255,255,.3) 50px);
  background-color: rgba(255,170,68,.8);
  color: black;
}

/* Show the url scheme in a static box when overflowing to the left */
.urlbar-input-box {
  position: relative;
  direction: ltr;
}

#urlbar-scheme {
  position: absolute;
  height: 100%;
  visibility: hidden;
  direction: ltr;
  pointer-events: none;
}

#urlbar-input {
  mask-repeat: no-repeat;
  unicode-bidi: plaintext;
  text-align: match-parent;
}

#urlbar:not([focused])[domaindir="ltr"]> #urlbar-input-container > .urlbar-input-box > #urlbar-input {
  direction: ltr;
  unicode-bidi: embed;
}

/* The following rules apply overflow masks to the unfocused urlbar
   This mask may be overriden when a Contextual Feature Recommendation is shown,
   see browser/themes/shared/urlbar-searchbar.inc.css for details */

#urlbar:not([focused])[textoverflow="both"] > #urlbar-input-container > .urlbar-input-box > #urlbar-input {
  mask-image: linear-gradient(to right, transparent, black 3ch, black calc(100% - 3ch), transparent);
}
#urlbar:not([focused])[textoverflow="right"] > #urlbar-input-container > .urlbar-input-box > #urlbar-input {
  mask-image: linear-gradient(to left, transparent, black 3ch);
}
#urlbar:not([focused])[textoverflow="left"] > #urlbar-input-container > .urlbar-input-box > #urlbar-input {
  mask-image: linear-gradient(to right, transparent, black 3ch);
}

/* The protocol is visible if there is an RTL domain and we overflow to the left.
   Uses the required-valid trick to check if it contains a value */
#urlbar:not([focused])[textoverflow="left"][domaindir="rtl"] > #urlbar-input-container > .urlbar-input-box > #urlbar-scheme:valid {
  visibility: visible;
}
#urlbar:not([focused])[textoverflow="left"][domaindir="rtl"] > #urlbar-input-container > .urlbar-input-box > #urlbar-input {
  mask-image: linear-gradient(to right, transparent var(--urlbar-scheme-size), black calc(var(--urlbar-scheme-size) + 3ch));
}

/* Apply crisp rendering for favicons at exactly 2dppx resolution */
@media (resolution: 2dppx) {
  .searchbar-engine-image {
    image-rendering: -moz-crisp-edges;
  }
}

#urlbar[actionoverride] > #urlbar-input-container > #urlbar-label-box,
#urlbar:not([actiontype="switchtab"]):not([actiontype="extension"]) > #urlbar-input-container > #urlbar-label-box,
#urlbar:not([actiontype="switchtab"]) > #urlbar-input-container > #urlbar-label-box > #urlbar-label-switchtab,
#urlbar:not([actiontype="extension"]) > #urlbar-input-container > #urlbar-label-box > #urlbar-label-extension {
  display: none;
}

#PopupAutoComplete > richlistbox > richlistitem[originaltype="loginsFooter"] {
  -moz-box-pack: center;
  color: -moz-fieldText;
  min-height: 2.6666em;
  border-top: 1px solid rgba(38,38,38,.15);
  background-color: hsla(0,0%,80%,.35); /* match arrowpanel-dimmed */;
}

#PopupAutoComplete > richlistbox > richlistitem[originaltype="loginsFooter"]:hover,
#PopupAutoComplete > richlistbox > richlistitem[originaltype="loginsFooter"][selected] {
  background-color: hsla(0,0%,80%,.5); /* match arrowpanel-dimmed-further */
}

/* Define the minimum width based on the style of result rows.
   The order of the min-width rules below must be in increasing order. */
#PopupAutoComplete[resultstyles~="loginsFooter"],
#PopupAutoComplete[resultstyles~="insecureWarning"] {
  min-width: 17em;
}

#PopupAutoComplete[resultstyles~="generatedPassword"] {
  min-width: 22em;
}

#PopupAutoComplete[resultstyles~="importableLogins"] {
  min-width: 24em;
}

#PopupAutoComplete > richlistbox > richlistitem[originaltype="insecureWarning"] {
  height: auto;
}

