.wlsite-section-main .copydiv {
    width: 500px;
    color: #595959;
}
.wlsite-section-main .readMoreButton {
    font-family: "Source Sans Pro", Arial, sans-serif;
    font-size: 15px;
}

#wlsite main .indexBodyCopy a,
#wlsite main .indexBodyCopy a {
    color: #d84b00;
}
#wlsite main .indexBodyCopy a:hover,
#wlsite main .indexBodyCopy a:hover {

    color: #f97b00;
}

/*
#wlsite main span.special-character.OpenCurlyDoubleQuote {
   white-space: nowrap;
   overflow-wrap: normal;
   background: red;
   margin-right: -3px!important;
}
*/

/* Next section button */
body:not(.dark) main .next-section-button {
    margin: 2em 0 0 0;
}
body:not(.dark) main .next-section-button {
    margin: 2.5em 0 2.5em 0;
    background: #f97b00;
    color: white;
    text-transform: uppercase;
    font-family: 'Source Sans Pro';
    padding: 5px 0px 5px 12px;
    font-size:.8rem;
    letter-spacing:.03em;
    display: inline-block;
    height: 28px;
    cursor: pointer;
}
body:not(.dark) main .next-section-button:hover {
    background: #ff942b;
    color: white;
}
body:not(.dark) main .next-section-button svg .st1 {
    fill: white;
}
body:not(.dark) main .next-section-button svg {
    width:20px;
    height:20px;
}
.tb-meta-footer {
    margin: 1rem 0 5rem;
}


#wlsite main #answers-to-exercises .AnswerKeyNumberedSection {
    display: block;
    margin: 60px 0 20px 0px;
}
#wlsite main #answers-to-exercises .AnswerKeyNumberedSection span {
    padding-right: 10px;
    border-right: 1px solid #ccc;
    margin-right: 10px;
}
#wlsite main #answers-to-exercises .AnswerKeyExerciseNumber {
    padding: 0.5rem 0 0.5rem 10px;
}

#wlsite.wlsite main nav {display:block; z-index:100;  height: 100%; }
/*
#wlsite.wlsite main header {display: block; min-width: 1140px;}
*/
#wlsite.wlsite .eiwl-header-title a.nav-header-link ,
#wlsite.wlsite .eiwl-header-title a.nav-header-link:hover {
    color: #fff;
}
#wlsite.wlsite .eiwl-header-title {
    font-size: 26px;
    font-family: 'Source Sans Pro';
    font-weight: 400;
    color: #fff;
    line-height: 24px;
}
#wlsite.wlsite .eiwl-header-title .author-name {
    font-weight: 400;
    text-transform: uppercase;
    font-size: 22px;
}
#wlsite.wlsite .eiwl-header-title .edition-text {
    font-weight: 200;
    text-transform: uppercase;
    font-size: 22px;
    display: inline-block;
    padding-left: 14px;
}

footer#_footer {
   display:none;
}

.wlsite-tb-body-copy .Input img, 
.wlsite-tb-body-copy .Output img {
    margin: 0;
}

#glossary > article > div > p:nth-child(1) > em {
    color: #979797;
}
section#glossary article.wlsite-tb-body-copy h3 {
    color: #4c8a99;
    font-weight: 600;
    font-size: 1rem;
    margin: 1.2rem 0 0 0;
    padding: 1.2rem 0 0 0;
}
section#glossary article.wlsite-tb-body-copy p {
    font-size: 1rem;
    margin: 0.5rem 0 1rem 0;
}

#wlsite .show-nav {
    display: block;
    height: 100%;
    top: 107px; }


#hero-image {
    margin: 1.25rem 0 0 0;
}
/*
#hero-image img {
    margin: 0;
    max-width: 90%;
}
*/
#hero-image img {
    width: 100%;
    max-width: 800px;
}

.tb-pager-col {
    width: 100%;
    column-count: 1;
/*
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
*/
}
.tb-pager-col .tb-pager {
    width: 100%;
/*    max-width: 400px; */
/*
    flex-direction: column;
    flex-basis: 45%;
*/
}
@media all and (max-width:1100px) {
    .tb-pager-col {
        column-count: 1;
    }
    #wlsite a .header-title, 
    #wlsite a:link .header-title, 
    #wlsite .header-title {
        font-size: 18px; 
    }
/*
    .tb-pager-col .tb-pager {
        flex-basis: 100%;
    }
*/
}

/*
#all-encompassing section, #all-encompassing header {
    width: inherit !important;
}
*/

#book-index .wlsite-tb-body-copy #next-section-button {
    display: none;
}
#book-index .wlsite-tb-pagination.wlsite-tb-pagination-right a {
    visibility: hidden;
}
#abstract .wlsite-tb-heading span,
#annotated-bibliography .wlsite-tb-heading span,
#glossary .wlsite-tb-heading span,
#graphical-key .wlsite-tb-heading span,
#notes-and-thanks .wlsite-tb-heading span,
#some-personal-history-the-evolution-of-these-ideas .wlsite-tb-heading span,
#-some-personal-history-the-evolution-of-these-ideas .wlsite-tb-heading span {
    display: none;
}


.special-character.LongEqual {
    font-family: "Mathematica";
    padding: 0 2px !important;
}

.Annotation, .AnnotationFirst, .Citation {
    background: #ffffff;
    font-family: "Source Serif Variable", Georgia, serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.4;
    margin: 0;
    min-height: 100%;
    font-variant-ligatures: no-common-ligatures;
/*
    width: 100%;
*/
}
.Annotation {
    font-style: italic;
    margin: 12px 0 6px 0;
}
.AnnotationFirst {
    font-style: italic;
    margin: 18px 0 6px 0;
}

.Citation {
    margin: 0 0 6px 1em;
}


#wlsite .wlsite-side-nav-prime-content {
    margin-bottom: 20px;
}
.wlsite-tb-page-running-head-title .running-current {
    display: none;
}
.wlsite-tb-page-running-head .wlsite-tb-page-running-head-title:after {
    content: '\203A';
    margin-right: 3pt;
    opacity: 0.7
}


body:not(.dark) main h1 span {
    color: #979797;
    display: block;
/*
    font-size: 1.25rem;
    font-style: italic;
*/
    font-weight: 300;
}

body:not(.dark) main a {
/*    color: #4c8a99; */
}
a:not([href]) {
     cursor: auto;
}


section .wlsite-tb-heading span:empty, 
section#what-we-havent-discussed .wlsite-tb-heading span {
    display: none;
}


#wlsite a .header-title,
#wlsite a:link .header-title,
#wlsite .header-title {
    color: #fff;
/*    font-family: "Fira Sans", "Roboto", "Helvetica Neue", Arial, sans-serif; */
    font-size: 1.15rem;  
    font-weight: 600;
    line-height: 22px;
    text-transform: uppercase;
display:flex;
}

#wlsite a.link {
    font-family: "Source Sans Pro", Arial, sans-serif;
}
/*
#wlsite .clipboard-cell .clipboard-num {
    font-style:oblique;
}
#wlsite .clipboard-cell .clipboard-num span {
    padding: 2px 0 0 1px;
}
*/
#wlsite span.IM img {
/*    transform: scale(2.8); */
}
#wlsite a.inactive {
    cursor: inherit;
    color: #DDD;
}

h1.wlsite-tb-heading {
/*   font: 40px/42px "Source Sans Pro", Arial, sans-serif; */
   font-size: 40px;
   font-family: "Source Sans Pro", Arial, sans-serif;
   color: #E6690D;
/*
   font-size: 2.5rem;
   color: #4c8a99 !important;
   font-size: 2.75rem;
   font-size: 2.75rem;
*/
   border: none;
   font-weight: 300;
}
.wlsite-tb-body-copy h3.Subsection,
.wlsite-tb-body-copy h4.Subsubsection {
   color: #DD7600 !important;
   border: none;
}
h3.Subsection {
   margin-top: 1.5rem;
}
/*section.wlsite-tb-page h1.wlsite-tb-heading span {*/
div.wlsite-tb-page-running-head { 
   display: none; 
}
/*
#wlsite .tb-meta-footer {
   border: none;
}
#wlsite .tb-meta-footer li {
   display: none;
}
*/
#wlsite span.IM img {
    padding: 0;
    margin: 0;
}
/*
#wlsite .clipboard-input .clipboard-cell {
    vertical-align: middle;
    padding-top: 0;
    padding-bottom: 0;
display: none;
}
#wlsite .clipboard-output .clipboard-cell {
    vertical-align: middle;
    padding-top: 0;
    padding-bottom: 0;
}
*/

#wlsite a.anchortag {
    cursor: inherit;
}

#wlsite nav.site ul li.goToPageClass {
/*
    bottom: 0;
    position: fixed;
*/
    width: inherit;
    background: #ddd;
    color: #888;
    font-size: 13px;
    background: #ddd;
    padding: 7px 2px 7px 10px;
}
#wlsite input#goToPageInput {
    margin: 0 10px 0 3px;
    font: 11px;
}
#wlsite .DialogElementName {
   font-weight: 600; 
   font-family: "Source Sans Pro", Arial, sans-serif;
}
#wlsite .cell-none img,
#wlsite .InlineMathCell img,
#wlsite .InlineMath img {
   padding: 0;
   margin: 0;
}
#wlsite span.InlineCode {
   font-weight: 500; 
/*   font-weight: 600; */
   font-family: "Source Sans Pro", Arial, sans-serif;
/*   font-size: 1.02rem; */
}

#wlsite span.InlineMathCell {
    white-space: nowrap !important;
}

#wlsite span.InlineMath {
/*
    font-family: "Times New Roman", Times, serif;
    font-style: italic;
*/
    font-weight: 400;
    font-size: 1rem;
    line-height: 1.1;
/*
    padding: 0 0 0 0.08rem;
*/
}
#wlsite .KeyEventL {
    padding: 0px 3px 0px 3px;
    background: #eee;
    font-weight: 400;
    font-size: 0.9rem;
    border: 1px solid #ddd;
    border-bottom-left-radius: 6px;
    border-top-left-radius: 6px;
}
#wlsite .KeyEventR {
    padding: 0px 3px 0px 3px;
    background: #fff;
    font-weight: 400;
    font-size: 0.9rem;
    border: 1px solid #ddd;
    border-bottom-right-radius: 6px;
    border-top-right-radius: 6px;
}
#wlsite p span.IF img {
   margin: 0;
   padding:0;
}
#wlsite .InlineOutput img {
   margin: 0;
   padding:0;
}



/* BOOK STYLES */
.ExerciseSection, .MoreExploreSection, .TechNoteSection, .QASection, .VocabularySection { font-family: "Source Sans Pro", Arial, sans-serif;
	font-size:20px; 
    margin: 50px 0 12px 0; 
    background-color: #FFFFFF; 
    padding: 10px 10px 6px 0; 
    color: #DD7600; 
    font-style: italic; 
/*    font-weight: 400;  */
    border-top: solid 4px #DA6D10;
}
.ExerciseSection a, .MoreExploreSection a, .TechNoteSection a, .QASection a, .VocabularySection a, .OtherResourcesSection a { color: #DD7600; }

