:root {
  --theme-first-color: #363945;
  --theme-second-color: #EFE1CE;
}

body {
  color: var(--theme-first-color);
}

header {
  padding-bottom: 20px;
}

.hide_label {
  visibility: hidden;
}

a {
  color: var(--theme-first-color);
}

.sidebar li {
  margin-top: 0.5rem;
}

li.book-part {
  font-weight: bold;
  text-transform: uppercase;
  position: sticky;
  top: 2rem;
  background: white;
  padding-top: 1rem;
  margin-top: 0 !important;
  z-index: 2;
}
.sidebar .book-part {
  border-bottom: 2px solid var(--theme-second-color) !important;
}
.book-extra {
  border-top: 2px solid var(--theme-second-color);
}

ul.list-unstyled:nth-child(1) > li:nth-child(1) {
  display: none;
}

.d-flex > h1:nth-child(1) {
  text-align: center;
  width: 100%;
}
.d-flex > h1:nth-child(1) > a {
  padding: 0 10px;
}
form[role="search"] {
  position: sticky;
  top: 0;
  z-index: 100;
}
form[role="search"] > span {
  width: 100%;
}
#search {
  border: 3px solid var(--theme-second-color);
  box-shadow: unset;
}
span#algolia-autocomplete-listbox-0 {
  border: 3px solid var(--theme-second-color);
}


.chapter-nav {
  padding-top: 2rem;
  padding-bottom: 2rem;
  margin-top: 0;
}
.chapter-nav .prev,
.chapter-nav .next {
  border-radius: 0;
  box-shadow: none;
  padding: 0;
  border: none;
  background: transparent;
}
.chapter-nav .prev > a,
.chapter-nav .next > a {
  padding: 10px;
  background: var(--theme-second-color);
  color: var(--theme-first-color);
  border-radius: 10px;
}
.chapter-nav .prev > a:hover,
.chapter-nav .next > a:hover {
  background: var(--theme-first-color);
  color: var(--theme-second-color);
  text-decoration: none;
}

#content > div:nth-child(4) {
  display: none;
}

a:hover {
  background: var(--theme-second-color);
  text-decoration: none;
  border-radius: 3px;
}


footer {
  display: none;
}


.caption {
  color: #777;
  margin-top: 10px;
}
p code {
  white-space: inherit;
}
pre {
  word-break: normal;
  word-wrap: normal;
}
pre code {
  white-space: inherit;
}


h1, h2, h3, h4, h5 {
  font-weight: bold;
}

main#content > div:nth-child(1) {
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--theme-second-color) !important;
}
main#content > div > h1 {
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--theme-second-color) !important;
}

main h2 {
  position: sticky;
  top: 0;
  background: white;
  padding-top: 2rem;
  padding-bottom: 1rem;
  margin-top: 0;
  margin-bottom: 0;
  z-index: 2;
}
main h3 {
  position: sticky;
  top: 4.9rem;
  background: white;
  z-index: 1;
  padding-bottom: 10px;
}

main ol, main ul {
  margin-bottom: 1rem;
}
main li {
  margin-bottom: 0;
}

ul.book-toc > li > a {
  padding-left: 10px;
  display: block;
}
ul.book-toc > li > a.active,
ul.book-toc > li > a:hover {
  padding-right: 10px;
  background: var(--theme-second-color);
  text-decoration: none;
  border-radius: 5px;
}

.navbar-nav {
  padding-left: 10px;
}
nav[data-toggle="toc"] .nav > li > a:hover {
  text-decoration: none;
}
.navbar-nav > a:hover {
  background: var(--theme-second-color);
  text-decoration: none !important;
  border-radius: 5px;
}
.nav-link.active {
  background: var(--theme-second-color) !important;
  border-radius: 5px;
}
#book-edit,
#buymeacoffee {
  padding-left: 10px;
}
#book-edit:hover,
#buymeacoffee:hover {
  padding-right: 10px;
  background: var(--theme-second-color);
  text-decoration: none;
  border-radius: 5px;
}

main li > a,
main p > a {
	font-weight: 600;
}

.sidebar .book-part {
  border-bottom: 1px solid #ccc;
}




@media (min-width: 1200px) {
  body {
    font-size: 1rem;
  }
}

@media (min-width: 992px) {
  .sidebar-book {
    position: sticky;
    max-height: 100vh;
    top: 0;
    overflow-y: auto;
  }
}

@media (max-width: 991.98px) {
  .collapse-lg {
    display: none;
    background: white;
    border: none;
    padding: 1rem;
    border-radius: 10px;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
    box-shadow: 0px 0px 10px 2px #7F7F7F;
  }
  .book-toc > li:nth-child(3),
  .book-toc > li:nth-child(15),
  .book-toc > li:nth-child(25) {
    top: unset;
  }
}