.hidden {
  display: none;
}

body {
  background-color: #FFFFFF;
  background-image: linear-gradient(#F9F9F9, #F0F0F0);
  background-repeat: no-repeat;
  background-position: center top;
  background-attachment: fixed;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

a {
  word-wrap: break-word;
}

.modal-open {
  overflow-y: scroll;
}

h3.unauthorized {
  font-style: Helvetica Neue;
  text-align: center;
  color: #0D66B3;
  font-size: 2em;
  margin: 10px;
}

#left_content, #right_content {
  position: fixed;
  z-index: 1000;
  width: 275px;
  top: 0;
  bottom: 0;
  margin: 50px 0 0 0;
  overflow-y: auto;
}
body[data-subdomain=embed] #left_content, body[data-subdomain=embed] #right_content {
  margin-top: 0;
}

#left_content {
  left: 0;
  overflow-x: hidden;
}

#right_content {
  right: 0;
}

#reader_content {
  padding: 6px 30px 30px 30px;
  background-color: #FFFFFF;
  font-size: 1rem;
  border: 1px solid #EDEDED;
  border-radius: 8px;
  margin-top: 70px;
}

#book_links {
  padding: 0px 20px 20px 20px;
  height: 240px;
}

/* Demo Course Request Full Access Button */
#request_full_access_button {
  margin: auto;
}

#request_full_access_button > h1 {
  margin: 0px;
  padding: 10px;
  font-size: 1.5em;
  background: none;
  box-shadow: none;
}

/* Navigation arrows */
.navigation_arrow_left,
.navigation_arrow_right {
  position: fixed;
  z-index: 1009;
  top: 136px;
  padding: 3px;
  overflow-x: hidden;
  overflow-y: hidden;
}
body[data-subdomain=embed] .navigation_arrow_left,
body[data-subdomain=embed] .navigation_arrow_right {
  top: 7px;
}

.navigation_arrow_left:hover > .nav_icon,
.navigation_arrow_right:hover > .nav_icon {
  color: #495454;
}

.navigation_arrow_left > .nav_icon,
.navigation_arrow_right > .nav_icon {
  font-size: 28px;
}

/* Accessibility items */
#accessibility_bar {
  margin: 0 56px;
}

#accessibility_bar .accessibility_item {
  display: inline-block;
  color: rgb(98, 109, 109);
  position: relative;
  line-height: 24px;
  margin: 0 2px;
}

#accessibility_bar div.icon {
  margin-top: -3px;
}

#accessibility_bar div.icon:hover {
  color: #495454;
}

#accessibility_home > div.icon {
  font-size: 33px;
}

#accessibility_reader_layout > div.icon {
  font-size: 40px;
}

#accessibility_bar .accessibility_search {
  padding-right: 12px;
  margin-top: -4px;
}

#id_searchterms {
  width: 140px;
}

.rsexpanded {
  margin-top: -14px !important;
  width: 260px !important;
  margin-bottom: 18px !important;
}

.rsbtn.rsdetached {
  white-space: normal !important;
}

vapp-aichat {
  position: relative;
  z-index: 11000;
}

vapp-aiembed {
  display: inline-block;
}

/**********  styles across all pages of a book (title, part, chapter) ***************/
/* high-level styling */
#bookcontent {
  position: relative;
  line-height: normal;
}

#bookcontent .collapsible-section-toggle {
  z-index: 99;
}

#bookcontent div.blockquote {
  padding: 0px 48px;
  margin-bottom: 20px;
}

.book-preview {
  text-align: center;
  font-size: 1em;
}

/* Buttons at the bottom of the page */
#navigation_bottom_container {
  text-align: right;
}

#navigation_previous, #navigation_next {
  display: inline-block;
}

/**********   Book Tools    *********************/
.body_section_toolbar {
  position: relative;
  background-color: rgba(232, 232, 232, 0);
}

.formErrors {
  font-size: 0.85em;
  background-color: #f2dede;
  border-color: #ebccd1;
  color: #a94442;
  border-radius: 2px;
}

.body_section_toolbar > #close_toolbar {
  position: absolute;
  top: 5px;
  left: 240px;
  z-index: 100000;
  display: none;
}

#close_toolbar:hover > .icon {
  color: #880000;
}

#booktools_container #close_booktools {
  /*  position: absolute;
    top: 5px;
    left: 240px;
    z-index: 100000;*/
  display: none;
}

#close_booktools:hover > .icon {
  color: #880000;
}

.toolbar_tab_inside {
  display: none;
  z-index: 100;
  background-color: #004876;
  border-color: #004876;
  position: fixed;
  height: 40px;
  width: 120px;
  top: 200px;
  padding: 5px;
  font-size: 1.1em;
  text-align: center;
  color: #fff;
}

.toolbar_tab_inside_left {
  display: none;
  z-index: 100;
  background-color: #004876;
  border-color: #004876;
  position: absolute;
  height: 40px;
  width: 120px;
  top: 200px;
  padding: 5px;
  font-size: 1.1em;
  text-align: center;
  color: #fff;
}

.toolbar_tab:hover {
  background-color: #004876;
  border-color: #004876;
}

.toolbar_tab_inside:hover {
  background-color: #004876;
  border-color: #004876;
}

.toolbar_tab_inside_left:hover {
  background-color: #004876;
  border-color: #004876;
}

.body_section_toolbar dl {
  margin: 0;
  padding: 0;
}

#left_tab {
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  left: -45px;
  cursor: pointer;
  -webkit-transform: rotate(90deg);
  -moz-transform: rotate(90deg);
  -o-transform: rotate(90deg);
}

#left_tab_inside {
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  top: 155px;
  left: 435px !important;
  cursor: pointer;
  -webkit-transform: rotate(90deg);
  -moz-transform: rotate(90deg);
  -o-transform: rotate(90deg);
  /*overflow-y: hidden;*/
}

#right_tab {
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  right: -45px;
  cursor: pointer;
  -webkit-transform: rotate(-90deg);
  -moz-transform: rotate(-90deg);
  -o-transform: rotate(-90deg);
}

#right_tab_inside {
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
  position: absolute;
  top: 155px;
  left: -40px;
  cursor: pointer;
  -webkit-transform: rotate(-90deg);
  -moz-transform: rotate(-90deg);
  -o-transform: rotate(-90deg);
}

.toolbar_tab a {
  color: #fff;
}

.toolbar_tab_inside a {
  color: #fff;
}

.toolbar_tab_inside_left a {
  color: #fff;
}

.toolbar_tab a:hover {
  text-decoration: none;
}

.toolbar_tab_inside a:hover {
  text-decoration: none;
}

.toolbar_tab_inside_left a:hover {
  text-decoration: none;
}

/*.booktools_item_mobile {
  display: none;
}*/
/***********   book- title styles   ******************/
.booktitle {
  font-style: italic;
  text-align: center;
  font-size: 2em;
  font-weight: bold;
}

.booksubtitle {
  text-align: center;
  font-size: 1.5em;
}

/***************  book-part styles   *****************/
.partcontents {
  float: right;
  width: 50%;
}