#wlsite .ExerciseSubsection, .ExerciseSubsectionSM {
    color: #111;
    padding: 0;
    font-size: 0.9rem;
    margin-top: 18px;
    font-weight: 500;
}
#wlsite .MoreExploreSubsection, .TechNoteSubsection, .QASubsection {
    font-family: "Source Sans Pro", Arial, sans-serif;
    color: #DD7600;
    margin: 12px 0 3px 0;
    background-color: #FFFFFF;
    padding: 0;
    color: #DD7600;

    padding: 0;
    font-style: italic;
    font-size: 1.0rem;
    font-weight: 400;
}
.VocabularySubsection, .VocabularySubsectionSM {
    font-size: 1.0rem;
/*    font-style: italic; */
    color: #DD7600;
    margin: 20px 0 6px 0;
    padding: 0;
}
#wlsite .VocabularySubsectionSM {
   font-size: 0.9rem;
   font-weight: 600;
}
.TechNote, .TechNoteNoDingbat {
/* 
   margin: 10px 0px 10px 0; 
   font: 14px/22px "Source Sans Pro", Arial, sans-serif; 
*/ 
}

#wlsite main .TechNoteList {
   margin: 10px 0 0 -20px; 
   list-style-type:square; 
   list-style:square; 
}
#wlsite main .TechNoteList li.TechNote {
   font: 15px/19px "Source Sans Pro", Arial, sans-serif;
   list-style:square; 
   margin: 10px 50px 10px 40px;
   display: list-item;
}

.MoreExplore  {
   margin: 10px 50px 10px 0; 
   font: 15px/19px "Source Sans Pro", Arial, sans-serif; 
}
.Exercise {
/*
   margin: 10px 10px 10px 10px; 
   font: 15px/19px "Source Sans Pro", Arial, sans-serif; 
   padding-left: 35px;
   text-indent: -35px;
*/
}
.ExerciseNumber {
   color: #DD7600;
   padding-right: 10px;
   width: 40px;
   text-align: right;
   display: inline-block;
}
#wlsite .Exercise a.link,
#wlsite .Exercise .InlineCode {
   font-weight: 500;
}
.MoreExploreShortURL {font: 15px/19px "Source Sans Pro", Arial, sans-serif; }
.VocabularyTable, .VocabularyTable3Column {
   margin: 0; 
   border-spacing:0px; 
   font-size: 13px; 
   font-weight:400; 
   color:#666; 
}
.VocabularyTable table, .VocabularyTable3Column table {
   border-collapse:collapse; 
   width: 100%;
}
.VocabularyTable table tbody tr td, 
.VocabularyTable3Column table tbody tr td {
   padding: 10px 6px 10px 0; 
   border-bottom: 1px solid #aaa; 
   border-top: 1px solid #aaa; 
   height:28px; 
   font-size:12px; 
   font-weight: 400;
}
.VocabularyTable thead tr th:first-child,
.VocabularyTable tbody tr td:first-child {
  width: 13em;
  min-width: 13em;
  max-width: 13em;
  word-break: break-all;
}
/* .VocabularyTable table tbody tr td .InlineCode, .VocabularyTable3Column table tbody tr td .InlineCode { color:#999; } */
.VocabularyTable table tbody tr td:first-child {font-weight:600; color:#666;}
.VocabularyText a, .VocabularyText a:link, .VocabularyText a:visited {color:#999; }
.VocabularyTable a, .VocabularyTable a:link, .VocabularyTable a:visited {color:#999; }
.VocabularyTable3Column a, .VocabularyTable3Column a:link, .VocabularyTable3Column a:visited {color:#999; }
.VocabularyTable tr td img, .VocabularyTable3Column tr td img {vertical-align: middle;}
/*
.VocabularyTable table tr.lineAbove td {
   border-top: 1px solid #DD7600; 
}
*/
.TakeawaysSection {
   background: #DD7600;
    padding: 10px 18px;
    color: #fff;
    margin: 40px 0 0 0;
    font-weight: 600;
    font-size: 0.9rem;
}
.TakeawaysTable {
background: #FFEFDB;
    padding: 14px;
}
.TakeawaysTable table {
   border-spacing: 5px 4px;
   border-collapse: separate;
}
.TakeawaysTable table td {
   vertical-align: baseline;
}
.TakeawaysDingbat {
    color: #DD7600;
    font-size: 11px;
    line-height: 18px;
}
.TakeawaysText {
    font-size: 13px;
    line-height: 18px;
}


.tocSectionLink {
    padding: 7px 2px 7px 24px;
}
.sidebar-open-button, .sidebar-close-button {  
    display:none;
    color: #ffffff;
    background: #ebebeb;
    height: 30px;
/*
    position: fixed;
    top: 119px;
*/
}
#hide-sidebar-button {
    width: 13px;
    height: 13px;
}
.tocSectionNumber {
    padding-right: 5px;
    margin-right: 5px;
    display: inline-block;
    width: 20px;
    text-align: right;
/*    border-right: 1px solid #F7D2AE; */
    border-right: 2px solid #ccc; /* #406082; */ 
/* sw -> jeremy */
/* lighter text color and font weight for section # */
    font-weight: 400;
/*    color: #666; */
}
/* darker text */
.wlsite main nav ul li a, 
.wlsite main nav ul li a:link, 
.wlsite main nav ul li a:visited {
    color: #333;
}

}

.sidebarSubsectionLink img { width:17px }
#wlsite nav.site {
    width: inherit;
    z-index: 100;
    top: 154px;
    bottom: 0;
    position:fixed;
    overflow-y: auto;
    overflow-x: hidden;
    background-color: #eee; /* #172942; #f3f3f3; */
    word-spacing: .05em;
}

nav.site ul li:nth-child(1) a,
nav.site ul li:nth-child(2) a,
nav.site ul li:nth-child(15) a,
nav.site ul li:nth-child(16) a,
nav.site ul li:nth-child(1) a:link,
nav.site ul li:nth-child(2) a:link,
nav.site ul li:nth-child(15) a:link,
nav.site ul li:nth-child(16) a:link
{
    font-weight: 400 !important;
}

nav.site ul li:nth-child(1) 
{
    font-style: italic;
}

#wlsite nav.site ul {
    margin: 0;
    padding: 0 0 50px 0;;
}

#wlsite nav.site ul li {
    list-style-type: none;
    background: transparent;
    padding: 0;
    border-bottom: 1px solid #e1e1e1; /*#0D1929;  #335480; #E1E1E1; */ 
    line-height: 18px;
/*	
border-bottom: none; 
border-right: 1px solid #d5d5d5; 
border-left: none; 
*/
    font-size: 13px;
    font-weight: 400;
    font-family: "Source Sans Pro", Arial, sans-serif; 
}
#wlsite nav.site ul li .tocFrontmatterLink {
    font-weight: 400;
}
#wlsite nav.site ul li a, 
#wlsite nav.site ul li a:link, 
#wlsite nav.site ul li a:visited,
nav.site ul li a, 
nav.site ul li a:link, 
nav.site ul li a:visited {
    display:block;
    color: #666; /* #a2bde1; */ 
    padding: 7px 2px 7px 35px;
    text-indent: -25px;
    font-weight: 600;
    width: inherit;
    border-right: 0;
}
#wlsite nav.site ul li a:hover {
    background: #e6e6e6; /*#334E74; */
    color: #5BB2A6; /* #DA6D10; */
}
#wlsite nav.site ul li a.selected {
    background: #ed8d45; /* #F97B00; */
    color: #fff;
/*     border: 1px solid #25B0A6; */ 
    padding: 7px 2px 7px 10px;

/*	width: 258px; */
    width: inherited; /* 263px; */
    border-right: 0;
}
#wlsite nav.site ul li.topic-category .topic-category {
    padding: 7px 2px 7px 0;
}
#wlsite nav.site ul li.topic-category,
#wlsite nav.site ul li.topic-category:hover {
    background: #333;
    color: #fff;
    font-weight: 600;
    padding: 5px 0 5px 20px;
}
#wlsite .sidebarHamburger {
/*
    display: none; 
    position: relative;
    padding: 0 0 6px 0;
    height: 100%;
*/
    display: none; 
    position: relative;
    padding: 0 0 4px 0;
    height: 55px;
    left: auto;
    top: auto;
    z-index:1;
    margin: auto 15px auto 15px;
    align-items: center;
}

#wlsite .sidebarHamburger:hover {
    cursor: pointer;
}
.sidebarHamburger #showSidebar img {
    width: auto;
    height: 18px;
}
.sidebarHamburger #showSidebar:hover {
    cursor: pointer;
}
    
#wlsite.wlsite main .sidebarwrapper {
    display: block;
}

#wlsite.wlsite main .sidebar {
    position: fixed;
    top: 177px;
    bottom: 0;
}

.sidebar, .sidebar-wrapper {
    /* display: block; */
/*
    width: 276px;
    position: fixed;
    top: 124px;
    bottom: 0;
    left: 0;
    z-index: 10;
*/
}
.sidebarbuttonclose, .sidebar-button-close img {
    vertical-align: top;
}
.sidebarbuttonclose, .sidebar-button-close {
    width: 100%;
    position: absolute;
    padding: 7px 7px 5px 7px;
    text-align: right;
    background: #ddd;
    z-index: 100;
    top: 0;
    height: 30px;
}
#intro-to-wl-header div.inner {
/*    position: fixed; */
    margin: 0;
    max-width: inherit;
    width: 100%;
    z-index: 5;
/*    padding-right: 0; */
display:flex;
/*
    padding: 12px 0 4px 30px;
    background-color: #81b4bb;
    height: 70px;
    border-bottom: 3px solid #598A90;
*/
    padding: 14px 0 1px 20px;
/*
    background: #F97B00;
    border-bottom: 4px solid #D55D05;
*/
}
#intro-to-wl-header {
/*    background-color: #81b4bb; */
    height: 77px;
    z-index: 5;
    position: fixed;  
/*    position: relative;  */
/*    top: 100px; */
/*    top: 42px; */
/*    margin: 42px 0 0 0; */
    padding: 0 !important;
    z-index: 1;
    background: #F97B00;
    border-bottom: 3px solid #D55D05;
    width: 100vw;
display: block;
}
#intro-to-ml .inner {
    margin: 0 auto;
    max-width: 70rem;
    padding: 1rem 2rem;
}
#wlsite .prevnext .previous-page, 
#wlsite .prevnext .next-page {
    width: 30px;
    text-align: center;
    margin-right: 10px;
}
#wlsite .prevnext {
    display: inline-flex; 
    display: none; 
    margin: 0 23px 0 44px;
    float: right;
    margin-top: 2px;
    line-height: 42px;
    margin-right: 60px;
}
#intro-to-ml header .inner {
    margin: 0;
    max-width: inherit;
    padding-right: 0;
}
#intro-to-ml .inner {
    margin: 0 auto;
    max-width: 70rem;
    padding: 1rem 2rem;
}
#intro-to-ml main .inner img, #intro-to-wl-header img {
    height: auto;
    max-width: 100%;
}
body:not(.dark) main a:hover {
    color: #5BB2A6;
}
#wlsite .wlsite-tb-pagination a:hover {
    background-color: #D55D05;
}
footer#copyright {
   margin: 0;
   padding: 0;
   font-size: 12px;
}
/*
#wlsite main .NewCheckYourAnswers, 
*/
#wlsite main .NewCheckYourAnswers a.link:hover, 
#wlsite main .NewCheckYourAnswers a:hover {
    background: #f97b00; color:#ffffff; 
}






