/*
.workgroup .work .title {
    font-weight: normal;
}
*/

.collectedworks .knowl-output {
    border: 12px 
    solid #D6E3FF;
    background: none repeat scroll 0% 0% #FAFCFF;
    border-radius: 4px;
    margin-bottom: 1.25em;
}

.collectedworks .subjectwork {
    max-width: 750px;
}

.collectedworks .bib {
    margin-bottom: 1em;
}

.collectedworks .bibitem + .bibentry {
    display: inline;
}

.collectedworks .bibitem {
    display: inline;
    font-weight: bold;
    margin-right: 1em;
}

#primary-navbar .toolbar .toolbar-item a {
    text-decoration: none;
}

#primary-navbar .navbar-top-buttons .toolbar-align-right .toolbar-item {
   /* for the prev/next svg from SL2X */
    margin-top: -8px;
    border-left: 0;
}

#primary-navbar .navbar-top-buttons .toolbar-align-right {
   /* also for the prev/next svg from SL2X */
    border-right: 0;
}

#primary-navbar .navbar-top-buttons .toolbar-align-right .toolbar-item-left {
    float: left;
    padding: 3px 6px 3px 6px;
    margin: 4px 10px 0px 5px;
    border: 1px solid #aaf;
    background-color: #def;
/*
    border: 1px solid #aaf;
    margin: 8px 10px 0px 10px;
*/
    font-size: 90%;
}

#primary-navbar .navbar-top-buttons .toolbar-align-right .toolbar-item-left a {
    text-decoration: none;
/*
    padding: 3px 6px 3px 6px;
    margin: 4px 10px 0px 5px;
    margin: 0;
    border: 1px solid #aaf;
    background-color: #def;
*/
}


#feedback {position: relative;
        margin-top: 30px; /* negative value of footer height */
        height: 30px;
        margin-left: 30px;
        font-size: 70%;
        text-align: bottom;
        clear:both;
} 

.mathbook-content figure figcaption {
    font-weight: normal;
}

.mathbook-content figure figcaption {
    margin-top: 10px;
    margin-left: auto;
    margin-right: auto;
    font-size: 100%;
    text-indent: -30px;
}

.mathbook-content figure figcaption .heading, .mathbook-content figure figcaption .codenumber {
    font-weight: 700;
}

.mathbook-content figure figcaption .heading:after {
    content: " ";
}

.mathbook-content figure figcaption .codenumber:after {
    content: ".\2002";  /* en space */
}

.mathbook-content figure figcaption .codenumber:last-child:after {
    display: inline;
    content: ". ";
}

.mathbook-content .definition-like p > em {
    font-weight: 700;
}

.unprocessed {
    padding: 8px;
    background-color: rgb(255,230,230)
}

.unprocessed .unprocessed {
    margin: 8px;
    background-color: rgb(255,200,255)
}

.unprocessed .unprocessed .unprocessed {
    margin: 8px;
    background-color: rgb(205,205,255)
}

/* does this apply anywhere? */

/*
*[knowl] {
  border-bottom: 1px dotted #00a;
}
*/

#toc h2 + h2 {
    margin-top: 0.3em;
}

h2:last-child {
/* for the chapter pages with section links at the bottom */
    margin-bottom: 100px;
}

.mathbook-content section h2 a {
    text-decoration: none;
}

.aside-like {
   padding: 8px 15px 10px 15px;
   margin: 5px 0px 5px 10px;
}

.aside-like {

    background-color: rgb(245,250,255);
    border: 2px solid rgb(220,235,250);
}

.aside-like .aside-like {

    background-color: rgb(250,255,245);
    border: 1px dotted #aaa;

}

.mathbook-content {
    margin: 0;
}

.mathbook-content .paragraphs .heading {
    display: inline;
}

.mathbook-content .paragraphs .heading .title:not(:empty):after {
    content: ".\2002";  /* en space */
}

.mathbook-content .paragraphs .heading + p {
    display: inline;
}

.mathbook-content .paragraphs .heading + p:after {
    content: "";
    display: block;
    margin-bottom: 1.25em;
}

/* the next are to avoid styping a p as inline, because
 * inline styling messes up the meaning of line-height.
 * */

.mathbook-content .paragraphs p .title {
    font-family: "PT Serif", "Times New Roman", Times, serif;
    font-size: 1.125em;
    font-weight: 700;
}

.mathbook-content .paragraphs p .title:after {
    content: ".\2002";
}

.mathbook-content .paragraphs p h5.heading {
    display: inline;
}

.mathbook-content section .paragraphs h5.heading {
    margin-top: 0;
}

.mathbook-content section .paragraphs {
    margin-top: 0em;
}

.mathbook-content section .paragraphs + .paragraphs {
    margin-top: 3em;
}

.mathbook-content h6 {
    line-height: 1em;
    margin-bottom: 0.5em;
}

.mathbook-content .sidebyside > p, .mathbook-content .sidebyside > figure, .mathbook-content .sidebyside > img, .mathbook-content .sidebyside > table, .mathbook-content .sidebyside > tabular, .mathbook-content .sidebyside > .paragraphs {
    display: inline-block;
    margin: 0;
}

