R"===( /* " */
/* The peculiar first and last lines of this file are so so that we can
 * in mathml.cpp "const char * MATHML_CSS = #include" it as a C++11
 * raw string - while keeping it almost valid CSS, so at least
 * syntax highlight still work in various text editors */

math {
    /* We don't specify "font-family: math", as it would be substituted now with
     * the font set in _fontFamilyFonts for "math", and we want this stylesheet
     * to be stable/constant even when this "math" _fontFamilyFonts changes.
     * Font name(s) will be set by setMathMLElementNodeStyle(), to either this
     * "math" _fontFamilyFonts if set, or to a hardcoded list of known fonts with
     * good OpenType Math support when no font (Math or not) has been specified
     * by any stylesheet or if the inherited font has no OT Math support. */
    /* We reset a few inherited properties (but not all, some seem to be kept
     * inherited by Firefox: text-transform, visibility, white-space). */
    font-style: normal;
    font-weight: normal;
    letter-spacing: normal;
    line-height: normal;
    text-decoration: none;
    text-indent: 0;
    direction: ltr;
    hyphens: none;
    border-collapse: separate;
    border-spacing: 0;
}
math[display="block"] {
    display: block;
    text-align: center;
    margin: 0.5em 0;
    page-break-inside: avoid;
}

/* mo are to be inline-block so ML/MR can be applied as margin */
mo {
    display: inline-block;
}
/* We can't fetch largeop variants from the font, so fallback
 * to a larger font size for these */
mo[Mlargeop] {
    font-size: 1.41em;
}
mo[Mlargeop="integral"] {
    font-size: 2em;
}

/* mrow could just be an inline container, which should
 * allow wrapping inside if needed.
 * But we need each mrow to be its own formatting context,
 * so stretchy operators it may contain adjust only to the
 * height of the mrow content */
mrow {
    display: inline-block;
    white-space: nowrap; /* avoid wrap in some wrapping elements */
}
mfenced {
    display: inline-block;
    white-space: nowrap;
}

/* mfrac rendered as a table with 2 rows with each 1 cell.
 * Additional style and rendering adjustments (including linethickness) handled by code */
mfrac {
    display: inline-table; /* the code will wrap each child in a mathBox */
    white-space: nowrap;
    border-collapse: collapse;
    margin: 0 1px; /* suggested by specs */
}
mfrac > mathBox {
    display: table-row;
    text-align: center;
}
mfrac[numalign="left"] > mathBox:first-child,
mfrac[denomalign="left"] > mathBox:nth-child(2) {
    text-align: left;
}
mfrac[numalign="right"] > mathBox:first-child,
mfrac[denomalign="right"] > mathBox:nth-child(2) {
    text-align: right;
}

/* msub, msup, msubsup, mmultiscripts
 * Rendered as an inline-table with very specific tweaks.
 * Each child is wrapped in a mathBox set display:table-cell.
 * Cells will internally be moved into added rows by the table rendering code
 */
msub,
msup,
msubsup,
mmultiscripts {
    display: inline-table; /* the code will wrap each child in a mathBox */
    border-collapse: separate;
}
msub > mathBox,
msup > mathBox,
msubsup > mathBox,
mmultiscripts > mathBox,
mmultiscripts > mprescripts {
    display: table-cell;
    text-align: center;
}
/* subscripts and superscripts */
msub > mathBox + mathBox,
msup > mathBox + mathBox,
msubsup > mathBox + mathBox,
mmultiscripts > mathBox + mathBox {
    text-align: start;
}
/* subscripts and superscripts displayed on the left side of base */
mmultiscripts > mprescripts ~ mathBox {
    text-align: end;
}
/* <none/> is a MathML element used with mmultiscripts, no specific styling needed */

/* munder, mover, munderover
 * Rendered as an inline-table with very specific tweaks.
 * Each child is wrapped in a mathBox set display:table-cell.
 * Cells will internally be moved into added rows by the table rendering code
 * When movablelimits=true, these can be rendered as msub/msup/msubsup.
 */
munder,
mover,
munderover {
    display: inline-table; /* the code will wrap each child in a mathBox */
    border-collapse: separate;
}
munder > mathBox,
mover > mathBox,
munderover > mathBox {
    display: table-cell;
    text-align: center;
}
munder[align=left] > mathBox + mathBox,
mover[align=left] > mathBox + mathBox,
munderover[align=left] > mathBox + mathBox {
    text-align: left;
}
munder[align=right] > mathBox + mathBox,
mover[align=right] > mathBox + mathBox,
munderover[align=right] > mathBox + mathBox {
    text-align: right;
}
/* When handled as msub/msup/msubsup when movablelimits */
munder[Msubsup] > mathBox + mathBox,
mover[Msubsup] > mathBox + mathBox,
munderover[Msubsup] > mathBox + mathBox {
    text-align: start;
}

/* msqrt, mroot */
msqrt,
mroot {
    display: inline-table; /* the code will wrap each child in a mathBox */
    border-collapse: separate;
}
msqrt > mathBox,
mroot > mathBox {
    display: table-cell;
    white-space: nowrap;
}

/* mpadded, limited support */
mpadded {
    display: inline-block;
}

/* menclose: simple framed container, notation rendered as we can via table borders */
menclose {
    display: inline-block;
    padding: 0.5ex 0.4em; /* suggested by specs */
    margin: 1px; /* small room outside borders to distinguish adjacent mencloses */
}
menclose[notation*="top"],
menclose[notation*="actuarial"] {
    border-top: solid thin;
}
menclose[notation*="bottom"],
menclose[notation*="madruwb"] {
    border-bottom: solid thin;
}
menclose[notation*="right"],
menclose[notation*="actuarial"],
menclose[notation*="madruwb"] {
    border-right: solid thin;
}
menclose[notation*="left"] {
    border-left: solid thin;
}
menclose[notation*="box"],
menclose[notation*="roundedbox"],
menclose[notation*="circle"] {
    border: solid thin;
}
menclose[notation*="roundedbox"] {
    border-radius: 15%; /* not supported */
}
menclose[notation*="circle"] {
    border-radius: 50%; /* not supported */
}
menclose[notation*="horizontalstrike"] {
    text-decoration: line-through;
}