/*  Wolfram Physics Project: Technical Introduction styles

 requires:  /common/framework/css/framework.en.css
            /common/templates/www.wolframphysics.org/css/global.css.en
========================================================================== */
/*
@font-face {
    font-family: 'Fira Sans';
    font-style: normal;
    font-weight: 300;
    font-display: auto;
    src: local("Fira Sans Light"), url("fira/FiraSans-Light.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Sans';
    font-style: italic;
    font-weight: 300;
    font-display: auto;
    src: local("Fira Sans Light Italic"), url("fira/FiraSans-LightItalic.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Sans';
    font-style: normal;
    font-weight: 400;
    font-display: auto;
    src: local("Fira Sans"), url("fira/FiraSans-Regular.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Sans';
    font-style: italic;
    font-weight: 400;
    font-display: auto;
    src: local("Fira Sans Regular Italic"), url("fira/FiraSans-Italic.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Sans';
    font-style: normal;
    font-weight: 500;
    font-display: auto;
    src: local("Fira Sans Medium"), url("fira/FiraSans-Medium.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Sans';
    font-style: italic;
    font-weight: 500;
    font-display: auto;
    src: local("Fira Sans Medium Italic"), url("fira/FiraSans-MediumItalic.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Sans';
    font-style: normal;
    font-weight: 600;
    font-display: auto;
    src: local("Fira Sans Semibold"), url("fira/FiraSans-SemiBold.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Sans';
    font-style: italic;
    font-weight: 600;
    font-display: auto;
    src: local("Fira Sans Semibold Italic"), url("fira/FiraSans-SemiBoldItalic.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Sans';
    font-style: normal;
    font-weight: 700;
    font-display: auto;
    src: local("Fira Sans Bold"), url("fira/FiraSans-Bold.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Sans';
    font-style: italic;
    font-weight: 700;
    font-display: auto;
    src: local("Fira Sans Bold Italic"), url("fira/FiraSans-BoldItalic.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Sans';
    font-style: normal;
    font-weight: 800;
    font-display: auto;
    src: local("Fira Sans Extra Bold"), url("fira/FiraSans-ExtraBold.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Sans';
    font-style: italic;
    font-weight: 800;
    font-display: auto;
    src: local("Fira Sans Extra Bold Italic"), url("fira/FiraSans-ExtraBoldItalic.woff2") format("woff2");
    unicode-range: U+000-5FF
}

@font-face {
    font-family: 'Fira Mono';
    font-style: normal;
    font-weight: 400;
    font-display: auto;
    src: url("fira/FiraMono-Regular.woff2") format("woff2");
    unicode-range: U+000-5FF
}
*/
/*
@font-face {
    font-family: 'Source Serif Variable';
    font-weight: 200 900;
    font-style: normal;
    font-stretch: normal;
    src: url("source-serif/SourceSerifVariable-Roman.ttf.woff2") format("woff2"), url("source-serif/SourceSerifVariable-Roman.ttf.woff") format("woff"), url("source-serif/SourceSerifVariable-Roman.ttf") format("truetype")
}

@font-face {
    font-family: 'Source Serif Variable';
    font-weight: 200 900;
    font-style: italic;
    font-stretch: normal;
    src: url("source-serif/SourceSerifVariable-Italic.ttf.woff2") format("woff2"), url("source-serif/SourceSerifVariable-Italic.ttf.woff") format("woff"), url("source-serif/SourceSerifVariable-Italic.ttf") format("truetype")
}
*/

:root {
    --tbnavwidth: 270px;

    /*SETUP*/
        /* --hdr-logo-h: 28px; */
        /* --hdr-logo-w: 342px; */
}

body {
    background: #ffffff;
    /*font-family: "Fira Sans", "Roboto", "Helvetica Neue", Arial, sans-serif; */
    font-family: 'Source Sans Pro', Arial, sans-serif;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    margin: 0;
    min-height: 100%;
    width: 100%;
    font-variant-ligatures: no-common-ligatures;
}

/* color anchor background for easiesr testing */
/*
*[id*='p-'] { background: #9f9; }
*/

/* Possible fix for scrolling to anchors */
.wlsite-tb-body-copy > div { scroll-snap-type: y proximity; }
.wlsite-tb-body-copy > div > * {
    scroll-margin-top: 65px;
    scroll-snap-margin-top: 65px;
    scroll-snap-align: start;
    scroll-snap-stop: normal;
}


main.wlsite-section-main {

    display: grid; 
    position: fixed;  
/*
    grid-template-areas: "section";
    grid-template-columns: 1fr;
*/
/*    min-height: calc(100vh + 1px); */
    padding-top: 0; 
/*
    position: fixed; 
    top: 177px;
*/
    width: 100%;
/*    z-index: auto */
/*    margin-top: 80px; */ 
/*
    overflow-x: hidden;
    overflow-y: auto;
    height: calc(100vh - 175px) !important;
*/
    overflow-y: auto;
    height: calc(100vh - 100px);
}

.wlsite-section-main-tb-page {
    grid-template-columns: var(--tbnavwidth) 1fr;
    grid-template-areas: ". section";
/*    z-index: 1; */
}

#wlsite main section {
    grid-area: section;
    margin: 0 auto;
/*    max-width: 54rem; */
    padding: 2rem 0 6rem;
    position: relative;
/*    width: calc(100% - 8rem); */
    z-index: auto
}

#wlsite main h1, 
#wlsite main h3, 
#wlsite main h4, 
#wlsite main h5, 
#wlsite main p, 
#wlsite main ul, 
#wlsite main li {
    font-weight: 400;
    line-height: 1;
    margin: 0;
    padding: 0;
    letter-spacing: normal;
}

#wlsite main h3 {
/*
    border-top: 1pt solid #d9d9d9;
    color: #1f4d80;
    font-size: 1.25rem;
    padding: 0.75rem 0 1.125rem
*/
    color: #E66907;
    margin: 45px 0 9px 0px;
    font-family: "Source Sans Pro", Arial, sans-serif;
}

#wlsite main p {
    color: #404040;
    line-height: 1.5;
    margin-bottom: 1rem
}

#wlsite main a {
    background-color: transparent;
    text-decoration: none
}

#wlsite main a:hover {
    color: #b50579
}

#wlsite main ul {
    list-style: none
}

#wlsite main ul li {
    color: #404040;
    list-style: none
}

#wlsite main sub, 
#wlsite main sup {
    font-size: 75%;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
    white-space: nowrap;
}

sup {
    top: -0.5em;
}

sub {
    bottom: -0.25em
}

img {
    border-style: none
}

button, input, optgroup, select, textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: 1.15;
    margin: 0
}

button, input {
    overflow: visible
}

button, select {
    text-transform: none
}

button, [type="button"], [type="reset"], [type="submit"] {
    -webkit-appearance: button
}

html {
/*
    color: #222;
    font-size: 1em;
    line-height: 1.4
*/
}

::selection {
    background: #b3d4fc;
    text-shadow: none
}

audio, canvas, iframe, img, svg, video {
    vertical-align: middle
}

* {
    box-sizing: border-box
}

.wlsite-side-nav-prime {
/*
    background-color: #e5f2f4;
    box-shadow: inset 0 0 1rem 0 rgba(0, 0, 0, 0.1);
    top: 112px;
*/
    bottom: 0;
    height: calc(100vh - 177px);
    overflow-y: auto;
    padding-bottom: 1rem;
    position: fixed;
    top: 177px; 
    width: var(--tbnavwidth);
    z-index: 50
}

.wlsite-side-nav-prime h5 {
    color: gray;
    font-size: 0.75rem;
    line-height: 1.25;
    padding: 1rem 1rem 0.75rem calc(1.25rem + 2pt)
}

.wlsite-side-nav-prime h5 .wlsite-side-nav-prime-icon {
    display: none
}

.wlsite-side-nav-prime h5 a {
    color: gray;
    font-style: italic
}

.wlsite-side-nav-prime h5 a:hover {
    color: #b50579
}

.wlsite-side-nav-prime ol {
    counter-reset: tbcounter;
    display: flex;
    flex-direction: column;
    list-style: none;
    margin: 0;
    padding: 0 0rem
}

.wlsite-side-nav-prime ol li {
    align-items: flex-start;
    border-top: 1pt solid #ececec;
    counter-increment: tbcounter;
    display: flex;
    flex-direction: column;
    height: auto;
    margin: 0;
    padding: 0;
    position: relative
}

.wlsite-side-nav-prime ol li.active-li-tb {
    background-color: #fff
}

.wlsite-side-nav-prime ol li:last-child {
    border-bottom: 1pt solid #ececec
}

.wlsite-side-nav-prime ol li a {
    align-items: center;
    border-left: 2pt solid transparent;
    color: #404040;
    display: flex;
    flex-direction: row;
/*    font-size: 0.75rem; */
    font-size: 0.8rem;
    justify-content: flex-start;
    line-height: 1.25;
    padding: 0.875rem 2rem 0.875rem 1.25rem;
    width: 100%
}

.wlsite-side-nav-prime ol li a:before {
    align-items: center;
/*
    color: #b3b3b3;
    font-size: 0.65rem;
*/
    color: #999;
    font-size: 0.8rem;
    font-weight: 400;

    content: counter(tbcounter);
    display: flex;
    flex-direction: row;
    height: 1rem;
    justify-content: center;
    left: 0.25rem;
    position: absolute;
    width: 1rem
}

.wlsite-side-nav-prime ol li a:hover {
    background-color: #fff;
    border-left: 2pt solid #5BB2A6;
    color: #5BB2A6;
}

.wlsite-side-nav-prime ol li a.active-menu-tb {
    border-left: 2pt solid #5BB2A6;
    color: #5BB2A6;
    font-weight: 500
}

.wlsite-side-nav-prime ol li a.active-menu-tb-primer {
    border-left: 2pt solid #b50579;
    color: gray;
    font-weight: 500
}

.wlsite-side-nav-prime ol li ul {
    display: none;
    width: 100%;
    counter-reset: tbcountersub
}