.mathbook-content .sidebyside > figure:after {
     content:'';
}

.mathbook-content .sidebyside figcaption {
    font-weight: normal;
/*    padding-left: 5%;
 */
    padding-left: 1em; 
    padding-right: 0;
/*    padding-top: 20px;
 */
/*    margin-top:0.75em;
 */
    margin: 0.75em 0 0 0;
}

.mathbook-content .sidebyside figcaption .heading, .mathbook-content .sidebyside figcaption .codenumber {
    font-weight: 700;
}

.mathbook-content .sidebyside figcaption .heading:after {
    content: "\00a0";
}

.mathbook-content figcaption .codenumber{
    font-family: "PT Serif", "Times New Roman", Times, serif;
}
.mathbook-content .sidebyside figcaption .codenumber:after {
    content: ".\2002";  /* en space */
}

.mathbook-content .sidebyside figcaption .codenumber:last-child:after {
    display: inline;
    content: ". ";
}


.mathbook-content .sidebyside > p {
    width: 32%;
    vertical-align: top;
}

.mathbook-content .sidebyside > p.left, .mathbook-content .sidebyside > p.middle, .mathbook-content .sidebyside > p.right {
    vertical-align: middle;
}

.mathbook-content .sidebyside > p + img {
    vertical-align: middle;
}

.mathbook-content .sidebyside {
    margin-bottom: 20px;
}

.mathbook-content .sidebyside .sbsrow h5.sbsheader {
    margin-top: 0;
}

/*
.mathbook-content .sidebyside {
    text-align: justify;
}
*/

/* Deleted on 9/12/16 because it caused a blank line.
   Figure out when it was supposed to do, and do it another way.

.mathbook-content .sidebyside:after {
    display:inline-block;
    width:100%;
    content:'';
}
*/

.mathbook-content .sbsgroup {
    width: 100%;
}

.mathbook-content .sidebyside {
    width: 100%;
}

.mathbook-content .sbsrow {
    display: flex;
    justify-content: space-between;
}

/* Components of three types of "sbsrow" */

/* titles, totally centered text */
.mathbook-content .sbsheader {
/*
    display: flex;
*/
    text-align: center;
    justify-content: center;
}

/* containers of desired width for actual content */
.mathbook-content .sbspanel {
    display: flex;
    flex-direction: column;
}

/* fixed-width items are centered horizontally in their panel */
/* always used in conjunction with sbspanel                   */
.mathbook-content .fixed-width {
    align-items: center;
}

/* captions, centered until word-wrapped */
.mathbook-content .sbscaption {
/*
    display: flex;
*/
    justify-content: center;
}





table {
    border-spacing: 0;
}

/*
table {
    border-collapse: collapse;
}

table tr td {
    padding: 2px;
    padding-left: 5px;
    padding-right: 5px;
    font-size: 90%;
}
*/

.mathbook-content table tr td.l {
    text-align: left;
}
.mathbook-content table tr td.c {
    text-align: center;
}
.mathbook-content table tr td.r {
    text-align: right;
}
.mathbook-content table tr td.j {
    text-align: justify;
}
.mathbook-content table tr td.lines {
        white-space: nowrap;
}


.mathbook-content table tr td.t {
    vertical-align: top;
}
.mathbook-content table tr td.b {
    vertical-align: bottom;
}
.mathbook-content table tr td.m {
    vertical-align: middle;
}

.mathbook-content table tr td.vv {
    border-left: 2px solid #000;
    border-right: 2px solid #000;
}

.mathbook-content table tr td.vcv {
    border-left: 2px solid #000;
    border-right: 2px solid #000;
    text-align: center;
}

.mathbook-content table tr td.vcvv {
    border-left: 2px solid #000;
    border-right: 4px solid #000;
    text-align: center;
}

.mathbook-content table tr td.vlv {
    border-left: 2px solid #000;
    border-right: 2px solid #000;
    text-align: left;
}

.mathbook-content table tr td.vrv {
    border-left: 2px solid #000;
    border-right: 2px solid #000;
    text-align: right;
}

.mathbook-content table tr td.rv {
    border-right: 2px solid #000;
    text-align: right;
}

.mathbook-content table tr td.vr {
    border-left: 2px solid #000;
    text-align: right;
}

.mathbook-content table tr td.lv {
    border-right: 2px solid #000;
    text-align: left;
}

.mathbook-content table tr td.vl {
    border-left: 2px solid #000;
    text-align: left;
}
.mathbook-content table tr td.cv {
    border-right: 2px solid #000;
    text-align: center;
}

.mathbook-content table tr td.Xv {
    border-right: 2px solid #000;
    text-align: left;
}

.mathbook-content table tr td.vc {
    border-left: 2px solid #000;
    text-align: center;
}

.mathbook-content table tr td.hline {
    padding: 0;
}

.mathbook-content table tr td.hlinethick {

    padding-left: 0px;
    padding-right: 0px;

}

.mathbook-content table tr td.hline hr  {

    margin-top:0;
    margin-bottom:0;
    margin-left: -1px;
    margin-right: -1px;
    border: 1px solid rgb(0,0,0);

}

.mathbook-content table tr td.hlinethick hr  {

    margin-top:0;
    margin-bottom:0;
    margin-left: -1px;
    margin-right: -1px;
    border: 2px solid rgb(0,0,0);

