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+/* 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 for MathML elements */
+/**************************************************************************/
+
+@namespace url(http://www.w3.org/1998/Math/MathML);
+
+/**************************************************************************/
+/* <math> - outermost math element */
+/**************************************************************************/
+
+math {
+ writing-mode: horizontal-tb !important;
+ direction: ltr;
+ unicode-bidi: embed;
+ display: inline;
+ font-size: inherit;
+ font-style: normal;
+ font-family: serif;
+ line-height: normal;
+ word-spacing: normal;
+ letter-spacing: normal;
+ text-rendering: optimizeLegibility;
+ -moz-float-edge: margin-box;
+ -moz-math-display: inline;
+}
+math[mode="display"], math[display="block"] {
+ display: block;
+ text-align: -moz-center;
+ -moz-math-display: block;
+}
+math[display="inline"] {
+ display: inline;
+ -moz-math-display: inline;
+}
+math[displaystyle="false"] {
+ -moz-math-display: inline;
+}
+math[displaystyle="true"] {
+ -moz-math-display: block;
+}
+
+/**************************************************************************/
+/* Token elements */
+/**************************************************************************/
+
+ms {
+ display: inline;
+}
+ms:before, ms:after {
+ content: "\0022"
+}
+ms[lquote]:before {
+ content: attr(lquote)
+}
+ms[rquote]:after {
+ content: attr(rquote)
+ }
+
+/**************************************************************************/
+/* Links */
+/**************************************************************************/
+:any-link {
+ text-decoration: none !important;
+}
+
+/**************************************************************************/
+/* attributes common to all tags */
+/**************************************************************************/
+
+/* These attributes are mapped to style in nsMathMLElement.cpp:
+
+ - background -> background (deprecated)
+ - color -> color (deprecated)
+ - fontfamily -> font-family (deprecated)
+ - fontsize -> font-size (deprecated)
+ - fontstyle -> font-style (deprecated)
+ - fontweight -> font-weight (deprecated)
+ - mathvariant -> -moz-math-variant
+ - scriptsizemultiplier -> -moz-script-size-multiplier
+ - scriptminsize -> -moz-script-min-size
+ - scriptlevel -> -moz-script-level
+ - mathsize -> font-size
+ - mathcolor -> color
+ - mathbackground -> background
+
+*/
+
+
+/**************************************************************************/
+/* merror */
+/**************************************************************************/
+
+merror {
+ display: block;
+ font-family: sans-serif;
+ font-weight: bold;
+ white-space: pre;
+ margin: 1em;
+ padding: 1em;
+ border-width: thin;
+ border-style: inset;
+ border-color: red;
+ font-size: 14pt;
+ background-color: lightyellow;
+}
+
+/**************************************************************************/
+/* mtable and its related tags */
+/**************************************************************************/
+
+mtable {
+ display: inline-table;
+ border-collapse: separate;
+ border-spacing: 0;
+ text-indent: 0;
+}
+mtable[frame="none"] {
+ border: none;
+}
+mtable[frame="solid"] {
+ border: solid thin;
+}
+mtable[frame="dashed"] {
+ border: dashed thin;
+}
+
+mtr, mlabeledtr {
+ display: table-row;
+ vertical-align: baseline;
+}
+
+mtd {
+ display: table-cell;
+ vertical-align: inherit;
+ text-align: -moz-center;
+ white-space: nowrap;
+}
+
+/* Don't support m(labeled)tr without mtable, nor mtd without m(labeled)tr */
+:not(mtable) > mtr,
+:not(mtable) > mlabeledtr,
+:not(mtr):not(mlabeledtr) > mtd {
+ display: none !important;
+}
+
+/* Hide the label because mlabeledtr is not supported yet (bug 356870). This
+ rule can be overriden by users. */
+mlabeledtr > mtd:first-child {
+ display: none;
+}
+
+/**********************************************************************/
+/* rules to achieve the default spacing between cells. When rowspacing,
+ columnspacing and framespacing aren't set on mtable. The back-end code
+ will set the internal attributes depending on the cell's position.
+ When they are set, the spacing behaviour is handled outside of CSS */
+mtd {
+ padding-right: 0.4em; /* half of columnspacing[colindex] */
+ padding-left: 0.4em; /* half of columnspacing[colindex-1] */
+ padding-bottom: 0.5ex; /* half of rowspacing[rowindex] */
+ padding-top: 0.5ex; /* half of rowspacing[rowindex-1] */
+}
+/* turn off the spacing at the periphery of boundary cells */
+mtr:first-child > mtd {
+ padding-top: 0ex;
+}
+mtr:last-child > mtd {
+ padding-bottom: 0ex;
+}
+mtd:first-child {
+ padding-inline-start: 0em;
+}
+mtd:last-child {
+ padding-inline-end: 0em;
+}
+/* re-instate the spacing if the table has a surrounding frame */
+mtable[frame="solid"] > mtr:first-child > mtd,
+mtable[frame="dashed"] > mtr:first-child > mtd {
+ padding-top: 0.5ex; /* framespacing.top */
+}
+mtable[frame="solid"] > mtr:last-child > mtd,
+mtable[frame="dashed"] > mtr:last-child > mtd {
+ padding-bottom: 0.5ex; /* framespacing.bottom */
+}
+mtable[frame="solid"] > mtr > mtd:first-child,
+mtable[frame="dashed"] > mtr > mtd:first-child {
+ padding-inline-start: 0.4em; /* framespacing.left (or right in rtl)*/
+}
+mtable[frame="solid"] > mtr > mtd:last-child,
+mtable[frame="dashed"] > mtr > mtd:last-child {
+ padding-inline-end: 0.4em; /* framespacing.right (or left in rtl)*/
+}
+
+mtable[rowspacing] > mtr > mtd,
+mtable[columnspacing] > mtr > mtd,
+mtable[framespacing] > mtr > mtd {
+ /* Spacing handled outside of CSS */
+ padding: 0px;
+}
+
+/**************************************************************************/
+/* This rule is used to give a style context suitable for nsMathMLChars.