.wlsite-side-nav-prime ol li ul.submenu-system-active {
    display: block
}

.wlsite-side-nav-prime ol li ul li {
    border-top: 0pt solid transparent;
    counter-increment: tbcountersub;
    width: 100%;
    border-left: 1pt solid #b50579
}

.wlsite-side-nav-prime ol li ul li:last-child {
    border-bottom: 0pt solid transparent
}

.wlsite-side-nav-prime ol li ul li a {
    padding-left: 2.125rem
}

.wlsite-side-nav-prime ol li ul li a:before {
    align-items: center;
    color: #b3b3b3;
    content: "2." counter(tbcountersub);
    display: flex;
    flex-direction: row;
    font-size: 0.65rem;
    height: 1rem;
    justify-content: center;
    left: 1.0rem;
    position: absolute;
    width: 1rem;
    content: counter(tbcounter) "." counter(tbcountersub)
}

.wlsite-side-nav-prime ol li ul li a:hover {
    border-color: transparent
}

.wlsite-side-nav-prime ol li ul li a.active-menu-tb-sub {
    color: #b50579
}

.tb-pager {
/*
    background-color: #fff;
    box-shadow: 0 0 0.5rem 0 rgba(0, 0, 0, 0.1);
*/
/*    margin: 0 0 2rem; */
    padding: 1rem 1.25rem 0;
    position: relative;
    background: none;
}

.tb-pager aside {
    align-items: center;
    border-right: 1pt solid #e6e6e6;
    color: #b3b3b3;
    display: flex;
    flex-direction: row;
    font-size: 1.25rem;
    height: calc(1.25rem + 2pt);
    justify-content: center;
    left: 2pt;
    letter-spacing: 0;
    padding: 0.2rem 0rem 0 0;
    position: absolute;
    text-transform: uppercase;
    top: 1rem;
    width: calc(1.25rem + 0pt)
}

.tb-pager h3 {
    border: none;
    font-size: 1.5rem;
    font-weight: 400;
    margin: 0 0 0.5rem 0!important;
    padding: 0rem 2rem 0 0.75rem!important;
    line-height: 120%
}

.tb-pager h3 a {
    color: #1f4d80
}

.tb-pager h3 a:hover {
    color: #b50579
}

.tb-pager.wlsite-tb-page-listing {
    box-shadow: none;
    display: grid;
    grid-gap: 1rem;
    grid-template-columns: 1fr;
    margin-top: 1rem;
    opacity: 1;
    padding: 0rem 0 10rem;
    position: absolute;
    transition: opacity 0.15s ease-in-out;
    width: 100%;
    z-index: 20
}

.tb-pager.wlsite-tb-page-listing.wlsite-tb-page-listing-hidden {
    height: 0;
    margin: 0 0 0 0!important;
    opacity: 0;
    overflow: hidden;
    padding: 0 0 0 0!important
}

.tb-pager.wlsite-tb-page-listing h3 {
    align-items: center;
    color: #1f4d80;
    display: flex;
    flex-direction: row;
    font-size: 1.0rem!important;
    font-weight: 400;
    height: 2.0rem;
    justify-content: flex-start;
    line-height: 1.2;
    margin: 0rem 0 0.5rem;
    padding: 0rem 0 0 0rem;
    position: relative
}

.tb-pager.wlsite-tb-page-listing h3 div {
    align-items: center;
    background-color: #1f4d80;
    color: #fff;
    display: none;
    flex-direction: row;
    font-size: 0.75rem;
    height: 1.5rem;
    justify-content: center;
    left: -2.75rem;
    letter-spacing: 0;
    padding: 0 0rem 0 0;
    position: absolute;
    text-transform: uppercase;
    top: 0.25rem;
    width: 1.5rem
}

.tb-pager.wlsite-tb-page-listing h3 a {
    color: #1f4d80
}

.tb-pager.wlsite-tb-page-listing h3 a:hover {
    color: #b50579
}

.tb-pager ul {
    align-items: center;
/*    display: flex;  */
    display: none;
    flex-direction: row;
    justify-content: flex-start;
    margin: 0.5rem 0 0;
    position: relative;
/*    display: grid; */
    grid-auto-flow: row;
    grid-gap: 0.8rem 0.95em;
    grid-template-columns: repeat(auto-fill, 3.75rem)
}

.tb-pager ul.page-grid {
    display: grid;
    grid-auto-flow: row;
    grid-gap: 0.75rem;
    grid-template-columns: repeat(auto-fill, minmax(3.75rem, 1fr));
    margin-bottom: 0;
    margin-left: 0.75rem;
    overflow: visible;
    width: calc(100%)
}

.tb-pager ul.page-grid-subpage {
    grid-auto-flow: row;
    grid-gap: 0.75rem;
    grid-template-columns: repeat(auto-fill, 3.75rem);
    margin-top: 0.5rem 0 0 0
}

.tb-pager ul li a {
    border: 1pt solid #e2e2e2;
    box-shadow: -0.2rem 0.25rem 0.3rem 0 rgb(0 0 0 / 8%);
    height: calc(4rem * 1.29412);
    width: calc(4rem);
/*
    border: 1pt solid #d9d9d9;
    box-shadow: 0 0 0.5rem 0 rgba(0, 0, 0, 0.2);
    height: calc(3.75rem * 1.29412);
    width: calc(3.75rem)
*/
    align-items: center;
    flex-direction: row;
    display: flex;
    justify-content: center;
    overflow: hidden;
    transition: border 0.15s ease-in-out, transform 0.15s ease-in-out;
}

.tb-pager ul li a:hover {
    border: 1pt solid #b50579
}

.tb-pager ul li a img {
    margin: 0;
/*    width: 90% */
    margin: 0;
/*
    width: 52px;
    height: 75px;
*/
    width: 65px;
    height: 85px;
    /* darken thumbnails with css*/
    filter: brightness(0.83) contrast(1.5);
}


.wlsite-tb-pagination {
    align-items: center;
    display: flex;
    flex-direction: row;
    height: 100vh;
    justify-content: center;
    position: fixed;
    top: 177px;
    width: 5rem;
    max-height: calc(100vh - 175px) !important;
}

.wlsite-tb-pagination a {
    align-items: center;
    display: flex;
    flex-direction: row;
    height: 3rem;
    justify-content: center;
    width: 3rem;
    z-index:3 !important;
}

.wlsite-tb-pagination a:hover {
    background-color: #b50579
}

.wlsite-tb-pagination a:hover svg {
    fill: #fff
}

.wlsite-tb-pagination a svg {
    fill: #b3b3b3;
    height: 2.5rem;
    width: 2.5rem;
    z-index:3 !important;
}
.wlsite-tb-pagination a svg .st0 {
    fill: none;
}

.wlsite-tb-pagination.wlsite-tb-pagination-left {
    grid-area: pageleft;
    left: calc(var(--tbnavwidth) + 2rem);
    transform: scaleX(-1)
}

.wlsite-tb-pagination.wlsite-tb-pagination-right {
    grid-area: pageright;
    right: 2rem
}

#wlsite .wlsite-tb-page {
/*
    max-width: 40rem;
    width: 60% !important;
*/
    margin-top: 77px;
}

.wlsite-tb-page .wlsite-tb-heading {
    line-height: 1.2;
    margin-left: -2pt;
    padding: 0 0 0.5rem;
    position: relative;
    letter-spacing: normal;
}

.wlsite-tb-page .wlsite-tb-heading span {
    font-family: "Source Sans Pro", Arial, sans-serif;
/*    font-size: 40px; */
    align-items: center;
    display: flex;
    flex-direction: row;
    justify-content: center;
    left: -3rem;
    position: absolute;
    width: 3rem;
    border-right: 2px solid #DDDDDD;
    color: #979797;
    display: inline-block;
    font-weight: 300;
    left: -6rem;
    margin-right: 0.5rem;
    padding-right: 15px;
    text-align: center;
    text-align: right;
    width: 5rem
}

#wlsite .wlsite-tb-page .wlsite-tb-heading-root-intro {
/*    font-size: 3.0rem; */
/*
    font-size: 45px;
*/
    font-weight: 400;
    line-height: 1.2;
    margin-bottom: 0;
    padding: 0 0 0 17px;
    color: #656565 !important;
/*    max-width: 600px; */
    max-width: 790px;
}

#wlsite .wlsite-tb-page .root-notes-links {
    font-size: 0.8125rem;
    font-style: italic;
/*    text-align: center; */
    font-size: 16px;
    color: #4c8a99;
/*    border-top: 1px solid #ddd; */
/*    margin: 2rem 0; */
    padding: 0 0 0 3.25rem;

}
#wlsite .wlsite-tb-page .root-notes-links a {
    color: #4c8a99;

}

#wlsite .wlsite-tb-page .vertSpacerRule {
    border-left: 1px solid #ddd;
    margin: 0 0.7rem 0 0.5rem;
    height: 10px;
}

.wlsite-tb-page .wlsite-tb-heading-byline {
    color: #4c8a99;
/*    font-size: 0.8125rem; */
    letter-spacing: 1pt;
/*    margin: 1rem 0; */
    margin: 1rem 0 0 0;
    text-transform: uppercase;
    padding: 0 0 0 17px;
}
.wlsite-tb-page .wlsite-tb-heading-byline-date {
    color: gray;
/*    font-size: 0.8125rem; */
    font-style: italic;
    margin: 0 0 0 0;
    padding: 0 0 0 17px;
}

.wlsite-tb-page .wlsite-tb-thesis {
    color: gray;
    font-family: "Source Serif Variable", Georgia, serif;
    font-size: 0.8125rem;
    font-style: italic;
    margin: 0 0 2rem 0;
}

.wlsite-tb-body-copy .wlsite-tb-body-copy-proper {
    height: 0;
    opacity: 0;
    overflow: hidden;
    visibility: hidden;
    height: inherit;
    opacity: inherit;
    overflow: inherit;
    visibility: inherit
}

.wlsite-tb-body-copy .wlsite-tb-body-copy-proper.wlsite-tb-body-copy-proper-hidden {
    height: auto;
    opacity: 1;
    overflow: visible;
    visibility: visible
}

.wlsite-tb-body-copy p, .wlsite-tb-body-copy .bodytext {
    font-family: Baskerville, 'Baskerville Old Face', 'Hoefler Text', Garamond, 'Times New Roman', serif;
    color: #5f5f5f;
/*    color: #404040; */
/*    font-family: "Source Serif Variable", Georgia, serif; */
    line-height: 1.6;
    margin: 1rem 0 0
}

.wlsite-tb-body-copy .clipboard-close, .wlsite-tb-body-copy .clipboard-cell, .wlsite-tb-body-copy .clipboard-copy, .wlsite-tb-body-copy .clipboard-tooltip {
/*    display: none */
}

.wlsite-tb-body-copy a:visited:hover, .wlsite-tb-body-copy a:hover {
/*    color: #b50579 */
    color: #1f4d80;
}