.contentstitle {
  font-size: 2em;
  font-style: italic;
}

ul.contents-list-level1 {
  list-style-image: none;
  list-style-type: none;
  margin: 0px;
  padding: 0px;
  font-size: 1em;
}

ul {
  list-style-position: outside;
  margin-left: 40px;
  margin-bottom: 20px;
}

ol {
  margin-left: 20px;
  margin-bottom: 20px;
}

li.contents-list-level1 {
  padding-top: 14px;
}

a.contents-list-level1 {
  font-size: 1em;
}

ul.contents-list-level2 {
  list-style-type: disc;
  list-style-image: none;
  list-style-position: inside;
  font-size: 1em;
  padding: 0px;
  margin: 0px;
}

li.contents-list-level2 {
  padding-top: 10px;
}

li > .para {
  margin: 5px;
}

a.contents-list-level2 {
  color: #000;
  text-decoration: none;
  font-size: 1em;
}

.terminal {
  background-color: rgba(0, 0, 0, 0.8);
  border: 2px solid lightgray;
  border-radius: 4px;
  color: #1D9F08;
  padding: 10px;
  font-family: monospace;
}

.python {
  background-color: rgba(0, 0, 0, 0.8);
  border: 2px solid lightgray;
  border-radius: 4px;
  color: white;
  padding: 20px;
  font-family: monospace;
  margin-bottom: 20px;
  counter-reset: line-number-counter;
}
.python .para {
  margin-left: 0px;
  margin-bottom: 0px;
}
.python .count:before {
  content: counter(line-number-counter) "| ";
  counter-increment: line-number-counter;
  color: darkgray;
}
.python .py-red {
  color: #ff6188;
}
.python .py-orange {
  color: #fc9867;
}
.python .py-yellow {
  color: #ffd866;
}
.python .py-green {
  color: #a9dc76;
}
.python .py-blue {
  color: #78dce8;
}
.python .py-purple {
  color: #ab9df2;
}
.python .py-comment {
  color: darkgray;
}

.code_snippet {
  font-family: monospace;
  color: #577A3A;
  font-weight: 700;
}

/***************  book-chapter styles  ***************/
.chaptertitle {
  text-align: center;
  font-size: 2em;
  font-weight: bold;
  padding-bottom: 9px;
  color: #1B445D;
}

.chaptersubtitle {
  text-align: center;
  font-size: 1.5em;
  font-weight: bold;
  padding-bottom: 15px;
  color: #1B445D;
}

.ui-resizable-handle:hover {
  background-color: #F9F9F9;
}

h1,
h1.collapsible-section-container-title {
  position: relative;
  color: #004876;
  font-size: 1.5em;
  font-weight: normal;
  padding: 7px 7px 7px 14px;
  line-height: normal;
  margin: -8px auto 36px;
  text-indent: 0;
  border-radius: 2px;
  background-color: #ffffff;
  width: 94%;
  border-radius: 9px;
}

#bookcontent h1.sectiontitle {
  font-family: "PT Serif", serif;
  font-size: 2.5rem;
}

#bookcontent h2,
#bookcontent h3 {
  font-weight: 400;
}

h2 {
  position: relative;
  font-size: 2rem;
  text-indent: 0px;
  padding-top: 12px;
  line-height: normal;
  color: #004876;
  font-family: "PT Serif", serif !important;
  margin-left: 18px;
}

h3 {
  position: relative;
  font-size: 1.5rem;
  padding-left: 18px;
  text-indent: 0px;
  line-height: normal;
  color: #004876;
  font-family: "PT Serif", serif !important;
}

h4 {
  color: #004876;
  font-size: 1.5rem;
  font-family: "PT Serif", serif !important;
}

h4, h5, h6 {
  position: relative;
  font-size: 1.1rem;
  text-indent: 16px;
  line-height: normal;
  font-family: "PT Serif", serif !important;
}

.section_label {
  margin-right: 6px;
}

.section_label:empty {
  margin-right: 0px;
}

p {
  margin: 0 18px 20px 18px;
  line-height: 200%;
  word-break: normal;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.sectioncontent {
  font-weight: normal;
  padding: 0px 2% 8px 2%;
  position: relative;
  margin: 0 6px;
}

.sectioncontent > h3 {
  line-height: 40px;
}

.literallayout {
  font: inherit;
  text-indent: 0px;
  padding: 0px;
  margin: 0px;
}

/* Emphasis tags */
.bold {
  font-weight: bold;
}

.italic {
  font-style: italic;
}

.underline {
  text-decoration: underline;
}

.strikethrough {
  text-decoration: line-through;
}

/* Footnote styles */
.footnote {
  color: #333333;
  vertical-align: top;
  position: relative;
  top: -0.5em;
  font-size: 0.8em;
}

span.footnote_container .popover {
  background-color: rgba(50, 50, 50, 0.9);
  color: #F4F4F4;
  font-size: 0.9em;
}

span.footnote_container .popover .arrow:after {
  border-bottom-color: rgba(50, 50, 50, 0.9);
}

.sidebar-title .footnote a,
.caution-title .footnote a,
.note-title .footnote a,
.important-title .footnote a,
.tip-title .footnote a,
.warning-title .footnote a {
  color: #fff;
}

/* Epigraph styles  */
.epigraph {
  border: 2px ridge #223942;
  border-radius: 11px;
  text-align: justify;
  font-size: 1em;
  font-weight: normal;
  padding: 15px 15px 15px 15px;
  color: #004876;
  width: 40%;
  float: left;
  margin-bottom: 20%;
}

/* Glossary/Key term styles */
.popover {
  word-wrap: break-word;
}

.glossentry-container .popover {
  background-color: rgba(50, 50, 50, 0.9);
  color: #F4F4F4;
  font-size: 0.9em;
}

.glossentry-container .popover .arrow:after {
  border-bottom-color: rgba(50, 50, 50, 0.9);
}

.glossentry {
  display: inline;
  border-top: none;
  border-bottom: 1px dashed transparent;
  border-left: none;
  border-right: none;
  padding: 0;
  margin: 0;
  font-size: inherit;
  line-height: inherit;
  font-family: inherit;
  font-style: inherit;
  font-weight: bold;
  color: #004876;
  vertical-align: inherit;
  cursor: pointer;
  background: inherit;
}

.glossentry:hover {
  border-bottom-color: #004876;
}

dt.glossterm, a.glossterm { /* This goes in the drop-down list of all key terms */
  color: #D7DEA4;
  font-size: 1.4em;
}

dd.glossterm { /* A glossary item's definition in the glossary */
  padding-bottom: 1em;
  font-size: 1.1em;
}

td.glossary_term_cell { /* A glossary term table cell in the glossary modal */
  width: 200px;
}

td.glossary_link_cell { /* A glossary term table cell in the glossary modal */
  width: 100px;
}

span.gloss_highlight {
  background-color: yellow;
}

span.CodeInline, span.typeintextc {
  font-family: "Menlo";
  background-color: #F0F0F0;
  color: #BD4147;
  padding: 6px 1px;
}

/* The main table for the book index */
table.indextable {
  border: 1px solid #000;
}

tr.indextable {
  background-color: #FFF;
}

td.indextableprimary {
  font-size: 0.9em;
}

td.indextablesecondary {
  font-size: 0.9em;
  text-indent: 1em;
}

td.indextablelink {
  text-align: right;
}

/* Styles for figures and media objects */
.figure-container .caption {
  text-align: center;
  margin: 9px 0px 9px 0px;
  font-style: italic;
  float: none;
}

