diff --git a/config/nimdoc.cfg b/config/nimdoc.cfg
index 8cee21aaf9..e3282ee7f9 100644
--- a/config/nimdoc.cfg
+++ b/config/nimdoc.cfg
@@ -84,6 +84,13 @@ $content
 doc.body_toc = """
 <div class="row">
   <div class="three columns">
+  <div class="theme-switch-wrapper">
+    <label class="theme-switch" for="checkbox">
+      <input type="checkbox" id="checkbox" />
+      <div class="slider round"></div>
+    </label>
+   &nbsp;&nbsp;&nbsp; <em>Dark Mode</em>
+  </div>
   <div id="global-links">
     <ul class="simple-boot">
       <li>
@@ -120,6 +127,13 @@ doc.body_toc = """
 doc.body_toc_group = """
 <div class="row">
   <div class="three columns">
+  <div class="theme-switch-wrapper">
+    <label class="theme-switch" for="checkbox">
+      <input type="checkbox" id="checkbox" />
+      <div class="slider round"></div>
+    </label>
+    &nbsp;&nbsp;&nbsp; <em>Dark Mode</em>
+  </div>
   <div id="global-links">
     <ul class="simple-boot">
       <li>
@@ -160,6 +174,13 @@ doc.body_toc_group = """
 doc.body_toc_group = """
 <div class="row">
   <div class="three columns">
+  <div class="theme-switch-wrapper">
+    <label class="theme-switch" for="checkbox">
+      <input type="checkbox" id="checkbox" />
+      <div class="slider round"></div>
+    </label>
+    &nbsp;&nbsp;&nbsp; <em>Dark Mode</em>
+  </div>
   <div id="global-links">
     <ul class="simple">
     </ul>
@@ -216,772 +237,7 @@ doc.file = """<?xml version="1.0" encoding="utf-8" ?>
 
 <!-- CSS -->
 <title>$title</title>
-<style type="text/css" >
-/*
-Stylesheet for use with Docutils/rst2html.
-
-See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
-customize this style sheet.
-
-Modified from Chad Skeeters' rst2html-style
-https://bitbucket.org/cskeeters/rst2html-style/
-
-Modified by Boyd Greenfield and narimiran
-*/
-
-html {
-  font-size: 100%;
-  -webkit-text-size-adjust: 100%;
-  -ms-text-size-adjust: 100%; }
-
-body {
-  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
-  font-weight: 400;
-  font-size: 1.125em;
-  line-height: 1.5;
-  color: #222;
-  background-color: #FCFCFC; }
-
-/* Skeleton grid */
-.container {
-  position: relative;
-  width: 100%;
-  max-width: 1050px;
-  margin: 0 auto;
-  padding: 0;
-  box-sizing: border-box; }
-
-.column,
-.columns {
-  width: 100%;
-  float: left;
-  box-sizing: border-box;
-  margin-left: 1%;
-}
-
-.column:first-child,
-.columns:first-child {
-  margin-left: 0; }
-
-.three.columns {
-  width: 19%; }
-
-.nine.columns {
-  width: 80.0%; }
-
-.twelve.columns {
-  width: 100%;
-  margin-left: 0; }
-
-@media screen and (max-width: 860px) {
-  .three.columns {
-    display: none;
-  }
-  .nine.columns {
-    width: 98.0%;
-  }
-  body {
-    font-size: 1em;
-    line-height: 1.35;
-  }
-}
-
-cite {
-  font-style: italic !important; }
-
-
-/* Nim search input */
-div#searchInputDiv {
-  margin-bottom: 1em;
-}
-input#searchInput {
-  width: 80%;
-}
-
-/*
- * Some custom formatting for input forms.
- * This also fixes input form colors on Firefox with a dark system theme on Linux.