#PopupAutoComplete > richlistbox > richlistitem[originaltype="loginWithOrigin"] > .ac-site-icon,
#PopupAutoComplete > richlistbox > richlistitem[originaltype="insecureWarning"] > .ac-site-icon {
  margin-inline-start: 0;
  display: initial;
}

#PopupAutoComplete > richlistbox > richlistitem[originaltype="insecureWarning"] > .ac-title > .ac-text-overflow-container > .ac-title-text {
  text-overflow: initial;
  white-space: initial;
}

#PopupAutoComplete > richlistbox > richlistitem[originaltype="insecureWarning"] > .ac-title > label {
  margin-inline-start: 0;
}

#urlbar-input-container[pageproxystate=invalid] > #page-action-buttons > .urlbar-page-action,
#identity-box.chromeUI ~ #page-action-buttons > .urlbar-page-action:not(#star-button-box),
#urlbar[usertyping] > #urlbar-input-container > #page-action-buttons > #urlbar-zoom-button,
#urlbar:not([usertyping]) > #urlbar-input-container > #urlbar-go-button,
#urlbar:not([focused]) > #urlbar-input-container > #urlbar-go-button {
  display: none;
}

#nav-bar:not([keyNav=true]) #identity-box,
#nav-bar:not([keyNav=true]) #tracking-protection-icon-container {
  -moz-user-focus: normal;
}

/* We leave 350px plus whatever space the download button will need when it
 * appears. Normally this should be 16px for the icon, plus 2 * 2px padding
 * plus the toolbarbutton-inner-padding. We're adding 4px to ensure things
 * like rounding on hidpi don't accidentally result in the button going
 * into overflow.
 */
 #urlbar-container {
  min-width: calc(350px + 24px + 2 * var(--toolbarbutton-inner-padding));
}

#nav-bar[downloadsbuttonshown] #urlbar-container {
  min-width: 350px;
}

/* Customize mode is difficult to use at moderate window width if the Urlbar
   remains 350px wide. */
:root[customizing] #urlbar-container {
  min-width: 280px;
}

#identity-box {
  max-width: calc(30px + 10em);
}

@media (max-width: 770px) {
  #urlbar-container {
    min-width: calc(280px + 24px + 2 * var(--toolbarbutton-inner-padding));
  }
  #nav-bar[downloadsbuttonshown] #urlbar-container {
    min-width: 280px;
  }
  :root[customizing] #urlbar-container {
    min-width: 245px;
  }
  #identity-box {
    max-width: 80px;
  }
  /* Contenxtual identity labels are user-customizable and can be very long,
     so we only show the colored icon when the window gets small. */
  #userContext-label {
    display: none;
  }
}
/* 680px is just below half of popular 1366px wide screens, so when putting two
   browser windows next to each other on such a screen, they'll be above this
   threshold. */
@media (max-width: 680px) {
  /* Page action buttons are duplicated in the page action menu so we can
     safely hide them in small windows. */
  #pageActionSeparator,
  #pageActionButton ~ .urlbar-page-action {
    display: none;
  }
}
@media (max-width: 550px) {
  #urlbar-container {
    min-width: calc(225px + 24px + 2 * var(--toolbarbutton-inner-padding));
  }
  #nav-bar[downloadsbuttonshown] #urlbar-container {
    min-width: 225px;
  }
  #identity-box {
    max-width: 70px;
  }
  #urlbar-zoom-button {
    display: none;
  }
}

/* Flexible spacer sizing (gets overridden in the navbar) */
toolbarpaletteitem[place=toolbar][id^=wrapper-customizableui-special-spring],
toolbarspring {
  -moz-box-flex: 1;
  min-width: 28px;
  max-width: 112px;
}

#nav-bar toolbarpaletteitem[id^=wrapper-customizableui-special-spring],
#nav-bar toolbarspring {
  -moz-box-flex: 80;
  /* We shrink the flexible spacers, but not to nothing so they can be
   * manipulated in customize mode; the next rule shrinks them further
   * outside customize mode. */
  min-width: 10px;
}

#nav-bar:not([customizing]) toolbarspring {
  min-width: 1px;
}

#widget-overflow-list > toolbarspring {
  display: none;
}

/* ::::: Unified Back-/Forward Button ::::: */
.unified-nav-current {
  font-weight: bold;
}

