helix-plus/book/custom.css

html {
  font-family: "Inter", sans-serif;
}

.sidebar .sidebar-scrollbox {
  padding: 0;
}

.chapter {
  margin: 0.25rem 0;
}

.chapter li.chapter-item {
  line-height: initial;
  margin: 0;
  padding: 1rem 1.5rem;
}

.chapter .section li.chapter-item {
  line-height: inherit;
  padding: .5rem .5rem 0 .5rem;
}

.content {
  overflow-y: auto;
  padding: 0 15px;
  padding-bottom: 50px;
}

/* 2 1.75 1.5 1.25 1 .875 */
.content h1 { font-size: 2em }
.content h2 { font-size: 1.75em }
.content h3 { font-size: 1.5em }
.content h4 { font-size: 1.25em }
.content h5 { font-size: 1em }
.content h6 { font-size: .875em }

.content h1,
.content h2,
.content h3,
.content h4 {
  font-weight: 500;
  margin-top: 1.275em;
  margin-bottom: .875em;
}

.content p,
.content ol,
.content ul,
.content table {
  margin-top: 0;
  margin-bottom: .875em;
}

.content ul li {
  margin-bottom: .25rem;
}

.content ul {
  list-style-type: square;
}

.content ul ul,
.content ol ul {
  margin-bottom: .5rem;
}

.content li p {
  margin-bottom: .5em;
}

blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.5rem;
  color: var(--fg);
  opacity: .9;
  background-color: var(--quote-bg);
  border-left: 4px solid var(--quote-border);
  border-top: none;
  border-bottom: none;
}

blockquote *:last-child {
  margin-bottom: 0;
}

table {
  width: 100%;
}

table thead th {
  padding: .75rem;
  text-align: left;
  font-weight: 500;
  line-height: 1.5;
  width: auto;
}

table td {
  padding: .75rem;
  border: none;
}

table thead tr {
  border: none;
  border-bottom: 2px var(--table-border-color) solid;
}

table tbody tr {
  border-bottom: 1px var(--table-border-line) solid;
}

table tbody tr:nth-child(2n) {
  background: unset;
}

pre code.hljs {
  display: block;
  overflow-x: auto;
  padding: 1em;
}

code.hljs {
  padding: 3px 5px;
}

.colibri {
  --bg: #3b224c;
  --fg: #bcbdd0;
  --heading-fg: #fff;

  --sidebar-bg: #281733;
  --sidebar-fg: #c8c9db;
  --sidebar-non-existent: #505274;
  --sidebar-active: #a4a0e8;
  --sidebar-spacer: #2d334f;

  --scrollbar: var(--sidebar-fg);

  --icons: #737480;
  --icons-hover: #b7b9cc;

  /* --links: #a4a0e8; */
  --links: #ECCDBA;

  --inline-code-color: hsl(48.7, 7.8%, 70%);

  --theme-popup-bg: #161923;
  --theme-popup-border: #737480;
  --theme-hover: rgba(0, 0, 0, .2);

  --quote-bg: #281733;
  --quote-border: hsl(226, 15%, 22%);

  --table-border-color: hsl(226, 23%, 76%);
  --table-header-bg: hsla(226, 23%, 31%, 0);
  --table-alternate-bg: hsl(226, 23%, 14%);
  --table-border-line: hsla(201deg, 20%, 92%, 0.2);

  --searchbar-border-color: #aaa;
  --searchbar-bg: #aeaec6;
  --searchbar-fg: #000;
  --searchbar-shadow-color: #aaa;
  --searchresults-header-fg: #5f5f71;
  --searchresults-border-color: #5c5c68;
  --searchresults-li-bg: #242430;
  --search-mark-bg: #acff5;
}

.colibri .content .header {
  color: #fff;
}

/* highlight.js theme, :where() is used to avoid increasing specificity */

:where(.colibri) .hljs {
  background: #2f1e2e;
  color: #a39e9b;
}

:where(.colibri) .hljs-comment,
:where(.colibri) .hljs-quote {
  color: #8d8687;
}

:where(.colibri) .hljs-link,
:where(.colibri) .hljs-meta,
:where(.colibri) .hljs-name,
:where(.colibri) .hljs-regexp,
:where(.colibri) .hljs-selector-class,
:where(.colibri) .hljs-selector-id,
:where(.colibri) .hljs-tag,
:where(.colibri) .hljs-template-variable,
:where(.colibri) .hljs-variable {
  color: #ef6155;
}

:where(.colibri) .hljs-built_in,
:where(.colibri) .hljs-deletion,
:where(.colibri) .hljs-literal,
:where(.colibri) .hljs-number,
:where(.colibri) .hljs-params,
:where(.colibri) .hljs-type {
  color: #f99b15;
}

:where(.colibri) .hljs-attribute,
:where(.colibri) .hljs-section,
:where(.colibri) .hljs-title {
  color: #fec418;
}

:where(.colibri) .hljs-addition,
:where(.colibri) .hljs-bullet,
:where(.colibri) .hljs-string,
:where(.colibri) .hljs-symbol {
  color: #48b685;
}

:where(.colibri) .hljs-keyword,
:where(.colibri) .hljs-selector-tag {
  color: #815ba4;
}

:where(.colibri) .hljs-emphasis {
  font-style: italic;
}

:where(.colibri) .hljs-strong {
  font-weight: 700;
}