/* mtable */
mtable {
    display: inline-table;
    vertical-align: middle;
    border-collapse: separate;
    border-spacing: 0;
    text-indent: 0;
}
mtr,
mlabeledtr {
    display: table-row;
    vertical-align: baseline;
}
mtd {
    display: table-cell;
    text-align: center;
    vertical-align: inherit;
    padding: 0.2em 0.2em;
    /* Should be "padding: 0.5ex 0.4em" per specs, but we use a bit less
    /* to avoid wasting space and limit cell content being wrapped */
}
mtable[columnalign="left"],
mtr[columnalign="left"],
mlabeledtr[columnalign="left"],
mtd[columnalign="left"] {
    text-align: left;
}
mtable[columnalign="right"],
mtr[columnalign="right"],
mlabeledtr[columnalign="right"],
mtd[columnalign="right"] {
    text-align: right;
}
mtable[rowalign="top"] > mtr > mtd,
mtable[rowalign="top"] > mlabeledtr > mtd,
mtr[rowalign="top"] > mtd,
mlabeledtr[rowalign="top"] > mtd,
mtd[rowalign="top"] {
    vertical-align: top;
}
mtable[rowalign="center"] > mtr > mtd,
mtable[rowalign="center"] > mlabeledtr > mtd,
mtr[rowalign="center"] > mtd,
mlabeledtr[rowalign="center"] > mtd,
mtd[rowalign="center"] {
    vertical-align: middle,
}
mtable[rowalign="bottom"] > mtr > mtd,
mtable[rowalign="bottom"] > mlabeledtr > mtd,
mtr[rowalign="bottom"] > mtd,
mlabeledtr[rowalign="bottom"] > mtd,
mtd[rowalign="bottom"] {
    vertical-align: bottom;
}
mtable[frame="solid"] {
    border: solid thin;
}
mtable[frame="dashed"] {
    border: dashed thin;
}
mtable[rowlines="solid"],
mtable[rowlines="dashed"],
mtable[columnlines="solid"],
mtable[columnlines="dashed"] {
    border-collapse: collapse;
}
mtable[rowlines="solid"] > mtr + mtr,
mtable[rowlines="solid"] > mtr + mlabeledtr,
mtable[rowlines="solid"] > mlabeledtr + mtr,
mtable[rowlines="solid"] > mlabeledtr + mlabeledtr {
    border-top: solid thin;
}
mtable[rowlines="dashed"] > mtr + mtr,
mtable[rowlines="dashed"] > mtr + mlabeledtr,
mtable[rowlines="dashed"] > mlabeledtr + mtr,
mtable[rowlines="dashed"] > mlabeledtr + mlabeledtr {
    border-top: dashed thin;
}
mtable[columnlines="solid"] > mtr > mtd + mtd,
mtable[columnlines="solid"] > mlabeledtr > mtd + mtd {
    border-left: solid thin;
}
mtable[columnlines="dashed"] > mtr > mtd + mtd,
mtable[columnlines="dashed"] > mlabeledtr > mtd + mtd {
    border-left: dashed thin;
}

/* mspace: width/height/depth attributes handled by code */
mspace[linebreak="newline"]:before,
mspace[linebreak="indentingnewline"]:before {
    content: "\000A";
    white-space: pre;
}
mspace[linebreak="indentingnewline"]:after {
    display: inline-block;
    content: "";
    width: 1em;
}

/* mphantom */
mphantom {
    visibility: hidden;
}

/* ms: litteral string */
ms:before,
ms:after {
    content: "\0022";
}
ms[lquote]:before {
    content: attr(lquote);
}
ms[rquote]:after {
    content: attr(rquote);
}

/* merror */
merror {
    display: inline-block;
    border: 1px solid red;
    background-color: yellow;
}
merror:before {
    content: "Error: ";
}

/* tooltip... only the first child should be shown */
maction > * + * {
    display: none;
}

/* annotation-xml may contain alternate HTML content */
annotation,
annotation-xml {
    display: none;
}

/* mstack, mlongdiv
 * Elementary math, used to show addition and division steps for learners.
 * Not really supported nor tested, CSS taken from the "MathML for CSS Profile"
 * as it might be better than nothing
 */
mstack,
mlongdiv {
    display: inline-table;
    border-collapse: separate;
    font-family: monospace;
}
mstack {
    text-align: right;
    border-collapse: collapse;
}
mstack[align='top'],
mlongdiv[align='top'] {
    vertical-align: top;
}
mstack[align='center'],
mlongdiv[align='center'] {
    vertical-align: middle;
}
mstack[align='bottom'],
mlongdiv[align='bottom'] {
    vertical-align: bottom;
}
msline {
    display: block;
    border-bottom: solid thin;
}
mstack > *,
mlongdiv > mn:first-child {
    display: table-row;
}
mlongdiv > *:first-child + * {
    display: table-cell;
}
mlongdiv > *:first-child + * + * {
    border-top: solid thin;
}
mlongdiv > *:first-child:before {
    display: table-cell;
    content: '\A0';
}
mlongdiv > *:first-child + *:after {
    content: ')';
}
mlongdiv > * {
    display: block;
}
mscarry {
    display: none;
}

/* End of stylesheet (see top for why we end it that way) */
/*
)===" // /* */
