.hero { background-color: #D3F8F1; padding-top: 50px;  }
.hero .eyebrow {font-size: 18px; text-transform: uppercase; margin-bottom: 0; }
.hero p.header a {color: black;}
.hero p.header { font-size: 40px; margin-top: 0px; }
.hero p {font-size: 21px; margin-bottom: 0; margin-top: .5em; }
strong { font-weight: 600; }
.hero .content { padding-bottom: 50px; }
.sec-block { padding: 40px 0; }
.mt-1 { margin-top: 1em; }
.toc-button { background-color: #fff; }

.guide-to-vector-design .hero { min-height: 400px; overflow: hidden; }
.guide-to-vector-design .hero .image img { position: absolute; width: 150%; top: -70px; left: 50%; transform: translateX(-50%);}
.guide-to-vector-design .hero .row { display: flex; justify-content: center; }
.guide-to-vector-design .chapter-content .row > div { padding-bottom: 25px; }

#sidebar { background: #F5F8FA; transition: all 0.3s; }
.toc { position: sticky; top: 15px; }
#sidebar a,
#sidebar a:hover,
#sidebar a:focus { color: inherit; }
#sidebar.active { margin-left: 0; }
#sidebar .sidebar-header { padding: 20px; background: #6d7fcc; }
#sidebar ul.components { padding: 10px 0 0; margin-bottom: 0; }
#sidebar ul p { color: #333; padding: 0px 10px 0px 30px; }
#sidebar ul li a { padding: 10px 45px 10px 30px; font-weight: 500; display: block; text-decoration: none; }
#sidebar ul li a:hover { color: #333; background: #daecf6; }
#sidebar ul li ul li a:hover { color: #333; background: #ebf5fc; }
#sidebar ul li.active > a,
a[aria-expanded="true"] { color: #333; background: #daecf6; }
#sidebar a[data-toggle="collapse"] { position: relative; }
#sidebar a[aria-expanded="false"]::before,
#sidebar a[aria-expanded="true"]::before { content: '\e259'; display: block; position: absolute; right: 20px; font-family: 'Glyphicons Halflings'; font-size: 0.8em; }
#sidebar a[aria-expanded="true"]::before { content: '\e260'; }
#sidebar ul ul a { font-weight: normal; padding-left: 30px !important; background: #fcfdfd; }
#toc-button { min-width: 100%; }
.panel-heading { padding: 0; }

.accordion-toggle { background-color: red; color: #333; }
.accordion-toggle:hover { color: #333; text-decoration: none; }
.accordion-toggle:focus { color: #333; text-decoration: none; }
.panel { box-shadow: none; }
.panel-title { font-size: 14px; padding: 10px 45px 10px 30px; font-weight: 500; }
.panel-group .panel+.panel { margin-top: 0; }
.panel-body { padding: 7px 30px; background-color: #fcfdfd; }
.panel-body a { color: #333; text-decoration: none; display: block; padding: 7px 0; }
.panel-body a.active { font-weight: bold; }
.accordion-toggle .panel-title { background-color: #daecf6; line-height: 1.25em; position: relative; }
.accordion-toggle.collapsed .panel-title { background-color: #f5f8fa; }
.accordion-toggle .panel-title:after { font-family: 'Glyphicons Halflings'; content: "\e260"; position: absolute; bottom: 25%; right: 20px; top: 33%; }
.accordion-toggle.collapsed .panel-title:after { content: "\e259"; }
.panel-group .panel-heading+.panel-collapse>.list-group, .panel-group .panel-heading+.panel-collapse>.panel-body { border-top: 0; }
.panel-default, .panel-heading { border: 0 !important; background-color: transparent; }

.chapter-content h1 { font-size: 40px; margin-bottom: 30px; }
.chapter-content h2 { font-size: 24px; margin: 30px 0 0; font-weight: 500; }
.chapter-content h4 { font-size: 16px; margin: 30px 0 0; font-weight: 600; }
.chapter-content .next-article { margin: 40px 0 15px; }
.chapter-content .next-article a { color: #333; }
.chapter-content .next-article a:hover { text-decoration: none; }
.chapter-content .next-article h4 { font-size: 16px; font-weight: 500; }
.chapter-content .next-article p { font-size: 16px; }
.chapter-content .next-article img { margin: 10px 0 0; }
.chapter-content p.summary { font-size: 16px; font-weight: 500; }
.chapter-content p { font-size: 16px; }
.chapter-content ul li { font-size: 14px; }
.highlight { background-color: #fafbfc; padding: 10px 0 0 0; }
.highlight ul { padding-left: 1.25em; }