}


.center table { 
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}


.mathbook-content table tr td.b1 {
    border-bottom: 1px solid #000;
}
.mathbook-content table tr td.b2 {
    border-bottom: 2px solid #000;
}
.mathbook-content table tr td.b3 {
    border-bottom: 3px solid #000;
}
.mathbook-content table tr td.b0 {
    border-bottom: none;
}

.mathbook-content table tr td.t1 {
    border-top: 1px solid #000;
}
.mathbook-content table tr td.t2 {
    border-top: 2px solid #000;
}
.mathbook-content table tr td.t3 {
    border-top: 3px solid #000;
}
.mathbook-content table tr td.t0 {
    border-top: none;
}

.mathbook-content table tr td.r1 {
    border-right: 1px solid #000;
}
.mathbook-content table tr td.r2 {
    border-right: 2px solid #000;
}
.mathbook-content table tr td.r3 {
    border-right: 3px solid #000;
}
.mathbook-content table tr td.r0 {
    border-right: none;
}


.mathbook-content table tr td.l1 {
    border-left: 1px solid #000;
}
.mathbook-content table tr td.l2 {
    border-left: 2px solid #000;
}
.mathbook-content table tr td.l3 {
    border-left: 3px solid #000;
}
.mathbook-content table tr td.l0 {
    border-left: none;
}

.mathbook-content table tr td p {
    margin-bottom: 0;
}

.mathbook-content table tr td p + p {
    margin-top: 1em;
}

.mathbook-content table + p {
    margin-top: 20px;
}

.mathbook-content table tr td span.decimal {
    float: left;
    text-align: right;
}

.mathbook-content table + article.theorem-like {
    margin-top: 1em;
}

.mathbook-content ol li p, .mathbook-content ul li p {
    margin-bottom: 0;
}

.mathbook-content ol li + li, .mathbook-content ul li + li {
    margin-top: 0.5em;
}

.mathbook-content ol li ol, .mathbook-content ol li ul,  .mathbook-content ul li ol, .mathbook-content ul li ul {
    margin-top: 0.5em;
}

.mathbook-content ol li p + p, .mathbook-content ul li p + p {
    margin-top: 1em;
}

.mathbook-content article h5.heading + dl {
    margin-top: 1em;
}

.mathbook-content dl dd p {
    margin-bottom: 0.5em;
}

.mathbook-content dl dd *:last-child {
    margin-bottom: 0;
}

.mathbook-content dl dt, .mathbook-content dl dd {
    margin-top: 1em;
}

.mathbook-content dl dt:first-of-type, .mathbook-content dl dd:first-of-type {
    margin-top: 0;
}

.mathbook-content .hidden-knowl-wrapper .hiddenproof h5 {
    margin-top: 0;
}

.mathbook-content .hidden-knowl-wrapper article {
    display: inline;
}

.mathbook-content .hidden-knowl-wrapper {
    margin-bottom: 1.5em;
}

.mathbook-content  .theorem-like + .hidden-knowl-wrapper {
    margin-top: -0.5em;
}   

.mathbook-content .hiddenproof > .heading::after {
    content: "."
}

.mathbook-content .hidden-knowl-wrapper h5 {
    display: inline;
}

.amathbook-content figure.figure-like {
    overflow: auto;
}
.mathbook-content figure.figure-like {
/*
    margin-left: 0;
    margin-right: 0;
*/
    margin-left: auto;
    margin-right: auto;
}
/*
.mathbook-content .sbscaption {
    width: 100%! important;
}
*/

.mathbook-content figure.figure-like figcaption {
    overflow: hidden;
}

/* need to fix this in the main CSS code */
.mathbook-content  .proof {
    padding-top: 0;
}

.mathbook-content .knowl p:last-of-type {
    margin-bottom: 0;
}

.mathbook-content .knowl-output .knowl-content {
    margin-bottom: 0.5em;
}

.mathbook-content tt {
    font-size: 1.4em;
    margin-left: 0.2em;
    margin-right: 0.2em;
}

.mathbook-content section .videolink a:link {
    background-size: 0;
    text-decoration: none;
}

.mathbook-content .exercise-like ol li table {
    margin-bottom: 0.5em;
}

.mathbook-content .exercise-like ol li + li {
    margin-top: 0.5em;
}

.mathbook-content section header .heading a.permalink {
    opacity: 0.1;
    color: #d00;
    font-size: 70%;
    text-decoration: none;
}

/*
.mathbook-content .heading a.permalink:after {
    content: "permalink";
    opacity: 0;
    font-size: 50%;
    font-weight:normal;
    font-family: sans-serif;
    text-decoration: none;
}
*/

.mathbook-content .heading a.permalink:hover {
    opacity: 1;
    color: #a32;
}

/*
.mathbook-content .heading a.permalink:hover:after {
    opacity: 1;
}
*/

.mathbook-content .heading a.permalink:focus {
    opacity: 1;
    color: #a32;
}
/*
.mathbook-content .heading a.permalink:focus:after {
    opacity: 1;
}
*/

.mathbook-content .indexitem {
    margin-top: 2px;
}

.mathbook-content .subindexitem {
    margin-left: 2em;
    font-size: 95%;
    margin-top: -1px;
}

.mathbook-content .subsubindexitem {
    margin-left: 3.5em;
    font-size: 95%;
    margin-top: -1px;
}