- */
-input {
-  -moz-appearance: none;
-  color: #333;
-  background-color: #f8f8f8;
-  border: 1px solid #aaa;
-  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
-  font-size: 0.9em;
-  padding: 6px;
-}
-input:focus {
-  border: 1px solid #1fa0eb;
-  box-shadow: 0 0 2px #1fa0eb;
-}
-
-/* Docgen styles */
-/* Links */
-a {
-  color: #07b;
-  text-decoration: none;
-}
-
-a span.Identifier {
-  text-decoration: underline;
-  text-decoration-color: #aab;
-}
-
-a.reference-toplevel {
-  font-weight: bold;
-}
-
-a.toc-backref {
-  text-decoration: none;
-  color: #222; }
-
-a.link-seesrc {
-  color: #607c9f;
-  font-size: 0.9em;
-  font-style: italic; }
-
-a:hover,
-a:focus {
-  color: #607c9f;
-  text-decoration: underline; }
-
-a:hover span.Identifier {
-  color: #607c9f;
-}
-
-
-sub,
-sup {
-  position: relative;
-  font-size: 75%;
-  line-height: 0;
-  vertical-align: baseline; }
-
-sup {
-  top: -0.5em; }
-
-sub {
-  bottom: -0.25em; }
-
-img {
-  width: auto;
-  height: auto;
-  max-width: 100%;
-  vertical-align: middle;
-  border: 0;
-  -ms-interpolation-mode: bicubic; }
-
-@media print {
-  * {
-    color: black !important;
-    text-shadow: none !important;
-    background: transparent !important;
-    box-shadow: none !important; }
-
-  a,
-  a:visited {
-    text-decoration: underline; }
-
-  a[href]:after {
-    content: " (" attr(href) ")"; }
-
-  abbr[title]:after {
-    content: " (" attr(title) ")"; }
-
-  .ir a:after,
-  a[href^="javascript:"]:after,
-  a[href^="#"]:after {
-    content: ""; }
-
-  pre,
-  blockquote {
-    border: 1px solid #999;
-    page-break-inside: avoid; }
-
-  thead {
-    display: table-header-group; }
-
-  tr,
-  img {
-    page-break-inside: avoid; }
-
-  img {
-    max-width: 100% !important; }
-
-  @page {
-    margin: 0.5cm; }
-
-  h1 {
-    page-break-before: always; }
-
-  h1.title {
-    page-break-before: avoid; }
-
-  p,
-  h2,
-  h3 {
-    orphans: 3;
-    widows: 3; }
-
-  h2,
-  h3 {
-    page-break-after: avoid; }
-}
-
-
-p {
-  margin-top: 0.5em;
-  margin-bottom: 0.5em;
-}
-
-small {
-  font-size: 85%; }
-
-strong {
-  font-weight: 600;
-  font-size: 0.95em;
-  color: #3c3c3c;
-}
-
-em {
-  font-style: italic; }
-
-h1 {
-  font-size: 1.8em;
-  font-weight: 400;
-  padding-bottom: .25em;
-  border-bottom: 1px solid #aaa;
-  margin-top: 2.5em;
-  margin-bottom: 1em;
-  line-height: 1.2em; }
-
-h1.title {
-  padding-bottom: 1em;
-  border-bottom: 0px;
-  font-size: 2.5em;
-  text-align: center;
-  font-weight: 900;
-  margin-top: 0.75em;
-  margin-bottom: 0em;
-}
-
-h2 {
-  font-size: 1.3em;
-  margin-top: 2em; }
-
-h2.subtitle {
-  text-align: center; }
-
-h3 {
-  font-size: 1.125em;
-  font-style: italic;
-  margin-top: 1.5em; }
-
-h4 {
-  font-size: 1.125em;
-  margin-top: 1em; }
-
-h5 {
-  font-size: 1.125em;
-  margin-top: 0.75em; }
-
-h6 {
-  font-size: 1.1em; }
-
-
-ul,
-ol {
-  padding: 0;
-  margin-top: 0.5em;
-  margin-left: 0.75em; }
-
-ul ul,
-ul ol,
-ol ol,
-ol ul {
-  margin-bottom: 0;
-  margin-left: 1.25em; }
-
-li {
-    list-style-type: circle;
-}
-
-ul.simple-boot li {
-    list-style-type: none;
-    margin-left: 0em;
-    margin-bottom: 0.5em;
-}
-
-ol.simple > li, ul.simple > li {
-  margin-bottom: 0.25em;
