body {
  font-size: 15px;
  color: #1f1f1f;
  font-family: 'PT Sans', sans-serif;
}

a {
  text-decoration: none;
  color: #009688
}

a:hover {
  color: #1f1f1f;
}

.btn-primary {
  background: #009688;
  border-color: #009688;
}

.nav-pills .nav-link.active,
.nav-pills .show>.nav-link {
  background-color: #009688;
}

header,
footer {
  background: #3b3b3b
}

.card-header {
  font-size: 1.2em;
  font-weight: 600;
  padding: 1em;
}

.card-header h2 {
  font-size: 1.2em;
  font-weight: 600;
  margin-bottom: 0;
}

.card-body ul {
  list-style: none;
  margin-bottom: 0;
  padding-left: 0;
}

ul.two-col {
  display: flex;
  flex-wrap: wrap
}

ul.two-col li {
  width: 50%;
  border-bottom: 1px solid #f1f1f1;
  margin-bottom: .6em;
  padding-bottom: .6em;
}

ul.two-col li:last-child,
ul.two-col li:nth-last-child(2) {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

ul.two-col li a svg {
  padding-right: 10px;
  color: #3b3b3b
}

ul.letter-menu {
  list-style: none;
  padding-left: 0;
  display: flex;
  justify-content: space-between;
  padding: 0 4em;
  border-top: 1px solid #e7e7e7;
  border-bottom: 1px solid #e7e7e7;
}

ul.letter-menu li a {
  color: #1f1f1f;
  display: block;
  padding: 1em 0;
  font-weight: 600
}

ul.letter-menu li a:hover {
  color: #009688;
}

.card {
  border: 1px solid rgb(241, 241, 241);
  border-top: 2px solid #202025;
  border-radius: 0 !important;
}

.card-header {
  background: none;
  border-radius: 0 !important;
}

.meaning {
  margin-bottom: 10px
}

.meaning a {
  font-weight: bold;
}

.meaning a svg {
  color: #1f1f1f;
  margin-right: 5px
}

.page-title {
  font-weight: 600;
  font-size: 2rem;
}

.section-title {
  font-weight: 600;
  font-size: 1.6rem !important;
}

.toc {
  background: #f9f9f9;
  border: 1px solid #aaa;
  padding: 1em;
}

.toc-header {
  font-weight: 600;
  font-size: 1.25em;
  margin-bottom: .7em;
}

.toc ul {
  margin-bottom: 0;
  padding-left: 1rem;
}

.toc ul li {
  margin-bottom: .5em;
}

.detail {
  font-size: 16px;
}

.search ul {
  max-height: 0;
  transition: max-height 0.15s ease-out;
  overflow-y: scroll;
  border-radius: 0;
}

.search ul.open {
  max-height: 200px;
  transition: max-height 0.25s ease-in;
  border: 1px solid #ced4da;
}

.search ul li {
  border-bottom: 1px solid #f1f1f1;
}

.search ul li a {
  display: block;
  padding: 10px;
}

.active>.page-link,
.page-link.active {
  background-color: #009688;
  border-color: #009688;
}

.page-link {
  color: #009688;
}

footer p {
  margin-bottom: 0;
}

.open-mobile-menu{
  position: absolute;
  left: 15px;
  font-size: 22px;
  color: #fff;
  top: 12px;
}