.mathbook-content .indexknowl {
    margin-left: 2em;
}

.mathbook-content .indexitem .indexknowl {
    font-size: 90%;
}

/*
.mathbook-content .indexitem a {
    font-size: 90%;
}
*/

.mathbook-content .indexitem [knowl], .mathbook-content .subindexitem [knowl], .mathbook-content .subsubindexitem [knowl] {
    padding-right: 2px;
    padding-left: 2px;
}

.mathbook-content .subindexitem .indexknowl {
    font-size: 95%;
}
.mathbook-content .subsubindexitem .indexknowl {
    font-size: 95%;
}

.mathbook-content .indexletter {
    margin-top: 1em;
    font-size: 170%;
    font-weight: bold;
}
.mathbook-content .indexletter {
    padding-top: 1.5em;
    margin-top: -0.5em;
}

.mathbook-content .indexknowl + .indexknowl{
    margin-left: 1em;
}

/*
.mathbook-content section #hk-exercise-essay article {
    display: inline;
}
*/

.mathbook-content .hidden-knowl-wrapper h5 {
    display: inline;
}
.mathbook-content h5 + .hidden-knowl-wrapper {
    display: inline;
}
.mathbook-content article .hidden-knowl-wrapper {
    display: inline;
}

.mathbook-content .incontext {
    display: block;
    font-size: 85%;
    text-align: right;
    margin-bottom: -0.5em;
}

.mathbook-content .terminology {
  font-style: italic;
  font-weight: bold;
}

:target {
    -webkit-animation: target-fade 10s 1;
    -moz-animation: target-fade 10s 1;
}

@-webkit-keyframes target-fade {
    0% { background-color: rgba(120,0,120,.3); }
    100% { background-color: inherit; }
}
@-moz-keyframes target-fade {
    0% { background-color: rgba(120,0,120,.3); }
    100% { background-color: inherit; }
}

/*
.mathbook-content .autoterm {
    display: inline;
}
*/

.mathbook-content .autoterm [knowl], .mathbook-content .autoterm [knowl]:after {
    font-weight: inherit;
    color: inherit;
    padding: 0;
    margin-bottom: inherit;
    border-bottom: inherit;
    border-bottom-color: inherit;
}

/*
.mathbook-content .autoterm [knowl]:hover {
    background: inherit;
    border-bottom: inherit;
}

.mathbook-content .autoterm [knowl]:hover {
    background: #eebbff;
    border-bottom: 1px dotted red;
}
*/

/*
.mathbook-content .autoterm .active[knowl] {
    background: inherit;
}
*/

.mathbook-content .autoterm [knowl]:hover {
    background: #ffddff;
    border-top: 2px dotted purple;
    border-bottom: 1px dotted red;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.has-sidebar-left #primary-navbar-sticky-wrapper .navbar-top-buttons .toolbar, .has-sidebar-left #primary-navbar .navbar-top-buttons .toolbar {
     border-right: 0;
}

#primary-navbar .toolbar.toolbar-divisor-3 > .toolbar-item:last-child, #primary-navbar-sticky-wrapper .toolbar.toolbar-divisor-3 > .toolbar-item:last-child {
    border-right: 1px solid #bababa;
}

.mathbook-content ol li.custom-list-style-type {
    list-style-type: none;
}

.mathbook-content ol li.custom-list-style-type:before {
     content: attr(label) "\00A0\00A0 ";
}

/* The dl should behave more like the default on a narrow screen,
 * with the term and definition on separate lines.
 */

.mathbook-content dl.description-list {
    margin-left: 0;
}

.mathbook-content dl.description-list dt {
    float: left;
    clear: left;
    text-align: right;
    width: 18ex;
}

.mathbook-content dl.description-list dd {
    margin-left: 22ex;
}

.mathbook-content dl.description-list dd:after {
    content: "";
    display: block;
    clear: left;
}

.mathbook-content dl.description-list-narrow {
    margin-left: 0;
}
.mathbook-content dl.description-list-narrow dt {
    float: left;
    clear: left;
    text-align: right;
    width: 8ex;
}
.mathbook-content dl.description-list-narrow dd {
    margin-left: 12ex;
}

/*
#toc ul li.listprefix {
    list-style-type: none;
    display: inline-block;
}

#toc ul li.listprefix:before {
     content: attr(label) "\00A0\00A0 ";
     display: inline-block;
}
*/

.mathbook-content .knowl .definition-like:last-child, .mathbook-content .knowl .theorem-like:last-child, .mathbook-content .knowl .remark-like:last-child, .mathbook-content .knowl .example-like:last-child, .mathbook-content .knowl .exercise-like:last-child, .mathbook-content .knowl .aside-like:last-child {
    margin-bottom: 0.3em;
}

.mathbook-content a {
    color: inherit;
}

/* to stop things being blue when rendering MathJax with SVG */
a.mjx-svg-href  {
    fill: inherit;
    stroke: inherit;
}

.floatnav {
    margin-top: 8px;
    margin-left: 50px;
}

.floatnav a {
    text-decoration: none;
    padding-left: 3px;
/*
 *  omitted, because we put a space in the source
    padding-right: 3px;
*/
    margin-right: -1px;
    color: inherit;
}