-  margin-left: 0.4em }
-
-ul.simple.simple-toc > li {
-    margin-top: 1em;
-}
-
-ul.simple-toc {
-  list-style: none;
-  font-size: 0.9em;
-  margin-left: -0.3em;
-  margin-top: 1em; }
-
-ul.simple-toc > li {
-    list-style-type: none;
-}
-
-ul.simple-toc-section {
-  list-style-type: circle;
-  margin-left: 1em;
-  color: #6c9aae; }
-
-
-ol.arabic {
-  list-style: decimal; }
-
-ol.loweralpha {
-  list-style: lower-alpha; }
-
-ol.upperalpha {
-  list-style: upper-alpha; }
-
-ol.lowerroman {
-  list-style: lower-roman; }
-
-ol.upperroman {
-  list-style: upper-roman; }
-
-ul.auto-toc {
-  list-style-type: none; }
-
-
-dl {
-  margin-bottom: 1.5em; }
-
-dt {
-  margin-bottom: -0.5em;
-  margin-left: 0.0em; }
-
-dd {
-  margin-left: 2.0em;
-  margin-bottom: 3.0em;
-  margin-top: 0.5em; }
-
-
-hr {
-  margin: 2em 0;
-  border: 0;
-  border-top: 1px solid #aaa; }
-
-blockquote {
-  font-size: 0.9em;
-  font-style: italic;
-  padding-left: 0.5em;
-  margin-left: 0;
-  border-left: 5px solid #bbc;
-}
-
-.pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  font-weight: 500;
-  font-size: 0.85em;
-  background-color: #f0f3ff;
-  padding-left: 3px;
-  padding-right: 3px;
-  border-radius: 4px;
-}
-
-pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  color: #222;
-  font-weight: 500;
-  display: inline-block;
-  box-sizing: border-box;
-  min-width: 100%;
-  padding: 0.5em;
-  margin-top: 0.5em;
-  margin-bottom: 0.5em;
-  font-size: 0.85em;
-  white-space: pre !important;
-  overflow-y: hidden;
-  overflow-x: visible;
-  background-color: ghostwhite;
-  border: 1px solid #dde;
-  -webkit-border-radius: 6px;
-  -moz-border-radius: 6px;
-  border-radius: 6px; }
-
-.pre-scrollable {
-  max-height: 340px;
-  overflow-y: scroll; }
-
-
-/* Nim line-numbered tables */
-.line-nums-table {
-  width: 100%;
-  table-layout: fixed; }
-
-table.line-nums-table {
-  border-radius: 4px;
-  border: 1px solid #cccccc;
-  background-color: ghostwhite;
-  border-collapse: separate;
-  margin-top: 15px;
-  margin-bottom: 25px; }
-
-.line-nums-table tbody {
-  border: none; }
-
-.line-nums-table td pre {
-  border: none;
-  background-color: transparent; }
-
-.line-nums-table td.blob-line-nums {
-  width: 28px; }
-
-.line-nums-table td.blob-line-nums pre {
-  color: #b0b0b0;
-  -webkit-filter: opacity(75%);
-  text-align: right;
-  border-color: transparent;
-  background-color: transparent;
-  padding-left: 0px;
-  margin-left: 0px;
-  padding-right: 0px;
-  margin-right: 0px; }
-
-
-table {
-  max-width: 100%;
-  background-color: transparent;
-  margin-top: 0.5em;
-  margin-bottom: 1.5em;
-  border-collapse: collapse;
-  border-color: #ccc;
-  border-spacing: 0;
-  font-size: 0.9em;
-}
-
-table th, table td {
-  padding: 0px 0.5em 0px;
-}
-
-table th {
-  background-color: #e8e8e8;
-  font-weight: bold; }
-
-table th.docinfo-name {
-    background-color: transparent;
-}
-
-table tr:hover {
-  background-color: ghostwhite; }
-
-
-/* rst2html default used to remove borders from tables and images */
-.borderless, table.borderless td, table.borderless th {
-  border: 0; }
-
-table.borderless td, table.borderless th {
-  /* Override padding for "table.docutils td" with "! important".