.bookmark-item > label {
  /* ensure we use the direction of the bookmarks label instead of the
   * browser locale */
  unicode-bidi: plaintext;
}

/* Apply crisp rendering for favicons at exactly 2dppx resolution */
@media (resolution: 2dppx) {
  .menuitem-with-favicon > .menu-iconic-left > .menu-iconic-icon {
    image-rendering: -moz-crisp-edges;
  }

  .bookmark-item > .toolbarbutton-icon,
  .bookmark-item > .menu-iconic-left > .menu-iconic-icon {
    image-rendering: -moz-crisp-edges;
  }
}

menupopup[emptyplacesresult="true"] > .hide-if-empty-places-result {
  display: none;
}

/* Hide extension toolbars that neglected to set the proper class */
:root[chromehidden~="location"][chromehidden~="toolbar"] toolbar:not(.chromeclass-menubar) {
  display: none;
}

#navigator-toolbox ,
#mainPopupSet {
  min-width: 1px;
}

/* History Swipe Animation */

#historySwipeAnimationContainer {
  overflow: hidden;
  pointer-events: none;
}

#historySwipeAnimationPreviousArrow {
  background: url("chrome://browser/content/history-swipe-arrow.svg")
              center left / 64px 128px no-repeat transparent;
}
#historySwipeAnimationNextArrow {
  background: url("chrome://browser/content/history-swipe-arrow.svg")
              center left / 64px 128px no-repeat transparent;
  transform: rotate(180deg);
}

/*  Full Screen UI */

#fullscr-toggler {
  height: 1px;
  background: black;
}

#fullscreen-and-pointerlock-wrapper {
  position: fixed;
  width: 100vw;
  height: 100vh;
  top: 0;
  pointer-events: none;
}

.pointerlockfswarning {
  position: fixed;
  z-index: 2147483647 !important;
  visibility: visible;
  transition: transform 300ms ease-in;
  /* To center the warning box horizontally,
     we use left: 50% with translateX(-50%). */
  top: 0; left: 50%;
  transform: translate(-50%, -100%);
  box-sizing: border-box;
  width: max-content;
  max-width: 95%;
  pointer-events: none;
}
.pointerlockfswarning:not([hidden]) {
  display: flex;
  will-change: transform;
}
.pointerlockfswarning[onscreen] {
  transform: translate(-50%, 50px);
}
.pointerlockfswarning[ontop] {
  /* Use -10px to hide the border and border-radius on the top */
  transform: translate(-50%, -10px);
}
:root[OSXLionFullscreen] .pointerlockfswarning[ontop] {
  transform: translate(-50%, 80px);
}

.pointerlockfswarning-domain-text,
.pointerlockfswarning-generic-text {
  word-wrap: break-word;
  /* We must specify a min-width, otherwise word-wrap:break-word doesn't work. Bug 630864. */
  min-width: 1px
}
.pointerlockfswarning-domain-text:not([hidden]) + .pointerlockfswarning-generic-text {
  display: none;
}

#fullscreen-exit-button {
  pointer-events: auto;
}

/* notification anchors should only be visible when their associated
   notifications are */
#nav-bar:not([keyNav=true]) .notification-anchor-icon {
  -moz-user-focus: normal;
}

#blocked-permissions-container > .blocked-permission-icon:not([showing]),
.notification-anchor-icon:not([showing]) {
  display: none;
}

#invalid-form-popup > description {
  max-width: 280px;
}

.popup-anchor {
  /* should occupy space but not be visible */
  opacity: 0;
  pointer-events: none;
  position: absolute;
}

browser[tabmodalPromptShowing] {
  -moz-user-focus: none !important;
}

/* Status panel */

#statuspanel {
  display: block;
  position: fixed;
  margin-top: -3em;
  max-width: calc(100% - 5px);
  pointer-events: none;
}

#statuspanel[mirror] {
  inset-inline-start: auto;
  inset-inline-end: 0;
}

#statuspanel[sizelimit] {
  max-width: 50%;
}

#statuspanel[type=status] {
  min-width: 23em;
}

@media all and (max-width: 800px) {
  #statuspanel[type=status] {
    min-width: 33%;
  }
}