.floatnav a:hover {
    background: #eeaaff;
}

.mathbook-content .unselectable {  /* from Alex Jordan */
  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none;   /* Chrome/Safari/Opera */
  -khtml-user-select: none;    /* Konqueror */
  -moz-user-select: none;      /* Firefox */
  -ms-user-select: none;       /* Internet Explorer/Edge */
  user-select: none;           /* Non-prefixed version, currently
                                  not supported by any browser */
}

/* Adapted from William Hammond (attributed to David Carlisle) */
/* "mathjax-users" Google Group, 2015-12-27 */

.mathbook-content .latex-logo {font-family: "PT Serif", "Times New Roman", Times, serif;}

.mathbook-content .latex-logo .A {font-size: 75%; text-transform: uppercase; vertical-align: .5ex;
         margin-left: -.48em; margin-right: -.2em;}

.mathbook-content .latex-logo .E {vertical-align:-.5ex; text-transform: uppercase;
         margin-left: -.18em; margin-right: -.12em}

.mathbook-content .posterior {
    margin-bottom: 1.25em;
}

.mathbook-content .fillin {
    display: inline-block;
    border-bottom-style: solid;
    border-width: 1px;
    margin-right: 0.1em;
    margin-bottom: -0.25em;
}

.mathbook-content .exercisegroup {
    margin-bottom: 1.0em;
}
.mathbook-content .exercisegroup article.exercise-like p {
    margin: 0;
}
.mathbook-content .exercisegroup article.exercise-like .heading {
    margin: 0;
}
.mathbook-content .exercisegroup .conclusion .heading {
    margin-top: 0.5em;
}
.mathbook-content .exercisegroup .hidden-knowl-wrapper {
    margin: 0;
}
.mathbook-content .exercisegroup .exercise-like .heading + p:after {
    margin: 0;
}
.mathbook-content .exercisegroup .introduction .heading + p:last-child {
    margin-bottom: 0.5em;
}

/* for titles on APEX WW exercises, but should make sense for other exercises */
.mathbook-content .exercise-like .heading {
    font-weight: normal;
    font-size: inherit;
}

.mathbook-content .exercisegroup article.exercise-like {
    margin-left: 2em;
    margin-bottom: 0.5em;
}

.mathbook-content .exercisegroup article.exercise-like:not(:first-child) {
    margin-top: 0em;
}

.mathbook-content .exercisegroup article.conclusion {
    margin-left: 1.5em;
}


.mathbook-content .exercisegroup .exercisegroup-exercises {
    width: 100%;
    display:inline-flex;
    flex-direction:row;
    flex-wrap:wrap;
    justify-content:flex-start;
    align-items:flex-start;
    align-content:flex-start;
}

.mathbook-content .exercisegroup .exercisegroup-exercises.cols1 {
    display:inline;
}

.mathbook-content .exercisegroup .exercisegroup-exercises.cols1 .knowl-output {
    display: block;
}

.mathbook-content .exercisegroup .exercisegroup-exercises article.exercise-like {
    margin-top: 0;
}

.mathbook-content .exercisegroup .cols1 article.exercise-like {flex-basis: calc(100% - 2em);}
.mathbook-content .exercisegroup .cols2 article.exercise-like {flex-basis: calc(50% - 2em);}
.mathbook-content .exercisegroup .cols3 article.exercise-like {flex-basis: calc(33.33% - 2em);}
.mathbook-content .exercisegroup .cols4 article.exercise-like {flex-basis: calc(25% - 2em);}
.mathbook-content .exercisegroup .cols5 article.exercise-like {flex-basis: calc(20% - 2em);}
.mathbook-content .exercisegroup .cols6 article.exercise-like {flex-basis: calc(16.66% - 2em);}
/*
.mathbook-content .exercisegroup .cols3 article.exercise-like {flex-basis: calc(100% / 3 - 2em);}
.mathbook-content .exercisegroup .cols6 article.exercise-like {flex-basis: calc(100% / 6 - 2em);}
*/


.mathbook-content .code-inline,
.mathbook-content .code-block,
.mathbook-content .console {
    font-family: "Inconsolata", monospace;
}

.main .mathbook-content section  h5.heading {
    line-height: 1.125em;
}

.mathbook-content .sagecell_sessionOutput pre {
    font-family: 'Inconsolata';
}

.mathbook-content .sagecell {
    margin-bottom: 1.25em;
}

.mathbook-content .assemblage-like {
    border: solid 2px #1100AA;
    border-radius: 12px;
    padding: 10px;
    background-color: #f4f4fe;
}