-     The right padding separates the table cells. */
-  padding: 0 0.5em 0 0 !important; }
-
-.first {
-  /* Override more specific margin styles with "! important". */
-  margin-top: 0 !important; }
-
-.last, .with-subtitle {
-  margin-bottom: 0 !important; }
-
-.hidden {
-  display: none; }
-
-blockquote.epigraph {
-  margin: 2em 5em; }
-
-dl.docutils dd {
-  margin-bottom: 0.5em; }
-
-object[type="image/svg+xml"], object[type="application/x-shockwave-flash"] {
-  overflow: hidden; }
-
-
-div.figure {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-div.footer, div.header {
-  clear: both;
-  text-align: center;
-  color: #666;
-  font-size: smaller; }
-
-div.footer {
-    padding-top: 5em;
-}
-
-div.line-block {
-  display: block;
-  margin-top: 1em;
-  margin-bottom: 1em; }
-
-div.line-block div.line-block {
-  margin-top: 0;
-  margin-bottom: 0;
-  margin-left: 1.5em; }
-
-div.topic {
-  margin: 2em; }
-
-div.search_results {
-  background-color: antiquewhite;
-  margin: 3em;
-  padding: 1em;
-  border: 1px solid #4d4d4d;
-}
-
-div#global-links ul {
-  margin-left: 0;
-  list-style-type: none;
-}
-
-div#global-links > simple-boot {
-    margin-left: 3em;
-}
-
-hr.docutils {
-  width: 75%; }
-
-img.align-left, .figure.align-left, object.align-left {
-  clear: left;
-  float: left;
-  margin-right: 1em; }
-
-img.align-right, .figure.align-right, object.align-right {
-  clear: right;
-  float: right;
-  margin-left: 1em; }
-
-img.align-center, .figure.align-center, object.align-center {
-  display: block;
-  margin-left: auto;
-  margin-right: auto; }
-
-.align-left {
-  text-align: left; }
-
-.align-center {
-  clear: both;
-  text-align: center; }
-
-.align-right {
-  text-align: right; }
-
-/* reset inner alignment in figures */
-div.align-right {
-  text-align: inherit; }
-
-p.attribution {
-  text-align: right;
-  margin-left: 50%; }
-
-p.caption {
-  font-style: italic; }
-
-p.credits {
-  font-style: italic;
-  font-size: smaller; }
-
-p.label {
-  white-space: nowrap; }
-
-p.rubric {
-  font-weight: bold;
-  font-size: larger;
-  color: maroon;
-  text-align: center; }
-
-p.topic-title {
-  font-weight: bold; }
-
-pre.address {
-  margin-bottom: 0;
-  margin-top: 0;
-  font: inherit; }
-
-pre.literal-block, pre.doctest-block, pre.math, pre.code {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-pre.code .ln {
-  color: grey; }
-
-/* line numbers */
-pre.code, code {
-  background-color: #eeeeee; }
-
-pre.code .comment, code .comment {
-  color: #5c6576; }
-
-pre.code .keyword, code .keyword {
-  color: #3B0D06;
-  font-weight: bold; }
-
-pre.code .literal.string, code .literal.string {
-  color: #0c5404; }
-
-pre.code .name.builtin, code .name.builtin {
-  color: #352b84; }
-
-pre.code .deleted, code .deleted {
-  background-color: #DEB0A1; }
-
-pre.code .inserted, code .inserted {
-  background-color: #A3D289; }
-
-span.classifier {
-  font-style: oblique; }
-
-span.classifier-delimiter {
-  font-weight: bold; }
-
-span.option {
-  white-space: nowrap; }
-
-span.problematic {
-  color: #b30000; }
-
-span.section-subtitle {
-  /* font-size relative to parent (h1..h6 element) */
-  font-size: 80%; }