#statuspanel[type=overLink] {
  transition: opacity 120ms ease-out, visibility 120ms;
}

#statuspanel[type=overLink] > #statuspanel-inner {
  direction: ltr;
}

#statuspanel[inactive] {
  transition: none;
  opacity: 0;
  visibility: hidden;
}

#statuspanel[inactive][previoustype=overLink] {
  transition: opacity 200ms ease-out, visibility 200ms;
}

#statuspanel-inner {
  height: 3em;
  width: 100%;
  -moz-box-align: end;
}

/*** Visibility of downloads indicator controls ***/

/* Bug 924050: If we've loaded the indicator, for now we hide it in the menu panel,
   and just show the icon. This is a hack to side-step very weird layout bugs that
   seem to be caused by the indicator stack interacting with the menu panel. */
#downloads-button[indicator]:not([cui-areatype="menu-panel"]) > .toolbarbutton-badge-stack > image.toolbarbutton-icon,
#downloads-button[indicator][cui-areatype="menu-panel"] > .toolbarbutton-badge-stack > #downloads-indicator-anchor {
  display: none;
}

toolbarpaletteitem[place="palette"] > #downloads-button[indicator] > .toolbarbutton-badge-stack > image.toolbarbutton-icon {
  display: -moz-box;
}

toolbarpaletteitem[place="palette"] > #downloads-button[indicator] > .toolbarbutton-badge-stack > #downloads-indicator-anchor {
  display: none;
}

/* Combobox dropdown renderer */
#ContentSelectDropdown > menupopup {
  /* The menupopup itself should always be rendered LTR to ensure the scrollbar aligns with
   * the dropdown arrow on the dropdown widget. If a menuitem is RTL, its style will be set accordingly */
  direction: ltr;
}

/* Indent options in optgroups */
.contentSelectDropdown-ingroup .menu-iconic-text {
  padding-inline-start: 2em;
}

/* Give this menupopup an arrow panel styling */
#BMB_bookmarksPopup {
  -moz-appearance: none;
  background: transparent;
  border: none;
  /* The popup inherits -moz-image-region from the button, must reset it */
  -moz-image-region: auto;
}

@supports -moz-bool-pref("xul.panel-animations.enabled") {
@media (prefers-reduced-motion: no-preference) {
%ifdef MOZ_WIDGET_COCOA
  /* On Mac, use the properties "-moz-window-transform" and "-moz-window-opacity"
     instead of "transform" and "opacity" for these animations.
     The -moz-window* properties apply to the whole window including the window's
     shadow, and they don't affect the window's "shape", so the system doesn't
     have to recompute the shadow shape during the animation. This makes them a
     lot faster. In fact, Gecko no longer triggers shadow shape recomputations
     for repaints.
     These properties are not implemented on other platforms. */
  #BMB_bookmarksPopup:not([animate="false"]) {
    -moz-window-opacity: 0;
    -moz-window-transform: translateY(-70px);
    transition-property: -moz-window-transform, -moz-window-opacity;
    transition-duration: 0.18s, 0.18s;
    transition-timing-function:
      var(--animation-easing-function), ease-out;
  }

  #BMB_bookmarksPopup[side="bottom"]:not([animate="false"]) {
    -moz-window-transform: translateY(70px);
  }

  /* [animate] is here only so that this rule has greater specificity than the
   * rule right above */
  #BMB_bookmarksPopup[animate][animate="open"] {
    -moz-window-opacity: 1.0;
    transition-duration: 0.18s, 0.18s;
    -moz-window-transform: none;
    transition-timing-function:
      var(--animation-easing-function), ease-in-out;
  }

  #BMB_bookmarksPopup[animate][animate="cancel"] {
    -moz-window-transform: none;
  }
%else
  #BMB_bookmarksPopup:not([animate="false"]) {
    opacity: 0;
    transform: translateY(-70px);
    transition-property: transform, opacity;
    transition-duration: 0.18s, 0.18s;
    transition-timing-function:
      var(--animation-easing-function), ease-out;
  }