.mathbook-content .assemblage-like .heading {
    margin-top: 0;
}

.mathbook-content .assemblage-like + .assemblage-like {
    margin-top: 3ex;
}

.mathbook-content .booktitle {
    font-style: oblique;
}

.mathbook-content .definition-like > h5.heading .type:last-child:after, .mathbook-content .theorem-like > h5.heading .type:last-child:after, .mathbook-content .remark-like > h5.heading .type:last-child:after, .mathbook-content .example-like > h5.heading .type:last-child:after, .mathbook-content .exercise-like > h5.heading .type:last-child:after, .mathbook-content .aside-like > h5.heading .type:last-child:after, .mathbook-content .definition-like > h5.heading .codenumber:last-child:after, .mathbook-content .theorem-like > h5.heading .codenumber:last-child:after, .mathbook-content .remark-like > h5.heading .codenumber:last-child:after, .mathbook-content .example-like > h5.heading .codenumber:last-child:after, .mathbook-content .exercise-like > h5.heading .codenumber:last-child:after, .mathbook-content .aside-like > h5.heading .codenumber:last-child:after, .mathbook-content .definition-like > h5.heading .title:last-child:after, .mathbook-content .theorem-like > h5.heading .title:last-child:after, .mathbook-content .remark-like > h5.heading .title:last-child:after, .mathbook-content .example-like > h5.heading .title:last-child:after, .mathbook-content .exercise-like > h5.heading .title:last-child:after, .mathbook-content .aside-like > h5.heading .title:last-child:after, .mathbook-content .definition-like > header > h5.heading .type:last-child:after, .mathbook-content .theorem-like > header > h5.heading .type:last-child:after, .mathbook-content .remark-like > header > h5.heading .type:last-child:after, .mathbook-content .example-like > header > h5.heading .type:last-child:after, .mathbook-content .exercise-like > header > h5.heading .type:last-child:after, .mathbook-content .aside-like > header > h5.heading .type:last-child:after, .mathbook-content .definition-like > header > h5.heading .codenumber:last-child:after, .mathbook-content .theorem-like > header > h5.heading .codenumber:last-child:after, .mathbook-content .remark-like > header > h5.heading .codenumber:last-child:after, .mathbook-content .example-like > header > h5.heading .codenumber:last-child:after, .mathbook-content .exercise-like > header > h5.heading .codenumber:last-child:after, .mathbook-content .aside-like > header > h5.heading .codenumber:last-child:after, .mathbook-content .definition-like > header > h5.heading .title:last-child:after, .mathbook-content .theorem-like > header > h5.heading .title:last-child:after, .mathbook-content .remark-like > header > h5.heading .title:last-child:after, .mathbook-content .example-like > header > h5.heading .title:last-child:after, .mathbook-content .exercise-like > header > h5.heading .title:last-child:after, .mathbook-content .aside-like > header > h5.heading .title:last-child:after {  
    content: ".\2009 ";
}

.mathbook-content a  .definition-like > h5.heading .type:last-child:after, .mathbook-content a  .theorem-like > h5.heading .type:last-child:after, .mathbook-content a  .remark-like > h5.heading .type:last-child:after, .mathbook-content a  .example-like > h5.heading .type:last-child:after, .mathbook-content a  .exercise-like > h5.heading .type:last-child:after, .mathbook-content a  .aside-like > h5.heading .type:last-child:after, .mathbook-content a  .definition-like > h5.heading .codenumber:last-child:after, .mathbook-content a  .theorem-like > h5.heading .codenumber:last-child:after, .mathbook-content a  .remark-like > h5.heading .codenumber:last-child:after, .mathbook-content a  .example-like > h5.heading .codenumber:last-child:after, .mathbook-content a  .exercise-like > h5.heading .codenumber:last-child:after, .mathbook-content a  .aside-like > h5.heading .codenumber:last-child:after, .mathbook-content a  .definition-like > h5.heading .title:last-child:after, .mathbook-content a  .theorem-like > h5.heading .title:last-child:after, .mathbook-content a  .remark-like > h5.heading .title:last-child:after, .mathbook-content a  .example-like > h5.heading .title:last-child:after, .mathbook-content a  .exercise-like > h5.heading .title:last-child:after, .mathbook-content a  .aside-like > h5.heading .title:last-child:after, .mathbook-content a  .definition-like > header > h5.heading .type:last-child:after, .mathbook-content a  .theorem-like > header > h5.heading .type:last-child:after, .mathbook-content a  .remark-like > header > h5.heading .type:last-child:after, .mathbook-content a  .example-like > header > h5.heading .type:last-child:after, .mathbook-content a  .exercise-like > header > h5.heading .type:last-child:after, .mathbook-content a  .aside-like > header > h5.heading .type:last-child:after, .mathbook-content a  .definition-like > header > h5.heading .codenumber:last-child:after, .mathbook-content a  .theorem-like > header > h5.heading .codenumber:last-child:after, .mathbook-content a  .remark-like > header > h5.heading .codenumber:last-child:after, .mathbook-content a  .example-like > header > h5.heading .codenumber:last-child:after, .mathbook-content a  .exercise-like > header > h5.heading .codenumber:last-child:after, .mathbook-content a  .aside-like > header > h5.heading .codenumber:last-child:after, .mathbook-content a  .definition-like > header > h5.heading .title:last-child:after, .mathbook-content a  .theorem-like > header > h5.heading .title:last-child:after, .mathbook-content a  .remark-like > header > h5.heading .title:last-child:after, .mathbook-content a  .example-like > header > h5.heading .title:last-child:after, .mathbook-content a  .exercise-like > header > h5.heading .title:last-child:after, .mathbook-content a  .aside-like > header > h5.heading .title:last-child:after {  
    content: "";
}