-
-span.DecNumber {
-  color: #252dbe; }
-
-span.BinNumber {
-  color: #252dbe; }
-
-span.HexNumber {
-  color: #252dbe; }
-
-span.OctNumber {
-  color: #252dbe; }
-
-span.FloatNumber {
-  color: #252dbe; }
-
-span.Identifier {
-  color: #222; }
-
-span.Keyword {
-  font-weight: 600;
-  color: #5e8f60; }
-
-span.StringLit {
-  color: #a4255b; }
-
-span.LongStringLit {
-  color: #a4255b; }
-
-span.CharLit {
-  color: #a4255b; }
-
-span.EscapeSequence {
-  color: black; }
-
-span.Operator {
-  color: black; }
-
-span.Punctuation {
-  color: black; }
-
-span.Comment, span.LongComment {
-  font-style: italic;
-  font-weight: 400;
-  color: #484a86; }
-
-span.RegularExpression {
-  color: darkviolet; }
-
-span.TagStart {
-  color: darkviolet; }
-
-span.TagEnd {
-  color: darkviolet; }
-
-span.Key {
-  color: #252dbe; }
-
-span.Value {
-  color: #252dbe; }
-
-span.RawData {
-  color: #a4255b; }
-
-span.Assembler {
-  color: #252dbe; }
-
-span.Preprocessor {
-  color: #252dbe; }
-
-span.Directive {
-  color: #252dbe; }
-
-span.Command, span.Rule, span.Hyperlink, span.Label, span.Reference,
-span.Other {
-  color: black; }
-
-/* Pop type, const, proc, and iterator defs in nim def blocks */
-dt pre > span.Identifier, dt pre > span.Operator {
-  color: #155da4;
-  font-weight: 700; }
-
-dt pre > span.Keyword ~ span.Identifier, dt pre > span.Identifier ~ span.Identifier,
-dt pre > span.Operator ~ span.Identifier, dt pre > span.Other ~ span.Identifier {
-  color: inherit;
-  font-weight: inherit; }
-
-/* Nim sprite for the footer (taken from main page favicon) */
-.nim-sprite {
-  display: inline-block;
-  height: 16px;
-  width: 16px;
-  background-position: 0 0;
-  background-size: 16px 16px;
-  -webkit-filter: opacity(50%);
-  background-repeat: no-repeat;
-  background-image: url("data:image/x-icon;base64,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");
-  margin-bottom: -5px; }
-
-span.pragmadots {
-  /* Position: relative frees us up to make the dots
-  look really nice without fucking up the layout and
-  causing bulging in the parent container */
-  position: relative;
-  /* 1px down looks slightly nicer */
-  top: 1px;
-  padding: 2px;
-  background-color: #e8e8e8;
-  border-radius: 4px;
-  margin: 0 2px;
-  cursor: pointer;
-  font-size: 0.8em;
-}
-
-span.pragmadots:hover {
-  background-color: #DBDBDB;
-}
-span.pragmawrap {
-  display: none;
-}
-
-span.attachedType {
-  display: none;
-  visibility: hidden;
-}
-</style>
+<link rel="stylesheet" type="text/css" href="nimdoc.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
@@ -996,6 +252,37 @@ function main() {
       event.target.parentNode.nextElementSibling.style.display = "inline";
     }
   }
+
+  const toggleSwitch = document.querySelector('.theme-switch input[type="checkbox"]');
+  function switchTheme(e) {
+      if (e.target.checked) {
+          document.documentElement.setAttribute('data-theme', 'dark');
+          localStorage.setItem('theme', 'dark');
+      } else {
+          document.documentElement.setAttribute('data-theme', 'light');
+          localStorage.setItem('theme', 'light');
+      }
+  }
+
+  toggleSwitch.addEventListener('change', switchTheme, false);
