gecko-dev/toolkit/content/minimal-xul.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/. */

/**
 * This file should only contain a minimal set of rules for the XUL elements
 * that may be implicitly created as part of HTML/SVG documents (e.g.
 * scrollbars).  Rules for everything else related to XUL can be found in
 * xul.css.  (This split of the XUL rules is to minimize memory use and improve
 * performance in HTML/SVG documents.)
 *
 * This file should also not contain any app specific styling.  Defaults for
 * widgets of a particular application should be in that application's style
 * sheet.  For example style definitions for navigator can be found in
 * navigator.css.
 *
 * THIS FILE IS LOCKED DOWN.  YOU ARE NOT ALLOWED TO MODIFY IT WITHOUT FIRST
 * HAVING YOUR CHANGES REVIEWED BY enndeakin@gmail.com
 */

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* set default namespace to XUL */

* {
  -moz-user-focus: ignore;
  -moz-user-select: none;
  display: -moz-box;
  box-sizing: border-box;
}

:root {
  text-rendering: optimizeLegibility;
  -moz-control-character-visibility: visible;
}

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

/* hide the content and destroy the frame */
[hidden="true"] {
  display: none;
}

/* hide the content, but don't destroy the frames */
[collapsed="true"],
[moz-collapsed="true"] {
  visibility: collapse;
}

/********** resizer **********/

resizer {
  position: relative;
  z-index: 2147483647;
  /* Widget gets decide on its own whether or not the native theme should apply,
     based on the context/OS theme. If it does not, SVG background will kick in. */
  -moz-appearance: resizer;

  /* native resizer should never flip on its own;
     we will flip it (or the SVG background) with CSS transform below. */
  direction: ltr;
  writing-mode: initial;

  background: url("chrome://global/skin/icons/resizer.svg") no-repeat;
  background-size: 100% 100%;
  cursor: se-resize;
  width: 15px;
  height: 15px;
}

/* bottomstart/bottomend is supported in XUL window only */
resizer[dir="bottom"][flip],
resizer[dir="bottomleft"],
resizer[dir="bottomstart"]:-moz-locale-dir(ltr),
resizer[dir="bottomend"]:-moz-locale-dir(rtl) {
  transform: scaleX(-1);
}

resizer[dir="bottomleft"],
resizer[dir="bottomstart"]:-moz-locale-dir(ltr),
resizer[dir="bottomend"]:-moz-locale-dir(rtl) {
  cursor: sw-resize;
}

resizer[dir="top"],
resizer[dir="bottom"] {
  cursor: ns-resize;
}

resizer[dir="left"] {
  transform: scaleX(-1);
}

resizer[dir="left"],
resizer[dir="right"] {
  cursor: ew-resize;
}

resizer[dir="topleft"] {
  cursor: nw-resize;
}

resizer[dir="topright"] {
  cursor: ne-resize;
}

/********** scrollbar **********/

/* Scrollbars are never flipped even if BiDI kicks in. */
scrollbar[orient="horizontal"] {
  direction: ltr;
}

thumb {
  display: -moz-box !important;
}

scrollbar, scrollbarbutton, scrollcorner, slider, thumb {
  -moz-user-select: none;
}

scrollcorner {
  display: -moz-box !important;
}

scrollcorner[hidden="true"] {
  display: none !important;
}

scrollbar[value="hidden"] {
  visibility: hidden;
}

@media (-moz-scrollbar-start-backward: 0) {
  scrollbarbutton[sbattr="scrollbar-up-top"] {
    display: none;
  }
}

@media (-moz-scrollbar-start-forward: 0) {
  scrollbarbutton[sbattr="scrollbar-down-top"] {
    display: none;
  }
}

@media (-moz-scrollbar-end-backward: 0) {
  scrollbarbutton[sbattr="scrollbar-up-bottom"] {
    display: none;
  }
}

@media (-moz-scrollbar-end-forward: 0) {
  scrollbarbutton[sbattr="scrollbar-down-bottom"] {
    display: none;
  }
}

@media (-moz-scrollbar-thumb-proportional) {
  thumb[sbattr="scrollbar-thumb"] {
    -moz-box-flex: 1;
  }
}