#wlsite #home.wlsite-tb-page {
   max-width: none;
}
#home #abstract-heading-button {
   cursor: pointer;
}
#home .wlsite-tb-page-running-head {
   display: none;
}
#home .wlsite-tb-page-running-head-title {
   display: none;
}
#home .wlsite-tb-page .wlsite-tb-heading-root-intro {
    margin-top: 50px;
}
#home #home-index-abstract {
   margin-top: 20px;
   margin-bottom: 6px;
   width: auto;
}
#home #home-index-abstract .abstract-content p {
   margin-top: 0;
   max-width: 900px;
   padding-bottom: 16px;
   font-family: 'Source Sans Pro', Arial, sans-serif;
}
#home .tb-pager #home-index-abstract h3.abstract-heading {
    font-size: 16px;
    font-weight: 600;
    line-height: 36px; 
    color: #4c8a99;
    margin: 0 0 0 30px !important;
    text-indent: 0px;
    display: inline-block;
}
#home .tb-pager #home-index-abstract aside {
    color: #4c8a99;
    font-size: 20px;
    font-weight: 600;
    line-height: 36px; 
    border-right: none;
}
#home .tb-pager #home-index-abstract .abstract-content {
    display: none;
    font-size: 14px;
    line-height: 16px;
    color: #535353;
/*    width: 690px; */
    margin: 0 0 14px 42px;
}
#home .wlsite-tb-body-copy h3, 
#home .wlsite-tb-body-copy h3>a {
/*
    font-size: 30px;
    line-height: 36px; 
*/
    font-size: 18px;
    line-height: 24px;
    font-weight: 600; 
    color: #4c8a99;
    margin: 0 0 3px 40px;
    text-indent: 0px;
    display: inline-block;
    text-shadow: 0 0 10px #fff;
}
#home .wlsite-tb-body-copy h3>a:hover {
    color: #5BB2A6;
}
#home .tb-pager {
    padding: 0.2rem 0 0 0
}
#home .tb-pager aside {
    color: #878787;
/*
    font-size: 30px;
    line-height: 36px; 
*/
    font-size: 18px;
    line-height: 24px; 
    border-right: 1pt solid #939393;
    display: inline-block;
/*    position: relative; */
    margin: 0;
    padding: 0 6px 0 0;
    width: 40px;
    text-align: right;
    height: auto;
    align-items: normal;
    justify-content: right;
    top: auto;
}
#home div#main-index-34.tb-pager,
#home div#main-index-35.tb-pager,
#home div#main-index-36.tb-pager
{
    padding: 0 !important;
    margin: 0 !important;
}
#home #main-index-32 h3 a,
#home #main-index-33 h3 a,
#home #main-index-34 h3 a,
#home #main-index-35 h3 a,
#home #main-index-36 h3 a
{
    font-weight: 300;
    font-size: 18px;
    margin-bottom: 0;
    line-height: 24px;
}


#home .tb-pager-col ul li {
   margin: 0;
   list-style: none
}
#home .tb-pager-col .tb-pager ul {
    margin: 0 0 2rem 3.5rem;
}

.wlsite-tb-body-copy h3, .wlsite-tb-body-copy a>h3 {
    font-size: 1.25rem;
    margin-top: 2.0rem;
    padding: 0.65rem 0 0;
    line-height: 1.2;
}
/*
.wlsite-tb-body-copy img {
    margin: 1.5rem 0 0.5rem 1.5rem;
    max-width: 100%
}
*/

.tb-meta-footer {
    display: block;
    visibility: hidden;
    align-items: center;
    border-top: 1pt solid #d9d9d9;
    flex-direction: row;
    justify-content: flex-start;
    margin: 2rem 0 5rem;
    padding: 0.5rem 0 0
}

#wlsite .tb-meta-footer li {
    margin-right: 1rem;
    margin-left: 0;
    list-style: none;
}

.tb-meta-footer li a {
    align-items: center;
    color: gray;
    display: flex;
    flex-direction: row;
    font-size: 0.6875rem;
    justify-content: flex-start;
    text-decoration: none
}

.tb-meta-footer li a .icon {
    border: 1pt solid #b3b3b3;
    height: 0.75rem;
    margin-right: 0.25rem;
    opacity: 0.5;
    width: 0.75rem
}

.tb-meta-footer li a:hover {
    color: #b50579;
}

.tb-meta-footer li a:hover .icon {
    border: 1pt solid #b50579;
    opacity: 1
}

.wlsite-tb-page-running-head {
display: none;
}
.wlsite-tb-page-running-head {
display: none;
    align-items: center;
    border-bottom: 1pt solid #e6e6e6;
    display: flex;
    flex-direction: row;
    height: 2rem;
    justify-content: flex-start;
    letter-spacing: 1pt;
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.wlsite-tb-page-running-head .wlsite-tb-page-running-head-title {
    color: gray;
    font-size: 0.75rem
}

.wlsite-tb-page-running-head .wlsite-tb-page-running-head-title a {
    color: gray;
    text-decoration: none
}

.wlsite-tb-page-running-head .wlsite-tb-page-running-head-title a.running-current {
    cursor: default;
    font-weight: 500
}

.wlsite-tb-page-running-head .wlsite-tb-page-running-head-title a.running-current:before {
    content: '\203A';
    margin-right: 3pt;
    opacity: 0.7
}

.wlsite-tb-page-running-head .wlsite-tb-page-running-head-title a.running-current:hover {
    color: #5BB2A6
}

.wlsite-tb-page-running-head .wlsite-tb-page-running-head-title a:hover {
    color: #5BB2A6
}

.wlsite-tb-book-promo {
    align-items: center;
    border-bottom: 1pt solid #d9d9d9;
    border-top: 1pt solid #d9d9d9;
    display: flex;
    flex-direction: row;
    justify-content: left;
/*    width: 100%; */
    width: 500px;
    padding: 1rem 0 1rem 3.25rem;
    margin: 2.5rem 0 0.75rem 0;
}



#home .wlsite-tb-body-copy img {
    max-width: unset;
}
.wlsite-tb-book-promo .bookimage {
   display: flex;
/*   margin-left: 1rem; */
/*
    margin-left: 2.5rem;
    margin-right: 2.5rem;
*/
/*    width: 4rem */
}

.wlsite-tb-book-promo .bookimage img {
/*    width: 100% */
/*    width: 4rem; */
    height: auto;
    width: 52px;
    margin: 0;
    padding: 0;
}

.wlsite-tb-book-promo .bookimage .book-spreads {
    display: flex;
}
.wlsite-tb-book-promo .bookimage .book-spreads div  {
    display: flex;
    margin-left: 0.3rem; 
}
.wlsite-tb-book-promo .bookimage .book-spreads img {
border: none;
box-shadow: none;
height: auto;
width: 52px;
}
.wlsite-tb-book-promo .bookimage .book-spreads a {
border: 1pt solid #E2E2E2;
box-shadow: -0.2rem 0.25rem 0.3rem 0 rgb(0 0 0 / 8%);
}

.wlsite-tb-book-promo .copy {
    display: flex;
    flex-direction: column;
    width: 170px;
}

.wlsite-tb-book-promo .copy p {
    font: 0.75rem "Fira Sans", Roboto, "Helvetica Neue", Arial, sans-serif;
    margin: 0;
    padding: 0
}

.wlsite-tb-book-promo .copy p.promo {
   color: gray;
   font-size: 1.125rem;
/*   line-height: 1.6 */
   line-height: 1.2;
   padding-bottom: 5px;
}
/*
.wlsite-tb-body-copy .clipboard-img img,
.wlsite-tb-body-copy .clipboard-container img {
    margin: inherit;
    vertical-align: middle;
}
*/
.wlsite-side-nav-prime sub {
    bottom: inherit;
    line-height: 0;
    vertical-align: sub
}

.wlsite-side-nav-prime a {
    display: block!important;
}

.wlsite-tb-body-copy .clipboard-tooltip, .wlsite-tb-body-copy .clipboard-copy, .wlsite-tb-body-copy .clipboard-cell, .wlsite-tb-body-copy .clipboard-close {
/*    display: inherit */
}

h1.darkest-universe {
    color: #fff;
    font-size: 1.5rem;
    line-height: 1.25;
    padding-left: 0;
    position: relative
}

#TableOfContents {
    background-color: inherit;
    box-shadow: inherit;
    left: auto;
    max-width: inherit;
    overflow-y: inherit;
    padding: inherit;
    position: fixed;
    position: static;
    top: auto
}

#TableOfContents ul li {
    padding: inherit
}

#TableOfContents ul li a {
    color: #404040;
    font-size: 0.8125rem;
    text-decoration: none
}

#TableOfContents ul li a:hover {
    color: #b50579
}

#TableOfContents ul li a strong {
    color: #b50579;
    font-size: 0.6875rem;
    font-weight: 300;
    letter-spacing: 1pt;
    text-transform: uppercase
}

#TableOfContents:before {
    color: #870059;
    content: 'in this document';
    content: none;
    font-size: 0.6875rem;
    letter-spacing: 1pt;
    position: inherit;
    text-transform: uppercase;
}

.wlsite-tb-page-lister-proper {
    margin: 1rem 0 0
}

.tb-pager-subpager-container {
    background-color: #fff;
    box-shadow: 0 0 0.5rem 0 rgba(0, 0, 0, 0.1);
    margin: 0 0 1.5rem;
    padding: 1rem 1.25rem;
    position: relative;
}

.tb-pager-subpager-container ul {
    display: grid;
    grid-auto-flow: row;
    grid-gap: 0.8rem 0.95em;
/*    grid-gap: 0.75rem; */
    grid-template-columns: repeat(auto-fill, 3.75rem);
    margin: 0.5rem 0 0;
}

.tb-pager-subpager-container ul li a {
    border: 1pt solid #e2e2e2;
    box-shadow: -0.2rem 0.25rem 0.3rem 0 rgb(0 0 0 / 8%);
    height: calc(4rem * 1.29412);
    width: calc(4rem);
/*
    border: 1pt solid #d9d9d9;
    box-shadow: 0 0 0.5rem 0 rgba(0, 0, 0, 0.2);
    height: calc(3.75rem * 1.43269);
    width: calc(3.75rem)
*/
    align-items: center;
    display: flex;
    flex-direction: row;
    justify-content: center;
    overflow: hidden;
    transition: border 0.15s ease-in-out, transform 0.15s ease-in-out;
}

.tb-pager-subpager-container ul li a:hover {
    border: 1pt solid #b50579
}

.tb-pager-subpager-container ul li a img {
    width: 52px;
    height: 75px;
/* width: 90%; */
    margin: 0;
}

.tb-pager-subpager-container h3, #wlsite #additional-material .tb-pager-subpager-container h3  {
    border: none;
    font-size: 1.25rem;
    margin: 0 0 1.25rem 0;
    padding: 0 0 0 0;
}