+
+
+  if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
+    document.documentElement.setAttribute('data-theme', "dark");
+    toggleSwitch.checked = true;
+  } else if (window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches) {
+    document.documentElement.setAttribute('data-theme', "light");
+    toggleSwitch.checked = false;
+  } else {
+    const currentTheme = localStorage.getItem('theme') ? localStorage.getItem('theme') : null;
+    if (currentTheme) {
+      document.documentElement.setAttribute('data-theme', currentTheme);
+
+      if (currentTheme === 'dark') {
+        toggleSwitch.checked = true;
+      }
+    }
+  }
 }
 </script>
 
@@ -1009,7 +296,7 @@ function main() {
       <div class="twelve-columns footer">
         <span class="nim-sprite"></span>
         <br/>
-        <small>Made with Nim. Generated: $date $time UTC</small>
+        <small style="color: var(--hint);">Made with Nim. Generated: $date $time UTC</small>
       </div>
     </div>
   </div>
diff --git a/doc/nimdoc.css b/doc/nimdoc.css
index a8be5756b4..4ee73eaf98 100644
--- a/doc/nimdoc.css
+++ b/doc/nimdoc.css
@@ -1,305 +1,891 @@
 /*
-NOTE - THIS IS PROBABLY NOT THE CSS FILE YOU WANT
-The CSS text used by Nim's documentation tools (such as 'koch web',
-'rst2html', etc) is contained in 'config\nimdoc.cfg'
-*/
-/*
-:Author: David Goodger
-:Contact: goodger@python.org
-:Date: $Date: 2006-05-21 22:44:42 +0200 (Sun, 21 May 2006) $
-:Revision: $Revision: 4564 $
-:Copyright: This stylesheet has been placed in the public domain.
-
-Default cascading style sheet for the HTML output of Docutils.
+Stylesheet for use with Docutils/rst2html.
 
 See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
 customize this style sheet.
+
+Modified from Chad Skeeters' rst2html-style
+https://bitbucket.org/cskeeters/rst2html-style/
+
+Modified by Boyd Greenfield and narimiran
 */
 
-/*
-   Modified for the Nim Documenation by
-   Andreas Rumpf
-*/
+:root {
+  --primary-background: #fff;
+  --secondary-background: ghostwhite;
+  --third-background: #e8e8e8;
+  --border: #dde;
+  --text: #222;
+  --anchor: #07b;
+  --anchor-focus: #607c9f;
+  --input-focus: #1fa0eb;
+  --strong: #3c3c3c;
+  --hint: #9A9A9A;
+  --nim-sprite-base64: url("data:image/png;base64,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");
 
-body {
-  color: black;
-  background: white;
+  --keyword: #5e8f60;
+  --identifier: #222;
+  --comment: #484a86;
+  --operator: #155da4;
+  --punctuation: black;
+  --other: black;
+  --escapeSequence: #c4891b;
+  --number: #252dbe;
+  --literal: #a4255b;
+  --raw-data: #a4255b;
 }
 
-/* used to remove borders from tables and images */
+[data-theme="dark"] {
+  --primary-background: #171921;
+  --secondary-background: #1e202a;
+  --third-background: #2b2e3b;
+  --border: #0e1014;
+  --text: #fff;
+  --anchor: #8be9fd;
+  --anchor-focus: #8be9fd;
+  --input-focus: #8be9fd;
+  --strong: #bd93f9;
+  --hint: #7A7C85;
+  --nim-sprite-base64: 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");
+
+  --keyword: #ff79c6;
+  --identifier: #f8f8f2;
+  --comment: #6272a4;
+  --operator: #ff79c6;
+  --punctuation: #f8f8f2;