/* FOr exercises, etc, hidden in knowls */
.mathbook-content a  .definition-like > h5.heading .codenumber:not(:empty)::after, .mathbook-content a  .theorem-like > h5.heading .codenumber:not(:empty)::after, .mathbook-content a  .remark-like > h5.heading .codenumber:not(:empty)::after, .mathbook-content a  .example-like > h5.heading .codenumber:not(:empty)::after, .mathbook-content a  .exercise-like > h5.heading .codenumber:not(:empty)::after, .mathbook-content a  .aside-like > h5.heading .codenumber:not(:empty)::after, .mathbook-content a  .theorem-like > header > h5.heading .codenumber:not(:empty)::after, .mathbook-content a  .remark-like > header > h5.heading .codenumber:not(:empty)::after, .mathbook-content a  .example-like > header > h5.heading .codenumber:not(:empty)::after, .mathbook-content a  .exercise-like > header > h5.heading .codenumber:not(:empty)::after, .mathbook-content a  .aside-like > header > h5.heading .codenumber:not(:empty)::after {
    content: ": \2009";
}

.mathbook-content .hiddenproof > .heading .type:after, .mathbook-content .hiddenproof > header > .heading .type:after {
  content: "";
}

.mathbook-content .exercise-like > h5.heading .codenumber:not(:empty):after {
    content: ".\2009 ";
}


/* these failed to solve the problem of extra space to the left
 * of a knowl that starts a line 
 *
.mathbook-content [knowl] {
    padding-left: 0;
}
.mathbook-content [knowl]:hover {
    padding-left: 0;
}
.mathbook-content .active[knowl], .mathbook-content [knowl]:active {
    padding-left: 0;
}

.mathbook-content [knowl]::before {
    content: "\2002";
}


*/

/* these were put into the main scss

.mathbook-content .hidden-knowl-wrapper > [knowl], .mathbook-content .hidden-knowl-wrapper > [knowl]:hover, .mathbook-content .hidden-knowl-wrapper > .active[knowl] {
    padding-left: 2px;
    padding-right: 2px;
}

.mathbook-content .hidden-knowl-wrapper > [knowl]::after, .mathbook-content .hidden-knowl-wrapper > [knowl]:hover::after, .mathbook-content .hidden-knowl-wrapper > .active[knowl]::after {
    left: 1px;
}

.mathbook-content [knowl], .mathbook-content [knowl]:hover, .mathbook-content .active[knowl] {
    padding-left: 1px;
    padding-right: 2px;
}

.mathbook-content [knowl]::after, .mathbook-content [knowl]:hover::after, .mathbook-content .active[knowl]::after {
    left: 1px;
}

*/

/* these were taken from the local add-on.css.
 * need to check if the are needed.
 */

body, html body { background: #fff; }

figure {
    margin-top: 10px;
}

.mathbook-content img {
    display: inline-block;
    margin-left: auto;
    margin-right: auto;
}

.mathbook-content img.cs {

    display: block;
    margin-top: 20px;
    margin-bottom: 20px;
    margin-left: auto;
    margin-right: auto;
}

.mathbook-content img.cs.svg {
 /*   transform:  scale(1.3);
 */
}

img:not(.cs) {
    max-width: 550px;
}

.mathbook-content table tr td img {
    max-width: 200px;
    margin-right: 30px;
}

.mathbook-content table tr td.lines {
    	white-space: nowrap;
}

p+ img.cs {
    margin-top: 0;
}

figure img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    max-width: 550px;
}

figure img + img {
    margin-top: 30px;
}

figure.wrap img {
    width: 250px;
}

div.center img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    max-width: 550px;
}

div.center + div.center > img {
    margin-top: 60px;
}

div.center > img + img {
    margin-top: 60px;
}

figure table {
    margin-left: auto;
    margin-right: auto;
}

.caption {
    margin-top: 10px;
    margin-left: auto;
    margin-right: auto;
    font-size: 100%;
    text-align: center;
}


figure.wrap {
    float: right;
    margin-right: 0;
    margin-left: 30px;
}

figure figcaption.wrap {
    margin: 10px;
    font-size: 100%;
    text-align: center;
}

figure img.wrap {
    float: right;
    margin: 0;
}


.caption .counter:after { content: " ";}

/* above repeated for captions outside figures */

.caption .heading {
    font-weight: bold;
}

.caption .heading:after { content: " ";}

.caption .counter {
    font-weight: bold;
}

figcaption .counter:after { content: " ";}

div.quote {
    padding-left: 40px;
    padding-right: 10px;
    margin-bottom: 1em;
}

.minipage  + .minipage {
    display: inline-block;
}

code.inline {
    background: none;
    border: none;
}

/* sup knowls are used for footnotes */
sup [knowl] {
    padding: 0px 0px 0px 3px;
}

sup .active[knowl] {
    padding: 0px 0px 0px 3px;
}

sup [knowl]:hover {
    padding: 0px 0px 0px 3px;
}

.mathbook-content .proof > .heading:after {
    content: ".";
}

/* new "L" styling for definitions, theorems, etc 
 */

/* in main css
article.proof {
    padding-right: 1.25em;
    border-right: 1px dotted #aaa;
}

article.proof:after {
    content:'';
    border-bottom: 1px dotted #aaa;
    display: block;
    margin-left: auto;
    margin-right: -1.25em;
    width: 1.5em;
}
*/

figure pre.prettyprint {
    margin-top: 0;
    padding-left: 15px;
    border-left: 1px solid #aaa;
}

figure pre.prettyprint:before {
    content:'';
    border-top: 1px solid #aaa;
    display: block;
    margin-right: auto;
    margin-left: -15px;
    padding-bottom: 0.25em;
    width: 2.5em;
}


article.example-like {
    padding-left: 6px;
    border-left: 1px solid #569;
}

article.example-like:after {
    content:'';
    border-bottom: 1px solid #569;
    display: block;
    margin-right: auto;
    margin-left: -6px;
    padding-top: 0.25em;
    width: 1.5em;
}