.figure {
  display: inline-block;
  border: 1px solid #CCC;
  /*box-shadow: 6px 6px 6px rgba(200, 200, 200, 0.7);*/
  padding: 5px 15px;
  border-radius: 11px;
  background-color: #F4F4F4;
  max-width: 100%;
}

.informalfigure {
  display: inline-block;
  border: 1px solid #CCC;
  background-color: #F4F4F4;
  /*box-shadow: 6px 6px 6px rgba(200, 200, 200, 0.7);*/
  padding: 5px 15px;
  margin: 5px 0px;
  border-radius: 11px;
  text-align: left;
  max-width: 100%;
}

.informalfigure .caption {
  text-align: center;
  font-style: italic;
  margin: 0px 0px 10px 0px;
}

.figure-clear-float {
  clear: both;
}

.figure-no-box {
  border: none;
  box-shadow: none;
  background-color: transparent !important;
  border-radius: 0;
}

iframe.vimeo_video {
  border-radius: 8px;
}

.figure-video {
  /*box-shadow: 6px 6px 6px rgba(200, 200, 200, 0.7);*/
  border: none;
}

button.video-speedup-button {
  position: absolute;
  top: 6px;
  right: 6px;
  z-index: 1001;
}

/* Image callouts */
.figure-img-callout {
  display: none;
}

.figure-img-callout-pin {
  position: absolute;
  left: 0px;
  top: 0px;
  opacity: 0.6;
}

/* Table styles */
.inline-table-container .caption {
  text-align: left;
  font-style: italic;
  margin: 6px 0px 12px 0px;
}

.formal-table-number,
.formal-table-caption {
  font-weight: bold;
  font-size: 17px;
}

.formal-table-caption {
  align: left;
  font-style: italic;
  margin-top: 6px;
  margin-bottom: 12px;
  /* This is required to get around bad styling for long captions on small tables */
  margin-right: 5px;
}

.inline-table-container {
  margin: 5px;
  overflow: auto;
}

.table-scroller {
  border: 1px solid #d6d6d6;
  border-radius: 8px;
}

.inline-table {
  border-collapse: collapse;
  text-indent: 0px;
  border-spacing: 0;
  width: 100%;
  overflow: hidden;
  border-radius: 8px;
}

.inline-table tr:first-child th:first-child,
.inline-table tr:first-child td:first-child {
  border-top-left-radius: 8px;
}

.inline-table tr:first-child th:last-child,
.inline-table tr:first-child td:last-child {
  border-top-right-radius: 8px;
}

.inline-table tr:last-child th:first-child,
.inline-table tr:last-child td:first-child {
  border-bottom-left-radius: 8px;
}

.inline-table tr:last-child th:last-child,
.inline-table tr:last-child td:last-child {
  border-bottom-right-radius: 8px;
}

.inline-table tr {
  background-color: #F4F4F4;
}

.inline-table-highlight {
  background-color: #ecefec !important;
}

.inline-table th {
  border-bottom: 1px solid #EEEEEE;
  font-weight: bold;
  text-align: center;
  padding: 12px 6px;
  color: #000000;
  font-size: 1rem !important;
}

.inline-table td {
  padding: 4px 6px;
  vertical-align: top;
}

.inline-table-clear-float {
  clear: both;
}

.inline-table-simple {
  border: 0px none transparent;
  background-color: transparent !important;
}

.inline-table-simple tr {
  border: 0px none transparent;
  background-color: transparent !important;
}

.inline-table-simple th {
  background-color: transparent !important;
  padding: 12px 6px;
  color: #000000;
  font-size: 18px;
}

.inline-table-simple td {
  border: 0px none transparent;
  background-color: transparent !important;
}

/* This overrides styles in another file that gives a padding of 8px */
.table > thead > tr > th,
.table > tbody > tr > th,
.table > tfoot > tr > th,
.table > thead > tr > td,
.table > tbody > tr > td,
.table > tfoot > tr > td {
  padding: 12px;
  font-size: 0.875rem;
  font-family: "Open Sans", sans-serif;
}

/* End of chapter problems and answers */
.eoc-question-answer {
  padding: 0px 0px 4px 0px;
  color: #18364E;
}

.eoc-question-answer-text {
  cursor: pointer;
  cursor: hand;
}

.eoc-question-comment {
  font-style: italic;
}

span.eoc-question-fillinblankterm-visible {
  background-color: transparent;
  border-bottom: 1px solid #223942;
}

span.eoc-question-fillinblankterm-text-visible {
  visibility: visible;
  color: #18364E;
}

span.eoc-question-fillinblankterm-hidden {
  background-color: #E6E6E6;
  border-bottom: 1px solid #223942;
}

span.eoc-question-fillinblankterm-text-hidden {
  visibility: hidden;
  color: #18364E;
}

/** Callouts for help and otherwise */
.help-callouts {
  background-color: #414F58;
  border: 1px solid #444;
  border-radius: 11px;
  opacity: 0.9;
  color: #FFF;
  font-size: 1em;
}

.help-callouts-welcome {
  font-size: 2em;
  color: #96C600;
  font-style: italic;
  font-weight: bold;
  text-align: center;
  padding: 5px;
}

b.help-callouts {
  color: #96C600;
}

/* Inline material styles */
.material-container {
  clear: both;
  border: 1px solid #E8E8E8;
  box-shadow: 0px 0px 2px 0px rgba(0, 0, 0, 0.0196078431), 0px 2px 4px 0px rgba(0, 0, 0, 0.0392156863);
  font-family: "Inter", sans-serif;
  border-radius: 6px;
  padding: 24px 32px;
  margin: 18px 0;
}

.textbook-material-title {
  font-size: 1.125rem;
  text-align: center;
  margin: 12px 0px 12px 0px;
  color: #171717;
}

.textbook-material-icon {
  float: right;
}

.textbook-material-link {
  text-align: right;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.textbook-material-link .icon {
  color: rgb(255, 255, 255);
}

/* Inline activity styles */
.textbook-activity-container {
  clear: both;
  border: 1px solid #004876;
  border-radius: 8px;
  padding: 1.5rem 2rem;
  margin: 48px 0;
  background-color: #FFF;
}

/******** Embedded audio styles ***********/
.embedded-audio {
  display: inline-block;
}

.embedded-audio-title {
  text-align: center;
  font-size: 1.5em;
  line-height: 34px;
  width: 100%;
}

.embedded-audio-content {
  width: 100%;
}

/**********  Reading log and progress box   ***************/
#reading_log_container {
  float: right;
  width: 300px;
  margin: 0px 0px 12px 12px;
  /*box-shadow: 6px 6px 6px rgba(200, 200, 200, 0.7);*/
  border-radius: 4px;
  background-color: #B8C7CD;
}

#reading_log .collapsible-section-container-title {
  border-radius: 4px;
}

#reading_log.collapsible-section-container-opened .collapsible-section-container-title {
  border-bottom-left-radius: 0px;
  border-bottom-right-radius: 0px;
}