#wlsite #footer {
/*
    display: grid;
    grid-template-columns: var(--tbnavwidth) 1fr;
*/
    padding-left: 0;
    padding-right: 0;
    position: relative;
    z-index: 0;


    color: #8e8e8e;
    font-size: 12px;
}
#wlsite #footer a {
    color: #8e8e8e;
}
#footer a:hover {
    color: #5BB2A6;
}

#wlsite #footer .inner {
    max-width: 40rem;
    width: 60%
}

#wlsite #footer ul {
    float: none;
    padding: 0rem 0rem!important;
    width: 100%!important
}

#wlsite #footer ul.footer-contact {
    justify-content: flex-start
}

#wlsite #footer li {
    padding-top: 1rem
}

a:not([href]) {
    color: inherit!important
}
/*
:target::before {
    content: "";
    display: block;
    height: 100px;
    margin: -100px 0 0
}
*/
/*
.wlsite-tb-body-copy .clipboard-num, 
.wlsite-tb-body-copy .chevron-after, 
*/
.wlsite-tb-page article h2, 
/*
#wlsite .tb-pager#main-index-9 aside, 
#wlsite .tb-pager#main-index-10 aside, 
*/
#wlsite #additional-material>article>div>h1, #wlsite #additional-material>article>div>div>aside, #wlsite #additional-material>h1>span, #wlsite #notes-and-further-references>h1>span, #wlsite #appendix-implementation>h1>span, #wlsite #appendix-graph-types>h1>span, #wlsite #acknowledgements>h1>span, #wlsite #tools-data-and-source-materials>h1>span, #wlsite #references>h1>span, #wlsite #wlsite .wlsite-tb-pagination-left, #wlsite #book-index .wlsite-tb-pagination-right, #wlsite #related-qa-button, #wlsite #discuss-this-page-button, #wlsite #appendix-implementation .tb-meta-footer, #wlsite #appendix-graph-types .tb-meta-footer, #wlsite #acknowledgements .tb-meta-footer, #wlsite #tools-data-and-source-materials .tb-meta-footer, #wlsite #references .tb-meta-footer {
    display: none
}
/*
#wlsite .tb-pager#main-index-9 aside, #wlsite .tb-pager#main-index-10 aside {
    margin: 0 0 1.25rem 0!important
}

#wlsite .tb-pager#main-index-9 h3, #wlsite .tb-pager#main-index-10 h3 {
    padding: 0 2rem 0 0.75rem!important;
    font-weight: 100;
}
*/
#wlsite main>div>h5>a, #wlsite main>div>div>ol>li>a {
    font-weight: 600
}

#wlsite main>div>div>ol>li.unnumbered>a {
    font-weight: 400
}

#wlsite .wlsite-side-nav-prime-pdf {
    margin-top: 10%
}

#wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-pdf a, #wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-arxiv a, #wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-peer-review a {
    padding: 0.875rem 2rem 0.25rem 1.25rem
}

#wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-pdf a, #wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-arxiv a, #wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-peer-review a {
    align-items: center;
    border-left: 2pt solid transparent;
    color: #262626;
    display: flex;
    flex-direction: row;
    font-size: 0.5rem;
    font-weight: 400;
    justify-content: flex-start;
    letter-spacing: 1pt;
    line-height: 1.25;
    text-transform: uppercase;
}

#wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-pdf a:hover, #wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-arxiv a:hover, #wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-peer-review a:hover {
    color: #b50579
}

#wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-pdf a img, #wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-arxiv a img, #wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-peer-review a img {
    width: 0.75rem;
    height: 0.75rem;
    opacity: 0.4;
    margin-top: -0.125rem;
    margin-right: 0.25rem;
    filter: grayscale(1);
}

#wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-pdf a:hover img, #wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-arxiv a:hover img, #wlsite .wlsite-side-nav-prime .wlsite-side-nav-prime-peer-review a:hover img {
    color: #b50579;
    filter: grayscale(0);
    opacity: 1
}

.copyexpr-inline {
    display: inline-block
}

span.special-character {
    border: none!important;
    color: inherit!important;
    display: inline-block!important;
    font-weight: inherit!important;
    left: auto!important;
    margin-right: auto!important;
    padding: 0 1px 1px 1px!important;
    position: inherit!important;
    text-align: center!important;
    text-align: inherit!important;
    text-indent: 0;
    width: auto!important
}

.InlineCode {
    font-family: "Fira Sans", "Roboto", "Helvetica Neue", Arial, sans-serif;
    font-weight: 600;
}

.tb-index-alpha-lister {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(1rem, auto));
    margin: 0;
    padding: 0
}

.tb-index-alpha-lister li {
    list-style: none;
    margin: 0;
    padding: 0
}

.tb-index-alpha-lister li a {
    display: block;
    padding: calc(1rem * 0.25) calc(1rem * 0.5) calc(1rem * 0.25) 0
}

#book-index .wlsite-tb-body-copy li img {
    margin:0;
    padding:0;
}
#book-index .wlsite-tb-body-copy h4 {
    border-bottom: 1pt solid #d9d9d9;
    color: gray;
    font-size: 1.5rem;
    font-style: normal;
    font-weight: 300;
    margin: calc(1rem * 2) 0 calc(1rem * 1.5) 0;
    padding: 0 0 calc(1rem * 0.5) 0
}

#book-index .wlsite-tb-body-copy > ul {
    column-count: 2;
    column-gap: 2rem;
    display: block
}

#book-index .wlsite-tb-body-copy ul li {
    color: #404040;
    display: block;
    font-size: 0.875rem;
    margin: 0 0 0.4rem 1rem;
    text-indent: -1rem;
    line-height: 18px;
}
/*
#book-index .wlsite-tb-body-copy ul li ul {
    display: block;
    column-count: 1
}

#book-index .wlsite-tb-body-copy ul li ul ul {
    display: block;
    column-count: 1
}
*/
#book-index .wlsite-tb-body-copy ul li ul li {
    margin: 0.2rem 0 0 1rem
}

#book-index .wlsite-tb-body-copy ul li ul ul li {
    margin: 0.2rem 0 0 1.5rem
}

article.wlsite-tb-body-copy ul.itemized-list {
    list-style: none;
    margin: 1rem 0;
    padding: 0;
}

article.wlsite-tb-body-copy ul.itemized-list li {
    color: #404040;
    font-family: "Source Serif Variable", Georgia, serif;
    line-height: 1.6;
    margin: 0;
    padding: 0
}

/*
article.wlsite-tb-body-copy ul.itemized-list li:before {
    color: #404040;
    content: "•";
    padding-right: 8px
}
*/

.Subsubsubsection {
    color: gray;
    font-style: italic;
    margin: 12px 0
}

.wlsite-side-nav-prime ol li.unnumbered a:before {
    content: none
}

#topnav>a {
    width: inherit
}

.tb-meta-footer li div {
    align-items: center;
    color: grey;
    cursor: pointer;
    display: flex;
    flex-direction: row;
    font-size: 0.6875rem;
    justify-content: flex-start;
    text-decoration: none
}

.tb-meta-footer li div:hover {
    color: #5BB2A6
}

#wlsite #notebook-download-button .icon {
    background-image: url('/language/elementary-introduction/3rd-ed/img/downloadinline.svg');
    border: none;
    filter: grayscale(1) brightness(2);
    height: 0.75rem;
    margin: 0 0.25rem 0 0;
    width: 0.75rem
}

#wlsite #open-in-cloud-button .icon {
    background-image: url('/language/elementary-introduction/3rd-ed/img/opencloudinline.svg');
    border: none;
    filter: grayscale(1) brightness(2);
    height: 0.75rem;
    margin: 0 0.25rem 0 0;
    width: 0.75rem
}

#wlsite #notebook-download-button .icon svg:hover {
    fill: #b50579;
    filter: none
}

.tb-meta-footer li .icon {
    border: 1pt solid #b3b3b3;
    height: 0.75rem;
    margin-right: 0.25rem;
    opacity: 0.5;
    width: 0.75rem
}

#wlsite section {
    padding: 0 0 4.5rem 0 ;
/*
    padding: 2rem 0 4.5rem 0!important;
    width: 60% !important; 
*/
    max-width: 40rem; 
}

article .wlsite-tb-body-copy {
    counter-increment: tbcounter
}

article .tb-pager-subpager-container {
    counter-increment: tbcountersub
}

.tb-pager-subpager-container aside {
    align-items: center;
    border-right: 1pt solid #e6e6e6;
    color: #b3b3b3;
    display: flex;
    flex-direction: row;
    font-size: 0.75rem;
    height: calc(1.25rem + 2pt);
    justify-content: center;
    left: 2pt;
    letter-spacing: 0;
    padding: 0 0rem 0 0;
    position: absolute;
    text-transform: uppercase;
    top: 1rem;
    width: calc(2rem + 0pt)
}

.tb-pager-subpager-container aside+ h3, .tb-pager-subpager-container.unnumbered h3 {
    margin: 0 0 1.25rem 1.25rem;
}

.tb-pager-subpager-container.unnumbered aside {
    content: ""!important;
    display: none
}

body:not(.dark) main {
/*    padding-top: 3rem; */
    padding-bottom: 0;
/*
    background-image: url('/technical-introduction/img/hypergraph-background.png');
    background-repeat: no-repeat;
    background-position: bottom right;
*/
}

.wlsite-tb-body-copy h4 {
    color: #1f4d80;
    font-size: 1.25rem;
    font-style: italic;
    margin-top: 2rem;
    padding: 0.65rem 0 0rem
}

table.SectionTitleTable {
    display: none
}

div.inout {
    display: block;
    margin: 0;
    padding: 0
}

#wlsite .wlsite-tb-body-copy p>img {
    margin: 0;
    vertical-align: middle
}

#wlsite span.plain, #wlsite span.plain em {
    font-style: normal!important
}

#wlsite .wlsite-tb-body-copy .CodeVariable {
    font-style: italic;
    padding: 0 1px 0 1px;
}

#wlsite header#header {
    position: fixed;
    width: 100%;
    z-index: 5;
}
/*
.clipboard-hover:not(.clipboard-link), .clipboard-hover .link-button {
    margin-left: 0
}

#wlsite #appendix-implementation .wlsite-tb-body-copy .clipboard-num {
    display: inherit;
    line-height: 0.75em
}

#wlsite #appendix-implementation .wlsite-tb-body-copy .clipboard-cell {
    display: table-cell!important
}

#wlsite #appendix-implementation .wlsite-tb-body-copy .clipboard-img {
    padding-left: 4px
}
*/
#wlsite #appendix-implementation .wlsite-tb-body-copy p+div.copyexpr-input-only, p+div.copyexpr, div.copyexpr+p {
    margin: 0.5rem 0
}


