/* 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 url(http://www.w3.org/1999/xhtml); /* set default namespace to HTML */


/* Quirk: make orphaned LIs have inside bullet (b=1049) */

/* force inside position for orphaned lis */
li {
  list-style-position: inside;
}

/* restore outside position for lists inside LIs */
li :is(ul, ol, dir, menu) {
  list-style-position: outside;
}

/* undo previous two rules for properly nested lists */
:is(ul, ol, dir, menu) :is(ul, ol, dir, menu, li) {
  list-style-position: unset;
}


/* Quirk: ensure that we get proper padding if the very first
 * node in an LI is another UL or OL. This is an ugly way to
 * fix the problem, because it extends the LI up into what
 * would otherwise appear to be the ULs space. (b=38832) */

/* Note: this fix will fail once we implement marker box
 * alignment correctly. */
li > ul:-moz-first-node,
li > ol:-moz-first-node {
  padding-block-start: 1em;
}


table {
  text-align: start;
  white-space: normal; /* compatible with IE & spec */
  line-height: normal;

  /* Quirk: cut off all font inheritance in tables except for family. */
  font-size: initial;
  font-weight: initial;
  font-style: initial;
  font-variant: initial;
}


/* Quirk: collapse top margin of BODY and TD and bottom margin of TD */

/*
 * While it may seem simpler to use :-moz-first-node and :-moz-last-node without
 * tags, it's slower, since we have to do the :-moz-first-node or :-moz-last-node
 * check on every single element in the document.  If we list all the
 * element names for which the UA stylesheet specifies a margin, the
 * selectors will be hashed in the selector maps and things will be much more
 * efficient.
 */
:is(body, td, th) > :is(p, dl, multicol, blockquote, h1, h2, h3, h4, h5, h6, listing, plaintext, xmp, pre, ul, menu, dir, ol):-moz-first-node {
  margin-block-start: 0;
}

td > p:-moz-last-node, th > p:-moz-last-node {
  margin-block-end: 0;
}

/* Similar as above, but for empty elements
 *  collapse the bottom or top margins of empty elements
 *  - see bug 97361
 */
:is(body, td, th) > :is(p, dl, multicol, blockquote, h1, h2, h3, h4, h5, h6, listing, plaintext, xmp, pre, ul, menu, dir, ol):-moz-only-whitespace:-moz-first-node {
  margin-block-end: 0;
}

:is(td, th) > :is(p, dl, multicol, blockquote, h1, h2, h3, h4, h5, h6, listing, plaintext, xmp, pre, ul, menu, dir, ol):-moz-only-whitespace:-moz-last-node {
  margin-block-start: 0;
}

/* Quirk: Make floated images have a margin  (b=58899) */
img[align=left] {
  margin-right: 3px;
}

img[align=right] {
  margin-left: 3px;
}

/*
 * Quirk: Use border-box box sizing for text inputs, password inputs, and
 * textareas.  (b=184478 on why we use content-box sizing in standards mode)
 */

/* Note that all other <input>s already use border-box
   sizing, so we're ok with this selector */
input:not([type=image]), textarea {
  box-sizing: border-box;
}

/* Quirk: give form margin for compat (b=41806) */
form {
  margin-block-end: 1em;
}