#reading_log .collapsible-section-title {
  background-color: #1B445D;
  border-color: #1B445D;
  color: #F4F4F4;
  font-size: 1em;
}

#reading_log .collapsible-section-container-content {
  background-color: #B8C7CD;
  border-left: 1px solid #A1B1B7;
  border-right: 1px solid #A1B1B7;
  border-bottom: 1px solid #A1B1B7;
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
  font-size: 1em;
}

#reading_log a {
  color: inherit;
}

#reading_log .collapsible-section-content {
  padding: 6px 9px;
}

#reading_log div.reading_progress_title {
  display: inline-block;
  background-color: #B8C7CD;
  width: 214px;
  overflow: hidden;
  white-space: nowrap;
  margin-right: 6px;
  font-size: 1em;
}

#reading_log div.reading_progress_bar {
  display: inline-block;
  height: 8px;
  width: 40px;
  border: 1px solid #1B445D;
  background-image: none;
  background-color: #E0EFF5;
}

#reading_log div.reading_progress_bar .ui-progressbar-value {
  background-color: #1B445D;
  background-image: none;
}

#reading_log_container {
  display: none;
}

span.italic {
  font-style: italic;
}

span.bold {
  font-weight: bold !important;
}

th > p {
  width: 50%;
  margin: 0 auto;
  color: #004876;
  font-size: 1.3em;
}

.figure-container {
  margin: 0px 0px 25px 0px;
}

.figure-container .caption {
  padding: 6px;
  font-size: 19px;
  font-weight: bold;
}

.informalfigure title {
  margin: auto;
}

/* GENERAL SIDEBARS
   These affect all types of sidebars, which are noted with the "sidebar" class on the containing div.
   Specific sidebars are give the class docbook-caution, docbook-important, etc.
*/
div.sidebar,
div.caution,
div.important,
div.note,
div.tip,
div.warning {
  border-radius: 4px;
  font-size: 0.9em;
  margin: 0px 12px 12px 0px;
}

div.sidebar .sidebar-title {
  background-color: #004876;
}

div.caution .caution-title {
  background-color: #a02400;
}

div.important .important-title {
  background-color: #7f2073;
}

div.note .note-title {
  background-color: #004876;
}

div.tip .tip-title {
  background-color: #5e5b00;
}

div.warning .warning-title {
  background-color: #a66300;
}

div.sidebar .sidebar-title,
div.caution .caution-title,
div.important .important-title,
div.note .note-title,
div.tip .tip-title,
div.warning .warning-title {
  text-align: center;
  padding: 6px 0px;
  border-radius: 4px 4px 0px 0px;
  font-size: 1.1em;
  color: #FFFFFF;
}

div.sidebar .sidebar-content,
div.caution .caution-content,
div.important .important-content,
div.note .note-content,
div.tip .tip-content,
div.warning .warning-content {
  border-radius: 0px 0px 4px 4px;
  background-color: #EEE;
  padding: 6px 15px;
}

div.sidebar .sidebar-content {
  border: 2px solid #3276b1;
}

div.caution .caution-content {
  border: 2px solid #a02400;
}

div.important .important-content {
  border: 2px solid #7f2073;
}

div.note .note-content {
  border: 2px solid #004876;
}

div.tip .tip-content {
  border: 2px solid #5e5b00;
}

div.warning .warning-content {
  border: 2px solid #a66300;
}

div.sidebar .sidebar-content ol, ul,
div.caution .caution-content ol, ul,
div.important .important-content ol, ul,
div.note .note-content ol, ul,
div.tip .tip-content ol, ul,
div.warning .warning-content ol, ul {
  padding-left: 20px;
}

.sidebar-content > ul,
.caution-content > ul,
.important-content > ul,
.note-content > ul,
.tip-content > ul,
.warning-content > ul {
  margin-left: 0px;
}

.topics-to-understand .sidebar-content > ol > li {
  position: relative;
  margin: 0 4px 6px 4px;
  padding: 4px 8px;
  border-radius: 0px 0px 4px 4px;
  list-style: none;
  border-top: 2px solid #004876;
  background-color: #eee;
}

.topics-to-understand .sidebar-content > ol > li:before {
  content: counter(li); /* for bullet point: '\2022'; */
  counter-increment: li;
  position: absolute;
  top: -2px;
  left: -28px;
  border-radius: 4px 0px 0px 4px;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  width: 28px;
  margin-right: 8px;
  padding: 4px;
  border-top: 2px solid #004876;
  color: #fff;
  background-color: #004876;
  font-weight: bold;
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-align: center;
}

/*.sidebar-content > ul > li > p {
  border-top-style: solid;
  border-top-width: 1px;
  border-color: blue;
}*/
/*.sidebar-content > ul > li > p::before {
  border-top-style: solid;
  border-top-width: 1px;
  border-color: blue;
}*/
/* FOR PARAGRAPHS INSIDE THE SIDEBARS*/
div.sidebar .sidebar-content p,
div.caution .caution-content p,
div.important .important-content p,
div.note .note-content p,
div.tip .tip-content p,
div.warning .warning-content p {
  margin: 6px;
}

/* DO THIS AND SOLUTION BOXES */
div.informal-full-width,
div.sidebar-full-width {
  width: 80%;
  margin: 12px auto;
  clear: both;
}

/* RIGHT-FLOATED SIDEBARS */
div.sidebar-right {
  float: right;
  width: 400px;
  margin: 0px 12px 12px 12px;
}

/* LEFT-FLOATED SIDEBARS */
div.sidebar-left {
  float: left;
  width: 400px;
  margin: 0px 12px 12px 12px;
}

/* INTRODUCTION TO CHAPTER SIDEBARS */
div.sidebar-intro {
  float: left;
  width: 100%;
  margin: 0px 12px 12px 12px;
}

/* SECTION INTRODUCTION */
div.sidebar-section-intro {
  margin-left: auto;
  margin-right: auto;
  width: auto !important;
  max-width: 600px;
}

/* ADDITIONAL STYLE FOR SIDEBARS TO MAKE THEM ORANGE */
div.sidebar-orange .sidebar-title {
  background-color: #f89406;
  color: #F4F4F4;
  text-align: center;
  padding: 6px 0px;
  border-radius: 2px 2px 0px 0px;
  font-size: 1.5em;
}

div.sidebar-orange .sidebar-content {
  border: 2px solid #f89406;
  background-color: #EEE;
  padding: 6px 15px;
  border-radius: 0px 0px 2px 2px;
}