  #BMB_bookmarksPopup[side="bottom"]:not([animate="false"]) {
    transform: translateY(70px);
  }

  /* [animate] is here only so that this rule has greater specificity than the
   * rule right above */
  #BMB_bookmarksPopup[animate][animate="open"] {
    opacity: 1.0;
    transition-duration: 0.18s, 0.18s;
    transform: none;
    transition-timing-function:
      var(--animation-easing-function), ease-in-out;
  }

  #BMB_bookmarksPopup[animate][animate="cancel"] {
    transform: none;
  }
%endif
}
}

/* Apply crisp rendering for favicons at exactly 2dppx resolution */
@media (resolution: 2dppx) {
  .PanelUI-remotetabs-clientcontainer > toolbarbutton > .toolbarbutton-icon,
  #PanelUI-recentlyClosedWindows > toolbarbutton > .toolbarbutton-icon,
  #PanelUI-recentlyClosedTabs > toolbarbutton > .toolbarbutton-icon,
  #PanelUI-historyItems > toolbarbutton > .toolbarbutton-icon {
    image-rendering: -moz-crisp-edges;
  }
}

#customization-container {
  -moz-box-orient: horizontal;
  flex-direction: column;
}

#customization-container:not([hidden]) {
  /* In a separate rule to avoid 'display:flex' causing the node to be
   * displayed while the container is still hidden. */
  display: flex;
}

#customization-content-container {
  display: flex;
  flex-grow: 1; /* Grow so there isn't empty space below the footer */
  min-height: 0; /* Allow this to shrink so the footer doesn't get pushed out. */
}

#customization-panelHolder {
  padding-top: 10px;
  padding-bottom: 10px;
}

#customization-panelHolder > #widget-overflow-fixed-list {
  flex: 1 1 auto; /* Grow within the available space, and allow ourselves to shrink */
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

#customization-panelWrapper,
#customization-panelWrapper > .panel-arrowcontent,
#customization-panelHolder {
  flex-direction: column;
  display: flex;
  min-height: calc(174px + 9em);
}

#customization-panelWrapper {
  flex: 1 1 auto;
  height: 0; /* Don't let my contents affect ancestors' content-based sizing */
  align-items: end; /* align to the end on the cross-axis (affects arrow) */
}

#customization-panelWrapper,
#customization-panelWrapper > .panel-arrowcontent {
  -moz-box-flex: 1;
}

#customization-panel-container {
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  flex: none;
}

toolbarpaletteitem[dragover] {
  border-inline-color: transparent;
}

#customization-palette-container {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

#customization-palette:not([hidden]) {
  display: block;
  flex: 1 1 auto;
  overflow: auto;
  min-height: 3em;
}

#customization-footer-spacer,
#customization-spacer {
  flex: 1 1 auto;
}

#customization-footer {
  display: flex;
  flex-shrink: 0;
  flex-wrap: wrap;
}

#customization-toolbar-visibility-button > .box-inherit > .button-menu-dropmarker {
  display: -moz-box;
}

toolbarpaletteitem[place="palette"] {
  -moz-box-orient: vertical;
  width: 7em;
  max-width: 7em;
  /* icon (16) + margin (9 + 12) + 3 lines of text: */
  height: calc(39px + 3em);
  margin-bottom: 5px;
  margin-inline-end: 24px;
  overflow: visible;
  display: inline-block;
  vertical-align: top;
}

toolbarpaletteitem[place="palette"][hidden] {
  display: none;
}

toolbarpaletteitem > toolbarbutton,
toolbarpaletteitem > toolbaritem {
  /* Prevent children from getting events */
  pointer-events: none;
  -moz-box-pack: center;
}

:root[customizing=true] .addon-banner-item,
:root[customizing=true] .panel-banner-item {
  display: none;
}

/* UI Tour */

@keyframes uitour-wobble {
  from {
    transform: rotate(0deg) translateX(3px) rotate(0deg);
  }
  50% {
    transform: rotate(360deg) translateX(3px) rotate(-360deg);
  }
  to {
    transform: rotate(720deg) translateX(0px) rotate(-720deg);
  }
}