.mathbook-content article.example-like > *:last-child {
    margin-bottom: 0;
}
.mathbook-content article.example-like > *:last-child::after {
    margin-bottom: 0;
}
.mathbook-content article.example-like + .posterior {
    margin-top: -0.75em;
}

.mathbook-content article.proof > *:last-child {
    margin-bottom: 0;
}
.mathbook-content article.proof > *:last-child::after {
    margin-bottom: 0;
}

article.definition-like {
    padding-right: 6px;
    border-right: 2px solid #956;
}

article.definition-like:after {
    content:''; 
    border-bottom: 2px solid #956;
    display: block;
    margin-left: auto;
    margin-right: -6px;
    padding-top: 0.25em;
    width: 1.5em;
}

.mathbook-content article.definition-like *:last-child {
    margin-bottom: 0;
}
.mathbook-content article.definition-like *:last-child::after {
    margin-bottom: 0;
}

article.theorem-like {
    padding-right: 6px;
    border-right: 1px solid #66a;
}

article.theorem-like:after {
  content:'';  
border-bottom: 1px solid #66a;
  display: block;
  margin-left: auto;
  margin-right: -6px;
    padding-top: 0.25em;
  width: 1.5em;
}

.mathbook-content article.theorem-like *:last-child { 
    margin-bottom: 0;
}
.mathbook-content article.theorem-like *:last-child::after {
    margin-bottom: 0;
}

article.remark-like {
    padding-right: 6px;
    border-right: 1px solid #aaa;
}

article.remark-like:after {
  content:'';
border-bottom: 1px solid #aaa;
  display: block;
  margin-left: auto;
  margin-right: -6px;
    padding-top: 0.25em;
  width: 1.5em;
}

.mathbook-content article.remark-like *:last-child {
    margin-bottom: 0;
}
.mathbook-content article.remark-like *:last-child::after {
    margin-bottom: 0;
}

.mathbook-content article.aside-like *:last-child {
    margin-bottom: 0;
}
.mathbook-content article.aside-like *:last-child::after {
    margin-bottom: 0;
}
.mathbook-content .aside-like {
    margin-bottom: 1.25em;
}


/* borders above should not appear in a knowl ref 
   or when the example is created as a knowl */

.knowl article.example-like {
    padding-left: 0;
    border-left: none;
}
a > article.example-like {
    padding-left: 0;
    border-left: none;
}

.knowl article.example-like:after {
  content:'';
  border-bottom: none;
  display: inline;
  margin-left: 0;
  margin-right: 0;
  width: 0;
}
a > article.example-like:after {
  content:'';
  border-bottom: none;
  display: inline;
  margin-left: 0;
  margin-right: 0;
  width: 0;
}

/*  this is helpful in a knowl
.knowl figure pre.prettyprint {
    padding-left: 15px;
    border-left: none;
}

.knowl figure pre.prettyprint:before {
    content:'';
    border-top: none;
    display: block;
    margin-right: 0;
    margin-left: 0;
    padding-bottom: 0;
    width: 0;
}
*/

.knowl article.definition-like {
    padding-right: 0;
    border-right: none;
}

.knowl article.definition-like:after {
  content:'';  
  border-bottom: none;
  display: inline;
  margin-left: 0;
  margin-right: 0;
  width: 0;
}

.knowl article.theorem-like {
    padding-right: 0;
    border-right: none;
}

.knowl article.theorem-like:after {
  content:'';
  border-bottom: none;
  display: inline;
  margin-left: 0;
  margin-right: 0;
  width: 0;
}

.knowl article.remark-like {
    padding-right: 0;
    border-right: none;
}

.knowl article.remark-like:after {
  content:'';
  border-bottom: none;
  display: inline;
  margin-left: 0;
  margin-right: 0;
  width: 0;
}

/*
article.exercise-like span.hint {
}
*/

.mathbook-content article.exercise-like .hint [knowl]{
    font-weight: lighter;
}

.mathbook-content .exercise-like .hint {
    display: block;
    margin-top: -0.75em;
}

.mathbook-content .exercise-like .introduction {
    display: inline;
}
.mathbook-content .exercise-like .introduction .heading {
    display: inline;
}
.mathbook-content .exercise-like .introduction p {
    display: inline;
}
.mathbook-content .exercise-like .introduction::after {
    content: "";
    display: block;
    margin-bottom: 0.5em;
}

/*
.mathbook-content .example-like .hint {
}
*/

.example-like, .exercise-like {
  margin: 1.25em 0;
}

/* if hants and solutions are in .posterior, then
 * some of the above styling does not apply */

.mathbook-content article.exercise-like + .posterior {
    margin-top: -0.75em;
}


.mathbook-content article.example-like .hint {
    display: block;
    margin-top: -0.75em;
}

.mathbook-content article.example-like .hint [knowl]{
    font-weight: lighter;
}