/* Subjects to Understand BOX AT THE TOP OF EVERY CHAPTER */
div.topics-to-understand {
  background-color: #EEE;
  width: 80%;
  margin: 12px auto 12px auto;
  padding: 0px;
}

div.topics-to-understand .sidebar-title {
  font-variant: small-caps;
  font-weight: bold;
  font-size: 1.1em;
  text-align: center;
  color: #FFF;
}

div.topics-to-understand .sidebar-content {
  background-color: #EEE;
  border: 2px solid #004876;
}

div.topics-to-understand ol {
  counter-reset: li;
  margin-left: 0;
  padding-left: 0;
}

div.topics-to-understand ol > li {
  position: relative;
  margin: 4px 4px 6px 28px;
  padding: 4px 8px;
  border-radius: 0px 2px 2px 2px;
  list-style: none;
  border-top: 2px solid #004876;
  background-color: #EEE;
}

div.topics-to-understand li p {
  margin: 4px 0px;
}

div.topics-to-understand ol > li:before {
  content: counter(li);
  counter-increment: li;
  position: absolute;
  top: -2px;
  left: -28px;
  border-radius: 2px 0px 0px 2px;
  -moz-box-sizing: border-box;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  width: 28px;
  margin-right: 8px;
  padding: 4px;
  border-top: 2px solid #004876;
  color: #F4F4F4;
  background-color: #004876;
  font-weight: bold;
  font-family: "Helvetica Neue", Arial, sans-serif;
  text-align: center;
}

div.locked_assessment {
  text-align: center;
  padding-bottom: 30px;
}

.strong {
  color: #222222;
}

.pygments_code {
  margin-bottom: 12px;
  border-radius: 8px;
  border: 1px solid #E8E8E8;
  box-shadow: 0px 0px 2px 0px rgba(0, 0, 0, 0.0196078431), 0px 2px 4px 0px rgba(0, 0, 0, 0.0392156863);
}

.pygments_code pre {
  padding: 12px;
  font-size: 0.8em;
  background-color: inherit;
  border: none;
}

.blockquote :last-child {
  margin-bottom: 0px;
}

/* These styles match the pygments built-in styles for the default formatter */
.pygments_code .hll {
  background-color: #ffffcc;
}

.pygments_code {
  background: #f8f8f8;
}

.pygments_code .c {
  color: #408080;
  font-style: italic;
} /* Comment */
.pygments_code .err {
  border: 1px solid #FF0000;
} /* Error */
.pygments_code .k {
  color: #008000;
  font-weight: bold;
} /* Keyword */
.pygments_code .o {
  color: #666666;
} /* Operator */
.pygments_code .cm {
  color: #408080;
  font-style: italic;
} /* Comment.Multiline */
.pygments_code .cp {
  color: #BC7A00;
} /* Comment.Preproc */
.pygments_code .c1 {
  color: #408080;
  font-style: italic;
} /* Comment.Single */
.pygments_code .cs {
  color: #408080;
  font-style: italic;
} /* Comment.Special */
.pygments_code .gd {
  color: #A00000;
} /* Generic.Deleted */
.pygments_code .ge {
  font-style: italic;
} /* Generic.Emph */
.pygments_code .gr {
  color: #FF0000;
} /* Generic.Error */
.pygments_code .gh {
  color: #000080;
  font-weight: bold;
} /* Generic.Heading */
.pygments_code .gi {
  color: #00A000;
} /* Generic.Inserted */
.pygments_code .go {
  color: #808080;
} /* Generic.Output */
.pygments_code .gp {
  color: #000080;
  font-weight: bold;
} /* Generic.Prompt */
.pygments_code .gs {
  font-weight: bold;
} /* Generic.Strong */
.pygments_code .gu {
  color: #800080;
  font-weight: bold;
} /* Generic.Subheading */
.pygments_code .gt {
  color: #0040D0;
} /* Generic.Traceback */
.pygments_code .kc {
  color: #008000;
  font-weight: bold;
} /* Keyword.Constant */
.pygments_code .kd {
  color: #008000;
  font-weight: bold;
} /* Keyword.Declaration */
.pygments_code .kn {
  color: #008000;
  font-weight: bold;
} /* Keyword.Namespace */
.pygments_code .kp {
  color: #008000;
} /* Keyword.Pseudo */
.pygments_code .kr {
  color: #008000;
  font-weight: bold;
} /* Keyword.Reserved */
.pygments_code .kt {
  color: #B00040;
} /* Keyword.Type */
.pygments_code .m {
  color: #666666;
} /* Literal.Number */
.pygments_code .s {
  color: #BA2121;
} /* Literal.String */
.pygments_code .na {
  color: #7D9029;
} /* Name.Attribute */
.pygments_code .nb {
  color: #008000;
} /* Name.Builtin */
.pygments_code .nc {
  color: #0000FF;
  font-weight: bold;
} /* Name.Class */
.pygments_code .no {
  color: #880000;
} /* Name.Constant */
.pygments_code .nd {
  color: #AA22FF;
} /* Name.Decorator */
.pygments_code .ni {
  color: #999999;
  font-weight: bold;
} /* Name.Entity */
.pygments_code .ne {
  color: #D2413A;
  font-weight: bold;
} /* Name.Exception */
.pygments_code .nf {
  color: #0000FF;
} /* Name.Function */
.pygments_code .nl {
  color: #A0A000;
} /* Name.Label */
.pygments_code .nn {
  color: #0000FF;
  font-weight: bold;
} /* Name.Namespace */
.pygments_code .nt {
  color: #008000;
  font-weight: bold;
} /* Name.Tag */
.pygments_code .nv {
  color: #19177C;
} /* Name.Variable */
.pygments_code .ow {
  color: #AA22FF;
  font-weight: bold;
} /* Operator.Word */
.pygments_code .w {
  color: #bbbbbb;
} /* Text.Whitespace */
.pygments_code .mf {
  color: #666666;
} /* Literal.Number.Float */
.pygments_code .mh {
  color: #666666;
} /* Literal.Number.Hex */
.pygments_code .mi {
  color: #666666;
} /* Literal.Number.Integer */
.pygments_code .mo {
  color: #666666;
} /* Literal.Number.Oct */
.pygments_code .sb {
  color: #BA2121;
} /* Literal.String.Backtick */
.pygments_code .sc {
  color: #BA2121;
} /* Literal.String.Char */
.pygments_code .sd {
  color: #BA2121;
  font-style: italic;
} /* Literal.String.Doc */
.pygments_code .s2 {
  color: #BA2121;
} /* Literal.String.Double */
.pygments_code .se {
  color: #BB6622;
  font-weight: bold;
} /* Literal.String.Escape */
.pygments_code .sh {
  color: #BA2121;
} /* Literal.String.Heredoc */
.pygments_code .si {
  color: #BB6688;
  font-weight: bold;
} /* Literal.String.Interpol */
.pygments_code .sx {
  color: #008000;
} /* Literal.String.Other */
.pygments_code .sr {
  color: #BB6688;
} /* Literal.String.Regex */
.pygments_code .s1 {
  color: #BA2121;
} /* Literal.String.Single */
.pygments_code .ss {
  color: #19177C;
} /* Literal.String.Symbol */
.pygments_code .bp {
  color: #008000;
} /* Name.Builtin.Pseudo */
.pygments_code .vc {
  color: #19177C;
} /* Name.Variable.Class */
.pygments_code .vg {
  color: #19177C;
} /* Name.Variable.Global */
.pygments_code .vi {
  color: #19177C;
} /* Name.Variable.Instance */
.pygments_code .il {
  color: #666666;
} /* Literal.Number.Integer.Long */
/* Adjustments for layout mode 1 */
/*styles for the tabs to collapse panels*/
.collapse_bar_left {
  margin-left: -27px;
  position: fixed;
  top: 50%;
  width: 24px;
  height: 25px;
  cursor: w-resize;
}

.collapse_bar_right {
  position: fixed;
  top: 50%;
  width: 24px;
  height: 25px;
  padding-left: 0.65em;
  cursor: e-resize;
}