.source { font-style: italic; }
.source a { color: #000; text-decoration: underline; }
.source a:hover { text-decoration: none; }
.img-source { text-align: center; }

.cta { background: #02093A; color: #fff; border-radius: 5px; }
.cta .content { padding: 45px 40px 45px 40px; }
.cta .image { padding: 20px 0px; }
.cta h2 { margin-top: 0; font-size: 30px; }
.cta p { margin: 20px 0 30px; font-size: 14px; max-width: 450px; }
.cta .btn { min-width: 160px; margin: 7px 5px; }
.btn-learn-more { background: #fff; color: #333; margin-left: 15px; }
.btn-learn-more:hover { opacity: 0.9; }

.mt-10 {margin-top: 10px;}
.mt-20 {margin-top: 20px;}
.mt-30 {margin-top: 30px;}
.mt-40 {margin-top: 40px;}
.mb-10 {margin-bottom: 10px;}
.mb-20 {margin-bottom: 20px;}
.mb-30 {margin-bottom: 30px;}
.mb-40 {margin-bottom: 40px;}

.section-info { display: flex; align-items: flex-start; gap: 30px; margin: 30px 0; }
.section-info img { width: auto !important; max-width: 245px; }
.section-info h4 { margin: 0; margin-bottom: 10px; }
.section-info .description a:first-of-type { color: #333; }
.section-info .description a:first-of-type:hover { text-decoration: none; }
.section-info .description p { margin-bottom: 5px; }
.section-info .description { flex: 1; }

.italic { font-style: italic; }

@media screen and (max-width: 375px) {
    .chapter-content .next-article {padding: 0 10px;}
}

@media (max-width: 600px) {
    .section-info { flex-direction: column; }
}
@media (min-width: 768px) {
    .vertical-align { display: flex; align-items: center; }
    .hero { padding-top: 20px; }
    #toc-button { display: none; }
}
@media (max-width: 767px) {
    .hero { display: none; }
    .hero .content { margin-bottom: 0px; }
    .hero .eyebrow {font-size: 16px; text-transform: uppercase; margin-bottom: 10px; }
    .hero h1 { font-size: 24px;  margin-bottom: 20px; }
    .hero p {font-size: 14px; margin-bottom: 0; }
    .chapter-content .col-xs-12 {padding: 15px; }
    .chapter { padding: 25px 0; }
    .chapter h1 { font-size: 24px; font-weight: 500; }
    .chapter p { font-size: 16px; }
    .chapter, .chapter .sec-block { padding-bottom: 0; padding-top: 0; }
    .panel-body { background-color: #f5f8fa; padding: 20px 30px; }
    .panel-group { margin-bottom: 0px; }
    .chapter-content .next-article { margin-top: 0; }
    .cta { padding: 45px 40px; border-radius: 0; text-align: center; }
    .cta h2 { margin-top: 0; font-size: 24px; }
    .cta p { margin: 20px auto 30px; font-size: 14px; max-width: 450px; }
    .cta .btn { min-width: 200px; }
    .cta .image { display: none; }
    .cta .content { padding: 0; }
    #sidebar.active { margin-top: 0; }
    #sidebarCollapse { outline: 0px; outline-offset: 0; width: 100%; }
    #sidebarCollapse span{ padding-left: .5em; }
    #sidebar ul.components { padding-top: 0; }
    #sidebar ul.components p.title{ padding-top: 1em; margin: 0 0 .5em; }
    .btn-info { margin-top: 15px; margin-bottom: 0px; border: 0; }
    .btn-info.active:focus, .btn-info.active:hover{ border: 0; box-shadow: none; }
    #toc-button { display: block; }
    .toc { position: unset; }
    #show-toc { display: none; }
}
@media (max-width: 1138px) {
    .hero .content { margin-bottom: 0px; }
    .hero .eyebrow {font-size: 18px; text-transform: uppercase; margin-bottom: 10px; }
    .hero h1 { font-size: 34px;  margin-bottom: 20px; }
    .hero p {font-size: 17px; margin-bottom: 0; }
}
@media (max-width: 992px) {
    .hero .content { margin-bottom: 0px; padding-bottom: 20px; }
    .hero .eyebrow {font-size: 16px; text-transform: uppercase; margin-bottom: 10px; }
    .hero h1 { font-size: 30px;  margin-bottom: 20px; }
    .hero p {font-size: 15px; margin-bottom: 0; }
    .cta { border-radius: 0; }
    .sec-block { padding-bottom: 0; }
}
@media (min-width: 1200px) {
}