/* SEARCH */
#wlsite .search {
/*
    position: fixed;
    position: absolute;
    top: 114px;
    right: 0rem;
*/
    position: fixed;
    padding: 10px 14px 10px 14px;
    z-index: 1 !important;
    display: flex;
    justify-content: right;
    height: 77px;
/*    width: 100%; */
    right: 0;
}

#wlsite .search:hover {
/*
    background: #35555e;
*/
}

#wlsite .search div {
    display: flex;
    align-items: center;
}
#wlsite .search .icon {
    background: url('/language/elementary-introduction/3rd-ed/img/search.svg') no-repeat left top;
    background-position: 0 0px;
    background-size: 19px 38px;
    height: 19px;
    width: 19px;
    opacity: 0.7;
    margin-top: -3px;
}
#wlsite .search .icon:hover,
#wlsite .search .icon:active {
    opacity: 1.0;
}
#wlsite .search-close {
    position: absolute;
    padding: 0;
    font-family:"Fira Sans", "Roboto", "Helvetica Neue", Arial, sans-serif;
    font-size: 12px;
    font-weight:600;
    cursor: pointer;
    color: #fff;
    top: 1.7rem;
}
#wlsite .search-close span {
    position: absolute;
    left: 50%;
    transform: translate(-50%,-60%);
    font-size: 24px;
    font-weight: 100;
    height: 36px;
}
#wlsite .icon {
    -webkit-transition: opacity .5s;
    cursor: pointer;
    display: inline-block;
    opacity: .5;
    transition: opacity .5s;
    vertical-align: middle;
}
#wlsite #search {
    width: calc(100% - var(--tbnavwidth));
    margin: 0 auto;
    padding: 6px 20px 10px 0; /*14px 20px 14px 0; */
    background: #D55D05;
/*    display: none; */
    position: fixed;
    top: 177px;
    right: 0;
    text-align: right;
    z-index: 999999999;
    color: #fff;
    font-size: 0.7rem;
line-height: 2.5em;
/*    letter-spacing: 0.75pt; */
/*    text-transform: uppercase; */
    box-shadow: 0px 2px 4px 0 rgb(0 0 0 / 25%);
/*    box-shadow: 2px 0 8px 0 rgba(0,0,0,0.5); */
}
#wlsite #search div,
#wlsite #search form {
    display: inline-block;
}
#wlsite #search form {
    padding-right: 18px; 
}
#wlsite #search form input {
    margin: 0 6px;
    border: 1px white;
    border-color: white;
    border-radius: 4px;

    font-size: 11px !important;
}

#wlsite #search form input#search-jump-input {
    width: 75px;
}

#wlsite #search form input#search-index-input {
    width: 150px;
}

#wlsite #search input[type="search" i] {
    padding: 2px 6px;
}
#wlsite #search input:focus {
    outline: none;
}

#wlsite #book-index .term.match-highlight, 
#wlsite #book-index .term.direct-match-highlight {
    background: #ffe0a3;
    color: #000;
    padding: .125rem;
}

#wlsite .search-form {
   display: none;
}
#wlsite .search-form.show {
   display: block;
}
#wlsite .search-form.hide {
   display: none;
}


.narrowColumnWrapper .indexBodyCopy small ,
.rightColumnWrapper .indexBodyCopy small ,
.bodyCopyRight .indexBodyCopy small {
	font-size: 1em;
	color: #919191;
}
.narrowColumnWrapper .indexBodyCopy a small ,
.rightColumnWrapper .indexBodyCopy a small ,
.bodyCopyRight .indexBodyCopy a small {
	font-style: italic;
}
#wlsite main .narrowColumnWrapper .indexBodyCopy.indexBodySidebarHeader ,
#wlsite main .rightColumnWrapper .indexBodyCopy.indexBodySidebarHeader ,
#wlsite main .bodyCopyRight .indexBodyCopy.indexBodySidebarHeader {
	font-size: 15px;
	text-transform: uppercase;
	padding: 0;
	margin: 0;
        text-align: left;
        color: #606060;
}

#wlsite main .narrow-line-wrapper .indexBodyCopy {
   padding-top: 0;
}

#wlsite main .narrowColumnWrapper .linksDiv {
   padding: 0;
}
#wlsite main .narrowColumnWrapper .store-book-links {
  display: inline-block; 
  padding-right: 40px;
}
#wlsite main .narrowColumnWrapper .kindle-link-wrapper {
}
#wlsite main .kindle-link-wrapper,
#wlsite main .previous-editions-link-wrapper,
#wlsite main .download-link-wrapper {
   display: flex;
/*
   flex-direction: row;
   align-items: center;
*/
   margin-right: 12px;
   line-height: 16px;
}


#wlsite main .narrowColumnWrapper .indexBodyCopy.indexBodySidebarHeader.printed-book-header {
    padding: 0;
    margin: 0 0 6px 0;
}
#wlsite main .narrowColumnWrapper .indexBodyCopy.indexBodySidebarHeader.interactive-course-header {
    padding: 0;
    margin: 28px 0 6px 0;
}
#wlsite main .narrowColumnWrapper .indexBodyCopy.indexBodySidebarHeader.other-versions-header {
    padding: 0;
    margin: 28px 0 6px 0;
}
#wlsite main .narrowColumnWrapper .icon-col {
    padding-top: 2px;
}
#wlsite main .download-link-wrapper div,
#wlsite main .download-link-wrapper div,
#wlsite main .download-link-wrapper div,
#wlsite main .previous-editions-link-wrapper div,
#wlsite main .kindle-link-wrapper div {
   padding-right: 10px;
}
.narrow-line-wrapper {
    display: flex;
    flex-direction: row;
    vertical-align: top;
}
#wlsite main .pageCount {
    display: inline-block;
    padding: 0;
}
#wlsite main .nospacing {
    padding: 0;
    margin: 0;
}

@media all and (min-width:1201px) {
    #book-index .tb-index-content-lister > ul {
        column-count: 3
    }
   .indexPageWrapper .rowWrapper {
      flex-direction: row;
   }
   section .indexPageWrapper .columnWrapper.narrowColumnWrapper {
      display:none;
   }
}
@media all and (max-width:1200px) {
    #hero-image img {
        max-width: 100%;
    }
    #book-index .tb-index-content-lister > ul {
        column-count: 2
    }
   .indexPageWrapper .rowWrapper {
      flex-direction: row;
   }
   section .indexPageWrapper .columnWrapper.narrowColumnWrapper {
      display:none;
   }
}

@media all and (max-width:1100px) {
    .wlsite-tb-page .wlsite-tb-heading span {
        position: inherit;
        width: auto!important;
        left: auto!important;
        display: inline-block;
        text-align: auto!important;
        position: relative;
}
}
@media all and (max-width:1100px) {
#wlsite section.wlsite-tb-page {
    width: 80% !important;
    max-width: 30rem;
}
}
/*
@media all and (min-width:901px) {
    #wlsite.wlsite header .sidebarHamburger {
        display: none;
    }
}
*/
@media (max-width: 800px)
@media only screen and (max-width: 900px)
.wlsite-tb-page {
    width: 80% !important;
}


@media all and (max-width:900px) {

#wlsite.wlsite main {
/*    top: 200px; */
}
#wlsite.wlsite main .sidebarwrapper { 
/*     display: none; */
}
main.wlsite-section-main {
     display: block;
}

#wlsite.wlsite section.index-home-page {
        padding-top: 80px; 
/*
     top:0;
     padding-top: 3rem;
*/
}
/*
#wlsite.wlsite main nav {
    height: calc(100vh - 200px);
}
*/

.wlsite-side-nav-prime {
    top: 198px;
}
#wlsite.wlsite .eiwl-header-title {
    font-size: 23px;
}
#wlsite.wlsite .eiwl-header-title .author-name {
    font-size: 18px;
}
#wlsite.wlsite .eiwl-header-title .edition-text {
    font-size: 18px;
    padding-left: 0;
    display: block;
}
#wlsite.wlsite #intro-to-wl-header {
    height: 98px;
}
    #wlsite .sidebar-wrapper {
        display:none;
    }
    #wlsite.wlsite header .sidebarHamburger {
        display: flex; 
    }
    #wlsite section#section {
        left:0; 
    }
    #wlsite .search {
        top: auto;
        height: 100px;
/*
	z-index: 50;
	top: 3.75rem;
        right: 1rem;
	z-index: 50;
        padding: 0;
        background: none;
*/
    }
    #wlsite #search {
/*        top: 150px; */
        top: 195px;
        width: 100%;
    }
    #wlsite .search .icon {
 /*       background-position: 0 -19px; */
    }
    section {
        max-width: 100vw;
        padding: 2rem 0 10rem;
        width: calc(100vw - 4rem)
    }
    .wlsite-section-main-tb-page {
/*
        grid-template-columns: 1fr;
        grid-template-areas: "section";
*/
    }
    .wlsite-shingle-hero {
        grid-template-columns: 1fr
    }
    .wlsite-shingle-hero .wlsite-shingle-container-hero-metadata {
        padding: 0 2rem
    }
    .wlsite-shingle-hero .wlsite-shingle-container-hero-metadata .universe-shortcode-value {
        font-size: 12.0vw;
        height: 12.0vw
    }
    .wlsite-shingle-hero .wlsite-shingle-container-hero-metadata .shingle-rules {
        margin: 2.0rem 0 1.5rem
    }
    .wlsite-shingle-hero .wlsite-shingle-container-hero-metadata .shingle-rule-icon-container figure {
        grid-template-columns: 1fr;
        margin-bottom: 2rem
    }
    .wlsite-shingle-hero .wlsite-shingle-container-hero-metadata .shingle-rule-icon-container figure img {
        width: 75%
    }
    .wlsite-shingle-hero .wlsite-shingle-container-hero-metadata .shingle-rule-icon-container figure figcaption.rulecodesub.rulehidden {
        height: 0
    }
    .wlsite-shingle-hero figure.rule-uni-big:after {
        content: '';
        padding-top: 0
    }
    .wlsite-shingle-container-nb ul {
        align-items: flex-end;
        display: flex;
        flex-direction: column;
        justify-content: flex-end
    }
    .wlsite-shingle-container-nb ul li {
        margin-left: 0;
        margin-top: 0.25rem;
        margin-bottom: 0.25rem
    }
    .wlsite-shingle-container-nb #notebookEmbed {
        width: calc(100% - 2rem)
    }
    .wlsite-shingle-container-nb .notebook-masker {
        height: 4.0rem;
        margin-top: -2.0rem
    }
    .wlsite-uni-controls ul {
        align-items: flex-start;
        flex-direction: column;
    }
    .wlsite-uni-controls ul li {
        margin-left: 0;
        margin-top: 0.5rem;
        margin-bottom: 0.5rem
    }
    .wlsite-uni-controls ul li input[type=text] {
        margin: 0rem 0
    }
    .wlsite-on-proposals .wlsite-on-proposals-copy {
        margin-bottom: 10rem
    }
    .wlsite-on-proposals .wlsite-on-proposals-copy p {
        width: 100%
    }
    .wlsite-on-proposals aside {
        border-left: 0;
        border-top: 1pt solid #d9d9d9;
        bottom: 10rem;
        float: none;
        margin: 0;
        padding: 0;
        position: absolute;
        width: 100%
    }
    .wlsite-on-proposals aside h3 {
        margin: 0;
        padding: .75rem 0 0rem
    }
    .wlsite-side-nav-prime {
        height: calc(100vh - 200px);
        border-bottom: 1pt solid #ececec;
        box-shadow: none;
/*        height: 2.5rem; */
        overflow-x: hidden;
        overflow-y: auto;
        width: 100%;
        z-index: 50;