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

.collapse_lines {
  justify-content: space-between;
}

/* Adjustments for layout mode 2 */
#reader_layout.reader_layout_2 .navigation_arrow_left {
  left: 0px;
}

#reader_layout.reader_layout_2 .navigation_arrow_right {
  right: 0px;
}

#reader_layout.reader_layout_2 .navigation_arrow_container {
  margin: 32px 2px;
}

#reader_layout.reader_layout_2 .navigation_arrow > .icon {
  font-size: 3.4em;
  margin: -11px;
  height: 100px;
  line-height: 100px;
}

#reader_layout.reader_layout_2 #reader_content {
  margin: 0 33px;
  padding-right: 9px;
  padding-left: 9px;
}

#reader_layout.reader_layout_2 .sectioncontent {
  padding: 0 6px;
}

#reader_layout.reader_layout_2 p.para {
  margin: 0 6px 12px 6px;
}

#reader_layout.reader_layout_2 #left_content,
#reader_layout.reader_layout_2 #right_content {
  background-color: rgba(232, 232, 232, 0);
  display: block;
}

#reader_layout.reader_layout_2 #left_content {
  direction: rtl;
  width: 535px;
  height: 100%;
  left: -475px;
}

#reader_layout.reader_layout_2 #content_navigation_panel {
  background-color: rgb(232, 232, 232);
  box-shadow: 5px 5px 5px #888888;
  direction: ltr;
  width: 475px;
  height: 100%;
  float: left;
}

#reader_layout.reader_layout_2 #right_content {
  right: -500px;
  width: 540px;
}

#reader_layout.reader_layout_2 .toolbar_tab {
  display: block;
}

#reader_layout.reader_layout_2 .toolbar_tab_inside {
  display: block;
}

#reader_layout.reader_layout_2 .toolbar_tab_inside_left {
  display: block;
}

#reader_layout.reader_layout_2 #close_toolbar {
  display: block;
}

#reader_layout.reader_layout_2 #close_booktools {
  display: block;
}

/* Customization for the highlighter switch in the reader */
.bootstrap-switch {
  border: 2px solid lightgray !important;
}

.bootstrap-switch-container {
  background: #565656;
  color: white;
  border-radius: 0px !important;
}

.bootstrap-switch .bootstrap-switch-label {
  background: lightgray;
}

.alert-black {
  background-color: rgba(0, 0, 0, 0.8);
  border-color: #000;
  color: #fff;
}

.alert-black > button {
  color: white;
}

.alert-black > button span {
  color: white;
}

.alert-badge {
  position: fixed;
  bottom: 10px;
  z-index: 5000;
  margin-left: auto;
  margin-right: auto;
  width: 50%;
}

.disqus-error {
  color: red;
  text-align: center;
  padding: 15px;
  margin: 10px;
  border: 3px solid red;
  border-radius: 5px;
}

/*
  BOOKTOOLS
*/
#booktools_container {
  width: 275px;
  background-color: rgba(232, 232, 232, 0);
}

#reader_layout.reader_layout_2 #booktools_container {
  width: 500px;
  height: 100%;
  float: right;
  background-color: rgb(232, 232, 232);
}

#booktools_container_inner {
  padding: 12px 24px 18px 18px;
  overflow: hidden;
  color: #202020;
}

.center {
  text-align: center;
}

.booktools_item label {
  color: #6B6B6B;
  font-size: 0.85em;
  line-height: 28px;
}

.booktools_item_bottom {
  margin-bottom: 30px;
}

.btn-primary {
  margin: 0;
}

#tools_button {
  padding-top: 3px;
  padding-bottom: 3px;
}

.separator {
  height: 1px;
  border-radius: 10px;
  margin: auto;
  background-color: rgba(0, 0, 0, 0.25);
}

.right_options_links {
  color: #005b9a;
  text-decoration: none;
  font-size: 0.85em;
}

.right_options_links:hover {
  color: #00355a;
}

#standard {
  font-size: 1em;
}

/*
  NAVIGATION TOOLBAR
*/
#toolbar_nav_back {
  margin: 6px 0 0 12px;
}

#toolbar_nav_back > a {
  color: #333333;
}

/* Toolbar item list */
#toolbar_item_list {
  padding: 0;
  margin: 12px 0 0 0;
}
body[data-subdomain=embed] #toolbar_item_list {
  margin-top: 0;
}

#toolbar_item_list .toolbar_item_section_title_container {
  padding: 12px;
  font-family: "Inter", sans-serif;
}

#toolbar_item_list .progress_container {
  padding: 6px;
}

#toolbar_item_list .section_title {
  color: #6B6B6B;
  margin-bottom: 12px;
}

#toolbar_item_list .progress span {
  position: absolute;
  display: block;
  width: 93%;
}

#toolbar_item_list > li.toolbar_item {
  position: relative;
  padding: 1px 12px;
}

#toolbar_item_list > li.toolbar_item.active > a {
  background-color: #D6E1FF;
  color: #5C5C5C;
  font-weight: bold;
}

#toolbar_item_list > li.toolbar_item > a {
  margin: 0;
  padding: 8px 12px;
  border-radius: 7px;
}

#toolbar_item_list > li.toolbar_item.active::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 50%;
  transform: translateY(-50%);
  width: 9px;
  height: 20px;
  background-color: #004876;
  border-radius: 7px;
}

#toolbar_item_list > li.toolbar_item > a.toolbar_item_link:hover {
  background-color: #D6E1FF;
}

#toolbar_item_list > li.toolbar_item > a.toolbar_item_link:hover .icon {
  color: #F4F4F4 !important;
}

#toolbar_item_list .section_completion_icon {
  float: right;
  margin-left: 6px;
  font-size: 18px;
}

#toolbar_item_list .toolbar_item_detail_row {
  margin: 6px 3px 0 12px;
}

#toolbar_item_list .detail_completion_icon {
  float: right;
  margin: 2px 0 0 12px;
}

#toolbar_item_list .detail_completion_percentage {
  float: right;
}

#toolbar_item_list .detail_completion_title {
  font-size: 0.9em;
}

/* Analytics update button */
.toolbar_nav_analytics_status_container {
  text-align: center;
}

.toolbar_nav_analytics_status_container .icon {
  margin-top: -2px;
}

.toolbar_item_title,
.toolbar_item i,
.section_completion_icon {
  color: #6b6b6b;
}

.toolbar_item_title {
  font-family: "Open Sans", sans-serif;
  font-size: 0.875rem;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}

/* Highlighter */
.bootstrap-switch.bootstrap-switch-focused {
  border: 2px solid #F4F4F4;
  border-radius: 2px;
  box-shadow: none;
}

.bootstrap-switch .bootstrap-switch-handle-on.bootstrap-switch-default,
.bootstrap-switch .bootstrap-switch-handle-off.bootstrap-switch-default {
  background-color: transparent;
  color: inherit;
}

.bootstrap-switch.bootstrap-switch-on .bootstrap-switch-label {
  border-radius: 0;
}

.bootstrap-switch.bootstrap-switch-off .bootstrap-switch-label {
  border-radius: 0;
  margin-left: -1px;
}