@keyframes uitour-zoom {
  from {
    transform: scale(0.8);
  }
  50% {
    transform: scale(1.0);
  }
  to {
    transform: scale(0.8);
  }
}

@keyframes uitour-color {
  from {
    border-color: #5B9CD9;
  }
  50% {
    border-color: #FF0000;
  }
  to {
    border-color: #5B9CD9;
  }
}

#UITourHighlightContainer,
#UITourHighlight {
  pointer-events: none;
}

#UITourHighlight[active] {
  animation-delay: 2s;
  animation-fill-mode: forwards;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
}

#UITourHighlight[active="wobble"] {
  animation-name: uitour-wobble;
  animation-delay: 0s;
  animation-duration: 1.5s;
  animation-iteration-count: 1;
}
#UITourHighlight[active="zoom"] {
  animation-name: uitour-zoom;
  animation-duration: 1s;
}
#UITourHighlight[active="color"] {
  animation-name: uitour-color;
  animation-duration: 2s;
}

/* Combined context-menu items */
#context-navigation > .menuitem-iconic > .menu-iconic-text,
#context-navigation > .menuitem-iconic > .menu-accel-container {
  display: none;
}

.popup-notification-invalid-input {
  box-shadow: 0 0 1.5px 1px red;
}

.popup-notification-invalid-input[focused] {
  box-shadow: 0 0 2px 2px rgba(255,0,0,0.4);
}

.popup-notification-description[popupid=webauthn-prompt-register-direct] {
  white-space: pre-line;
}

.dragfeedback-tab {
  -moz-appearance: none;
  opacity: 0.65;
  -moz-window-shadow: none;
}

/* Page action panel */
#pageAction-panel-sendToDevice-subview-body:not([state="notready"]) > .pageAction-sendToDevice-notReady,
#pageAction-urlbar-sendToDevice-subview-body:not([state="notready"]) > .pageAction-sendToDevice-notReady {
  display: none;
}

/* Page action buttons */
.pageAction-panel-button > .toolbarbutton-icon {
  list-style-image: var(--pageAction-image-16px, inherit);
}
.urlbar-page-action {
  list-style-image: var(--pageAction-image-16px, inherit);
}
@media (min-resolution: 1.1dppx) {
  .pageAction-panel-button > .toolbarbutton-icon {
    list-style-image: var(--pageAction-image-32px, inherit);
  }
  .urlbar-page-action {
    list-style-image: var(--pageAction-image-32px, inherit);
  }
}

/* Page action context menu */
#pageActionContextMenu > .pageActionContextMenuItem {
  visibility: collapse;
}
#pageActionContextMenu[state=builtInPinned] > .pageActionContextMenuItem.builtInPinned,
#pageActionContextMenu[state=builtInUnpinned] > .pageActionContextMenuItem.builtInUnpinned,
#pageActionContextMenu[state=extensionPinned] > .pageActionContextMenuItem.extensionPinned,
#pageActionContextMenu[state=extensionUnpinned] > .pageActionContextMenuItem.extensionUnpinned {
  visibility: visible;
}

/* WebExtension Sidebars */
#sidebar-box[sidebarcommand$="-sidebar-action"] > #sidebar-header > #sidebar-switcher-target > #sidebar-icon {
  list-style-image: var(--webextension-menuitem-image, inherit);
  -moz-context-properties: fill;
  fill: currentColor;
  width: 16px;
  height: 16px;
}

@media (min-resolution: 1.1dppx) {
  #sidebar-box[sidebarcommand$="-sidebar-action"] > #sidebar-header > #sidebar-switcher-target > #sidebar-icon {
    list-style-image: var(--webextension-menuitem-image-2x, inherit);
  }
}

toolbar[keyNav=true]:not([collapsed=true]):not([customizing=true]) toolbartabstop {
  -moz-user-focus: normal;
}

/* Frame used for rendering the DevTools inspector highlighters */
iframe.devtools-highlighter-renderer {
  border: none;
  pointer-events: none;
}

/* Highlighter for the Browser Toolbox */
:root > iframe.devtools-highlighter-renderer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}

/* Highlighter for web content */
.browserStack > iframe.devtools-highlighter-renderer {
  -moz-box-flex: 1;
}