+ We don't actually style -moz-math-anonymous by default. */
+/*
+::-moz-math-anonymous {
+}
+*/
+
+/**********************************************************************/
+/* This is used when wrapping non-MathML inline elements inside math. */
+*|*::-moz-mathml-anonymous-block {
+ display: inline-block !important;
+ position: static !important;
+ text-indent: 0;
+}
+
+/**************************************************************************/
+/* Controlling Displaystyle and Scriptlevel */
+/**************************************************************************/
+
+/*
+ http://www.w3.org/Math/draft-spec/chapter3.html#presm.scriptlevel
+
+ The determination of -moz-math-display for <math> involves the displaystyle
+ and display attributes. See the <math> section above.
+*/
+
+/*
+ Map mstyle@displaystyle to -moz-math-display.
+*/
+mstyle[displaystyle="false"] {
+ -moz-math-display: inline;
+}
+mstyle[displaystyle="true"] {
+ -moz-math-display: block;
+}
+
+/* munder, mover and munderover change the scriptlevels of their children
+ using -moz-math-increment-script-level because regular CSS rules are
+ insufficient to control when the scriptlevel should be incremented. All other
+ cases can be described using regular CSS, so we do it this way because it's
+ more efficient and less code. */
+:-moz-math-increment-script-level { -moz-script-level: +1; }
+
+/*
+ The mfrac element sets displaystyle to "false", or if it was already false
+ increments scriptlevel by 1, within numerator and denominator.
+*/
+mfrac > * {
+ -moz-script-level: auto;
+ -moz-math-display: inline;
+}
+
+/*
+ The mroot element increments scriptlevel by 2, and sets displaystyle to
+ "false", within index, but leaves both attributes unchanged within base.
+ The msqrt element leaves both attributes unchanged within its argument.
+*/
+mroot > :not(:first-child) {
+ -moz-script-level: +2;
+ -moz-math-display: inline;
+}
+
+/*
+ The msub element [...] increments scriptlevel by 1, and sets displaystyle to
+ "false", within subscript, but leaves both attributes unchanged within base.
+
+ The msup element [...] increments scriptlevel by 1, and sets displaystyle to
+ "false", within superscript, but leaves both attributes unchanged within
+ base.
+
+ The msubsup element [...] increments scriptlevel by 1, and sets displaystyle
+ to "false", within subscript and superscript, but leaves both attributes
+ unchanged within base.
+
+ The mmultiscripts element increments scriptlevel by 1, and sets displaystyle
+ to "false", within each of its arguments except base, but leaves both
+ attributes unchanged within base.
+ */
+msub > :not(:first-child),
+msup > :not(:first-child),
+msubsup > :not(:first-child),
+mmultiscripts > :not(:first-child) {
+ -moz-script-level: +1;
+ -moz-math-display: inline;
+}
+
+/*
+ The munder element [...] always sets displaystyle to "false" within the
+ underscript, but increments scriptlevel by 1 only when accentunder is
+ "false". Within base, it always leaves both attributes unchanged.
+
+ The mover element [...] always sets displaystyle to "false" within
+ overscript, but increments scriptlevel by 1 only when accent is "false".
+ Within base, it always leaves both attributes unchanged.
+
+ The munderover [..] always sets displaystyle to "false" within underscript
+ and overscript, but increments scriptlevel by 1 only when accentunder or
+ accent, respectively, are "false". Within base, it always leaves both
+ attributes unchanged.
+*/
+munder > :not(:first-child),
+mover > :not(:first-child),
+munderover > :not(:first-child) {
+ -moz-math-display: inline;
+}
+
+/*
+ The displaystyle attribute is allowed on the mtable element to set the
+ inherited value of the attribute. If the attribute is not present, the
+ mtable element sets displaystyle to "false" within the table elements.
+*/
+mtable { -moz-math-display: inline; }
+mtable[displaystyle="true"] { -moz-math-display: block; }
+
+/*
+ The mscarries element sets displaystyle to "false", and increments
+ scriptlevel by 1, so the children are typically displayed in a smaller font.
+ XXXfredw: This element is not implemented yet. See bug 534967.
+mscarries {
+ -moz-script-level: +1;
+ -moz-math-display: inline;
+}
+*/
+
+/* "The mphantom element renders invisibly, but with the same size and other
+ dimensions, including baseline position, that its contents would have if
+ they were rendered normally.".
+ Also, we do not expose the <mphantom> element to the accessible tree
+ (see bug 1108378). */
+mphantom {
+ visibility: hidden;
+}
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