.tag_button {
  color: #a1a1a1;
  float: left;
  margin-top: 2px;
  margin-right: 3px;
  padding-right: 0px;
}

.tag_button:hover > .icon_close3 {
  visibility: visible;
}

.icon_close3 {
  visibility: hidden;
}

.icon_close3:hover {
  color: darkred;
}

/* Text size */
#text_size_smaller > .icon,
#text_size_larger > .icon {
  margin: -2px 0 0 0;
}

#text_size {
  display: inline-block;
  min-width: 40px;
  text-align: center;
}

/* Templates for the notes popovers */
#bookcontent .popover {
  min-width: 300px;
}

.studybar-note-container {
  font-size: 0.9em;
}

.studybar-note-container .studybar-note-controls {
  float: right;
  white-space: nowrap;
}

.studybar-note-container .studybar-note-editor-textarea {
  height: 128px;
  width: 338px; /* Popover width - 42 */
}

.studybar-note-container .studybar-spacer {
  display: inline-block;
  width: 2px;
}

/* Color Selectors */
.color_picker_container .color_picker_item {
  display: inline-block;
  vertical-align: middle;
  text-align: center;
  width: 17px;
  height: 17px;
  font-size: 12px;
  cursor: pointer;
  color: #666;
}

.user_highlight_yellow {
  background-color: #FFFF84;
}

.user_highlight_orange {
  background-color: #FFD98C;
}

.user_highlight_green {
  background-color: #A5FFDE;
}

.user_highlight_cyan {
  background-color: #A2FFFF;
}

.user_highlight_purple {
  background-color: #EBC7FF;
}

.user_highlight_pink {
  background-color: #FECEF0;
}

.user_highlight_blue {
  background-color: #A1DEFF;
}

.user_highlight_gray {
  background-color: #C9C9C9;
}

.user_highlight_yellow_underline {
  border-bottom: 2px solid #CCCC51;
}

.user_highlight_orange_underline {
  border-bottom: 2px solid #CCA659;
}

.user_highlight_green_underline {
  border-bottom: 2px solid #72CCAB;
}

.user_highlight_cyan_underline {
  border-bottom: 2px solid #6FCCCC;
}

.user_highlight_purple_underline {
  border-bottom: 2px solid #B894CC;
}

.user_highlight_pink_underline {
  border-bottom: 2px solid #CB9BBD;
}

.user_highlight_blue_underline {
  border-bottom: 2px solid #6EABCC;
}

.user_highlight_gray_underline {
  border-bottom: 2px solid #A0A0A0;
}

/* Textarea for note */
.highlight_textarea {
  margin: 12px 0 6px 0;
  max-width: 100%;
  width: 100%;
  height: 100px;
}

#searchID {
  height: 2em;
}

.author_tools_hover {
  box-shadow: 0 0 4px #004876;
}

.advanced_menu_disabled {
  color: #CCCCCC !important;
}

.advanced_menu_disabled > .icon {
  color: #CCCCCC !important;
}

/*
RESPONSIVE DESIGN MEDIA QUERIES
*/
@media (max-width: 500px) {
  ul {
    margin-left: 15px;
  }
  ol {
    margin-left: 0px;
  }
  .textbook-material-link .btn {
    font-size: 0.8em;
  }
  .navigation_arrow_right {
    right: 0.3em !important;
    top: 4.61em;
  }
  .navigation_arrow_right .icon {
    font-size: 1.9em;
  }
  .navigation_arrow_left {
    left: 0.3em !important;
    top: 4.61em;
  }
  .navigation_arrow_left .icon {
    font-size: 1.9em;
  }
  #left_content, #right_content {
    width: 255px;
    font-size: 90%;
  }
  #bookcontent .sectioncontent .figure-container .informalfigure iframe {
    max-width: 225px !important;
  }
  #bookcontent .sectioncontent .figure-container .informalfigure audio {
    width: 225px !important;
  }
  .textbook-activity-container {
    padding: 0.6em 0.5em;
  }
  .textbook-activity-container .submission-feedback-box {
    float: none;
    margin-left: 0em;
    font-size: 0.75em;
  }
  .textbook-activity-container .collapsible-section-container > .collapsible-section-container-content {
    padding: 0.3em 0.6em;
  }
  .textbook-activity-container ol.activity-question-list > li {
    padding: 0em 0em !important;
    margin: 0 0.1em 0.1em 0.7em !important;
  }
  .textbook-activity-container .activity-question .form-table {
    margin-left: 0em;
    width: 80%;
  }
  .textbook-activity-container .activity-question .form-fileitem-widget .select_file_button {
    margin-right: 0em;
    min-width: 45px;
  }
  .textbook-activity-container .activity-question .form-fileitem-widget .progress {
    min-width: 125px;
  }
  .textbook-activity-container .activity-question table.multiple_file_upload {
    width: auto;
    min-width: 150px;
  }
  .textbook-activity-container .activity-question .activity-question-answer {
    margin-left: 0em;
  }
  .textbook-activity-container .matching-question .matching-question-pair {
    padding: 10px 0px 10px 10px;
  }
  .textbook-activity-container .matching-question .matching-question-pair .matching-question-key,
  .textbook-activity-container .matching-question .matching-question-pair .matching-question-answer,
  .textbook-activity-container .matching-question .matching-question-pair .matching-question-answer-placeholder,
  .textbook-activity-container .matching-question .matching-question-answers-container .matching-question-answer {
    max-width: 155px;
    padding: 15px 0px 15px 15px;
    text-align: left;
  }
  .textbook-activity-container .matching-question .matching-question-answers-container {
    margin-right: 0em;
    padding-right: 0em;
    min-width: 155px;
  }
}
@media (max-width: 600px) {
  #bookcontent .chapter {
    font-size: 0.9em;
  }
  #bookcontent .chapter p {
    margin: 0.5em 0em 0.5em 0em;
  }
  #bookcontent .sectioncontent {
    font-size: 0.9em;
    padding: 0 0 0.5em 0;
  }
  #bookcontent .sectioncontent p {
    margin: 0.5em 0em 0.5em 0em;
  }
  #bookcontent .sectioncontent .figure-container .informalfigure {
    padding: 0px 0px;
  }
  #bookcontent .sectioncontent .figure-container .informalfigure div {
    height: auto !important;
    width: auto !important;
  }
  #bookcontent .sectioncontent .figure-container .informalfigure iframe {
    width: auto !important;
    height: auto !important;
  }
  .textbook-activity-container {
    padding: 0.6em 0.5em;
    word-wrap: break-word;
  }
}
@media (min-width: 420px) and (max-width: 767px) {
  .navigation_arrow_right {
    right: 0.2em !important;
    top: 4.325em;
  }
  .navigation_arrow_right .icon {
    font-size: 2.2em;
  }
  .navigation_arrow_left {
    left: 0.2em !important;
    top: 4.325em;
  }
  .navigation_arrow_left .icon {
    font-size: 2.2em;
  }
  #bookcontent .chapter {
    font-size: 0.95em;
  }
  #bookcontent .sectioncontent {
    font-size: 0.95em;
  }
  .textbook-activity-container {
    word-wrap: break-word;
  }
  .textbook-activity-container .submission-feedback-box {
    float: right;
    margin-left: 0.5em;
    font-size: 1em;
  }
  .textbook-activity-container .activity-question .form-table {
    margin-left: 0em;
    width: 80%;
  }
  .textbook-activity-container .activity-question .form-fileitem-widget .select_file_button {
    margin-right: 0em;
    min-width: 60px;
  }
  .textbook-activity-container .activity-question .form-fileitem-widget .progress {
    min-width: 225px;
  }
  .textbook-activity-container .activity-question table.multiple_file_upload {
    width: auto;
    min-width: 250px;
  }
  .textbook-activity-container .activity-question .activity-question-answer {
    margin-left: 0em;
  }
  .textbook-activity-container .matching-question .matching-question-pair {
    padding: 10px 0px 10px 10px;
  }
  .textbook-activity-container .matching-question .matching-question-pair .matching-question-key,
  .textbook-activity-container .matching-question .matching-question-pair .matching-question-answer,
  .textbook-activity-container .matching-question .matching-question-pair .matching-question-answer-placeholder,
  .textbook-activity-container .matching-question .matching-question-answers-container .matching-question-answer {
    max-width: 255px;
    padding: 15px 0px 15px 15px;
    text-align: left;
  }
  .textbook-activity-container .matching-question .matching-question-answers-container {
    margin-right: 0em;
    padding-right: 0em;
    min-width: 255px;
  }
}
@media (min-width: 601px) and (max-width: 767px) {
  #bookcontent .chapter {
    font-size: 1em;
  }
  #bookcontent .sectioncontent {
    font-size: 1em;
  }
}
@media (max-width: 767px) {
  #bookcontent p {
    max-width: 33.5em;
  }
  #bookcontent div.sidebar-right {
    float: none;
    width: auto;
    max-width: 400px;
  }
  #bookcontent div.sidebar-left {
    float: none;
    width: auto;
    max-width: 400px;
  }
  #bookcontent .sectioncontent .figure-container {
    float: none !important;
    margin-left: 0em !important;
    text-align: center;
  }
  #left_content {
    margin-top: 95px;
  }
  #advanced_options_button {
    margin-bottom: 0.5em;
  }
  #support_button {
    margin-bottom: 0.5em;
  }
}
.matching-cards-grid > div {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin: 20px 0;
}