        display: none;
/*        height: 100%; */
    }
    .wlsite-side-nav-prime h5 .wlsite-side-nav-prime-icon {
        align-items: center;
        cursor: pointer;
        display: flex;
        flex-direction: row;
        height: 2.5rem;
        justify-content: center;
        width: 2.75rem
    }
    .wlsite-side-nav-prime h5 .wlsite-side-nav-prime-icon img {
        height: 0.75rem;
        opacity: 0.4;
        width: 0.75rem
    }
    .wlsite-side-nav-prime h5 .wlsite-side-nav-prime-icon:hover img {
        opacity: 0.75
    }
    .wlsite-side-nav-prime h5 {
        align-items: center;
        display: flex;
        flex-direction: row;
        height: 2.5rem;
        justify-content: flex-start;
        padding: 0
    }
    .wlsite-side-nav-prime h5 a {
        align-items: center;
        display: flex;
        flex-direction: row;
        height: auto;
        justify-content: flex-start;
        padding: 0 2rem 0 0
    }
    #wlsite .search {
/*        top: 3rem; */
    }
    #wlsite main section.wlsite-tb-page {
/*
        padding: 0;
        margin-top: 0;
*/
    }
   
    .wlsite-tb-page-running-head {
        margin-top: 1.5rem
    }
    .wlsite-section-main-tb-page {
/*
        grid-template-columns: 1fr;
        grid-template-areas: "section"
*/
    }
    .wlsite-tb-page .wlsite-tb-heading-root-intro {
/*        font-size: 2.0rem */
    }
    .wlsite-tb-pagination.wlsite-tb-pagination-left {
        left: 0
    }
    .wlsite-tb-pagination.wlsite-tb-pagination-right {
        right: 0
    }
    .wlsite-tb-pagination a {
        height: 3rem;
        width: 3rem
    }
    #wlsite #footer ul.footer-community {
        flex-direction: column
    }
    #wlsite #footer {
        grid-template-columns: 1fr
    }
    .sitemapper, .sitemapper-status, .generic-grid-container .generic-grid-container-tools, .generic-grid-container.generic-grid-two-up, .generic-grid-container.generic-grid-container-contact {
        grid-template-columns: 1fr
    }
    .tb-index-content-lister > ul {
        column-count: 2
    }
    .tb-meta-footer li {
        margin-bottom: 1rem;
        margin-right: 0
    }
    .tb-meta-footer {
        align-items: flex-start;
        display: flex;
        flex-direction: column;
        margin: 2rem 0 0;
        padding-top: 1rem
    }

    #intro-to-wl-header div.inner {
        display:flex;
        padding-left: 0;
    }
    #intro-to-wl-header .inner .meta-side-nav-prime-icon {
        display: flex;
    }
    #intro-to-wl-header .inner .meta-side-nav-prime-icon {
        align-items: center;
        cursor: pointer;
        display: flex;
        flex-direction: row;
        height: 2.5rem;
        justify-content: center;
        width: 2.75rem
    }
    #intro-to-wl-header .inner .meta-side-nav-prime-icon img {
        height: 0.75rem;
        opacity: 0.4;
        width: 0.75rem
    }
    #intro-to-wl-header .inner .meta-side-nav-prime-icon:hover img {
        opacity: 0.75
    }
 
    #wlsite #home .tb-pager ul.page-grid-subpage {
       width: calc(80%);;
    }

#intro-to-wl-header .inner .meta-side-nav-prime-icon img {
    height: 1.2rem;
    width: 1.2rem;
    filter: invert(100%);
    opacity: .7;
}
#intro-to-wl-header .inner .meta-side-nav-prime-icon:hover img {
    opacity: 0.9;
}
.tb-index-alpha-lister li a {
    padding: 0;
}
   section .indexPageWrapper .columnWrapper.narrowColumnWrapper {
      display:block;
   }
   section .indexPageWrapper .rowWrapper .middleColumnWrapper, 
   section .indexPageWrapper .rowWrapper .rightColumnWrapper {
      display:none;
   }
/*
#wlsite .search .icon {
    margin-top: 3px;
}
#wlsite #search {
    top: 2.7rem; 
}
#wlsite .search:hover {
    background: none;
}
*/
}
/*
@media all and (max-width:500px) {
    #wlsite #search form#search-jump-form {
        display: block;
    }
}
*/
@media all and (max-width:600px) {
    body:not(.dark) main h1 {
        font-size: 2.4rem;
        padding-bottom: 1.0rem
    }
    #wlsite main.wlsite-section-main {
        height: calc(100vh - 55px);
    }
    #wlsite.wlsite main section.index-home-page {
        top: 64px; 
    }
    #wlsite.wlsite main section {
/*        top: 64px; */
        padding-top: 80px; 
/*        padding-top: 1rem; */
    }
    #wlsite.wlsite main .search {
/*        top: 45px; */
        top: auto;
        height: 55px;
    }
    #wlsite.wlsite main .search-close span {
        height: 32px;
    }
    #wlsite.wlsite main #search {
        top: 97px;
        padding: 6px 20px 7px 0;
    }
    #wlsite a .header-title, 
    #wlsite a:link .header-title, 
    #wlsite .header-title {
        font-size: inherit; 
    }
    #wlsite #footer .inner {
        max-width: unset;
        width: unset;
        width: 80%
    }
    #wlsite main #answers-to-exercises .AnswerKeyNumberedSection {
        font-size: 24px;
    }
    #wlsite main .AnswerKeyExerciseNumber {
        padding-right: 20px;
        width: 50px;
    }
    .tb-index-content-lister > ul {
        column-count: 1
    }
    .wlsite-tb-pagination a {
        height: 1.5rem;
        width: 1.5rem
    }
    .wlsite-tb-pagination {
        width: 3rem;
    }
    .wlsite-tb-page {
        max-width: 100vw;
        width: 80% !important;
    }
    .wlsite-side-nav-prime {
        top: 97px;
    }
    .wlsite-side-nav-prime {
        height: calc(100vh - 99px);
    }
    .wlsite-side-nav-prime h5 a {
        height: auto
    }
    .wlsite-tb-page .wlsite-tb-heading span {
        position: inherit;
        width: auto!important;
        left: auto!important;
/*
        border-right: unset;
        padding-right: unset;
        margin-right: auto!important;
*/
        display: inline-block;
        text-align: auto!important;
        position: relative;
    }

#intro-to-wl-header .inner .meta-side-nav-prime-icon img {
    height: 1.1rem;
    width: 1.1rem;
}
.tb-pager ul li a img {
    margin: 0;
}

.wlsite-tb-book-promo {
    width:100%;
}
.wlsite-tb-book-promo .copy p.promo,
#wlsite .wlsite-tb-page .root-notes-links {
    font-size: 0.9rem;
}
}


@media only screen and (max-width: 1000px) {
   .wlsite-side-nav-prime {
      display: none;
   }
   #wlsite.wlsite main {
      display: block;
   }
   .wlsite-tb-pagination.wlsite-tb-pagination-left {
      left: 0
   }
   #wlsite #search {
      width: 100%;
   }
}

/* jeremyd additions
/* make 600-900 wider */
@media only screen and (max-width: 900px) {
   .wlsite-tb-page {
      width: 80% !important;
   }
   .indexPageWrapper .rowWrapper {
      flex-direction: column;
   }
}

/* tweaks to fontsizes and width at 600 */
@media only screen and (max-width: 600px) {
#home .wlsite-tb-body-copy h3, #home .wlsite-tb-body-copy h3>a {
    font-size: 1.1rem;
}
#wlsite.wlsite #intro-to-wl-header {
    height: 55px; 
}
#wlsite.wlsite main {
/*    top: 97px; */
/*    padding-top: 1rem; */
}
#wlsite.wlsite .eiwl-header-title {
    font-size: 18px;
    padding-top: 6px;
}
#wlsite.wlsite section {
    top: 0; 
}

#wlsite.wlsite main nav {
    width: 100%;
}

#wlsite.wlsite .eiwl-header-title .author-name {
    display:none;
}
#wlsite.wlsite .eiwl-header-title .edition-text {
    display:none;
}
#wlsite .wlsite-tb-page .wlsite-tb-heading-root-intro {
    font-size: 2.0rem;
}
#wlsite a .header-title, #wlsite a:link .header-title, #wlsite .header-title {
    font-size: 0.8rem;
    line-height: 1.6em;
}
#intro-to-wl-header div.inner {
    height: 55px;
    padding: 0px 45px 5px 0px;
    align-items: center;
}
#intro-to-wl-header {
/*    top: 42px; */
/*
    background-color: inherit;
    height: inherit; 
    background: none;
    border-bottom: inherit; 
*/
}
#wlsite section {
    padding: 40px 0 4.5rem 0!important;
}
.wlsite-tb-page {
    max-width: 100vw;
    width: 85% !important;
}
.wlsite-tb-body-copy img {
    margin: inherit;
}

.wlsite-side-nav-prime ol li a {
    padding: 0.575rem 2rem 0.575rem 1.25rem;
}
}


@media only screen and (max-width: 400px) {

   #wlsite a .header-title, #wlsite a:link .header-title, #wlsite .header-title { 
      font-size: 0.8rem; 
      line-height: 1.4em;
   }
   #wlsite .wlsite-tb-page .wlsite-tb-heading-root-intro {
/*      font-size: 35px; */
      font-size: 1.7rem;
   }
   #home .wlsite-tb-body-copy h3, #home .wlsite-tb-body-copy h3>a {
/*      font-size: 28px; */
      font-size: 1rem;
   }
   body:not(.dark) main h1 {
      font-size: 2.2rem; 
   }

   #wlsite.wlsite main {
      
   }
   #intro-to-wl-header {
/*      top: 77px; */
   }
   #intro-to-wl-header div.inner {
      height: 55px;
      padding: 0 45px 0 0;
/*      padding: 6px 0; */
   }
   #wlsite.wlsite .eiwl-header-title {
       font-size: 17px;
       line-height: normal;
       display: flex;
       padding: 3px 0 0 0;
   }
   #wlsite section {
      padding: 25px 0 4.5rem 0!important;
   }
   #wlsite #home .tb-pager ul.page-grid-subpage {
      width: 250px;
   }
}