.matching-card {
  min-height: 100px;
  background-color: #FCFCFC;
  border: 1px solid #E8E8E8;
  border-radius: 8px;
  cursor: pointer;
  padding: 15px;
  font-size: 16px;
  line-height: 1.4;
  transition: background-color 0.2s ease, border-color 0.2s ease;
  text-align: left;
  position: relative;
}

.matching-card:hover:not(.matched) {
  border-color: #2563eb;
}

.matching-card:focus {
  outline: 3px solid #2563eb;
  outline-offset: 2px;
}

.matching-card.selected {
  background-color: #dbeafe;
  border-color: #2563eb;
}

.matching-card.matched {
  background-color: #dcfce7;
  border-color: #16a34a;
  cursor: not-allowed;
}

.checkmark {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.matching-card.matched .checkmark {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .matching-card, .checkmark {
    transition: none;
  }
}
@media (max-width: 640px) {
  .matching-cards-grid {
    grid-template-columns: 1fr;
  }
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.calculator {
  max-width: 300px;
  margin: 0 auto;
  padding: 20px;
  background: white;
  border-radius: 8px;
  box-shadow: 0px 0px 2px 0px rgba(0, 0, 0, 0.0196078431), 0px 2px 4px 0px rgba(0, 0, 0, 0.0392156863);
  border: 1px solid #E8E8E8;
  font-family: "Inter", sans-serif;
}
.calculator .calculator-title {
  font-size: 1.125rem;
  margin-bottom: 12px;
  text-indent: 0px;
  color: #171717;
}

#solve-for {
  width: 100%;
}

#periods {
  max-width: 33%;
}

.solve-for {
  margin-bottom: 0rem;
}

.calc-container {
  margin-top: 1.875rem;
}

.show-calc {
  text-decoration: none;
  margin-bottom: 10px;
}

.similar-input {
  max-width: 50%;
}

.calculator-input {
  padding: 0.3rem;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
}

.error {
  font-size: 0.55rem;
  margin-top: 0.16rem;
  color: red;
}

#btn-container button {
  width: 50%;
}

#result {
  margin-top: 0.625rem;
  padding: 0.625rem;
  border-radius: 4px;
  font-weight: 500;
  background-color: #DDEEEE;
  color: #2c7571;
}
#result span {
  font-size: 13px;
}

#formula {
  margin-top: 10px;
  font-family: "Courier New", Courier, monospace;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 10px;
  background: white;
  z-index: 100;
}

.skip-link:focus {
  left: 0;
}

.crossword-container {
  font-family: Arial, sans-serif;
  padding: 20px;
}

.crossword-clue {
  margin-bottom: 6px;
  padding: 6px 12px;
  border-bottom: 1px solid #d4d4d4;
  line-height: 26px;
}

.button-container {
  display: flex;
  margin: 0px 16px;
  flex-direction: row;
  align-items: center;
  justify-content: center;
}

.crossword-action-button {
  margin-left: 12px;
  margin-right: 12px;
}

.grid {
  display: flex;
  margin: 20px auto;
  flex-direction: column;
  align-items: center;
}

.crossword-row {
  visibility: hidden;
}

.row {
  display: flex;
}

.cell {
  border: 1px solid #999;
  position: relative;
  background: white;
}

.cell.black {
  background: black;
}

.cell-number {
  position: absolute;
  top: 2px;
  left: 2px;
  font-size: 24px;
}

.cell input {
  width: 100%;
  height: 100%;
  border: none;
  text-align: center;
  font-size: 36px;
  text-transform: uppercase;
  padding: 0;
  margin: 0;
  outline: none;
}

.cell input:focus {
  background: #e6f3ff;
  outline: 2px solid #0056b3;
}

.cell.correct input {
  background-color: #e8f5e9;
}

@keyframes checkAppear {
  from {
    opacity: 0;
    transform: scale(0.8) rotate(-20deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}
.check-mark {
  position: absolute;
  top: 2px;
  right: 2px;
  color: #4CAF50;
  font-size: 24px;
  display: none;
  opacity: 0;
}

.cell.correct .check-mark {
  display: block;
  animation: checkAppear 0.3s ease-out forwards;
}

.clues {
  margin-top: 20px;
}

.clue-list {
  flex: 1;
}

.sr-status {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.x-mark {
  position: absolute;
  top: 2px;
  right: 2px;
  color: #dc3545;
  font-size: 24px;
  display: none;
  opacity: 0;
}

.cell.incorrect {
  animation: incorrectFade 2s ease-in-out;
}

.cell.incorrect input {
  background-color: #ffe6e6;
}

.cell.incorrect .x-mark {
  display: block;
  animation: markAppear 0.3s ease-out forwards;
}

@keyframes incorrectFade {
  0% {
    background-color: #ffe6e6;
  }
  80% {
    background-color: #ffe6e6;
  }
  100% {
    background-color: transparent;
  }
}
@keyframes markAppear {
  from {
    opacity: 0;
    transform: scale(0.8) rotate(45deg);
  }
  to {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

/*# sourceMappingURL=web.scss.css.map */