+  --other: #f8f8f2;
+  --escapeSequence: #bd93f9;
+  --number: #bd93f9;
+  --literal: #f1fa8c;
+  --raw-data: #8be9fd;
+}
+
+.theme-switch-wrapper {
+  display: flex;
+  align-items: center;
+
+  em {
+    margin-left: 10px;
+    font-size: 1rem;
+  }
+}
+.theme-switch {
+  display: inline-block;
+  height: 22px;
+  position: relative;
+  width: 50px;
+}
+
+.theme-switch input {
+  display: none;
+}
+
+.slider {
+  background-color: #ccc;
+  bottom: 0;
+  cursor: pointer;
+  left: 0;
+  position: absolute;
+  right: 0;
+  top: 0;
+  transition: .4s;
+}
+
+.slider:before {
+  background-color: #fff;
+  bottom: 4px;
+  content: "";
+  height: 13px;
+  left: 4px;
+  position: absolute;
+  transition: .4s;
+  width: 13px;
+}
+
+input:checked + .slider {
+  background-color: #66bb6a;
+}
+
+input:checked + .slider:before {
+  transform: translateX(26px);
+}
+
+.slider.round {
+  border-radius: 17px;
+}
+
+.slider.round:before {
+  border-radius: 50%;
+}
+
+html {
+  font-size: 100%;
+  -webkit-text-size-adjust: 100%;
+  -ms-text-size-adjust: 100%; }
+
+body {
+  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
+  font-weight: 400;
+  font-size: 1.125em;
+  line-height: 1.5;
+  color: var(--text);
+  background-color: var(--primary-background); }
+
+/* Skeleton grid */
+.container {
+  position: relative;
+  width: 100%;
+  max-width: 1050px;
+  margin: 0 auto;
+  padding: 0;
+  box-sizing: border-box; }
+
+.column,
+.columns {
+  width: 100%;
+  float: left;
+  box-sizing: border-box;
+  margin-left: 1%;
+}
+
+.column:first-child,
+.columns:first-child {
+  margin-left: 0; }
+
+.three.columns {
+  width: 19%; }
+
+.nine.columns {
+  width: 80.0%; }
+
+.twelve.columns {
+  width: 100%;
+  margin-left: 0; }
+
+@media screen and (max-width: 860px) {
+  .three.columns {
+    display: none;
+  }
+  .nine.columns {
+    width: 98.0%;
+  }
+  body {
+    font-size: 1em;
+    line-height: 1.35;
+  }
+}
+
+cite {
+  font-style: italic !important; }
+
+
+/* Nim search input */
+div#searchInputDiv {
+  margin-bottom: 1em;
+}
+input#searchInput {
+  width: 80%;
+}
+
+/*
+ * Some custom formatting for input forms.
+ * This also fixes input form colors on Firefox with a dark system theme on Linux.
+ */
+input {
+  -moz-appearance: none;
+  background-color: var(--secondary-background);
+  color: var(--text);
+  border: 1px solid var(--border);
+  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
+  font-size: 0.9em;
+  padding: 6px;
+}
+
+input:focus {
+  border: 1px solid var(--input-focus);
+  box-shadow: 0 0 3px var(--input-focus);
+}
+
+select {
+  -moz-appearance: none;
+  background-color: var(--secondary-background);
+  color: var(--text);
+  border: 1px solid var(--border);
+  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
+  font-size: 0.9em;
+  padding: 6px;
+}
+
+select:focus {
+  border: 1px solid var(--input-focus);
+  box-shadow: 0 0 3px var(--input-focus);
+}
+
+/* Docgen styles */
+/* Links */
+a {
+  color: var(--anchor);
+  text-decoration: none;
+}
+
+a span.Identifier {
+  text-decoration: underline;
+  text-decoration-color: #aab;
+}
+
+a.reference-toplevel {
+  font-weight: bold;
+}
+
+a.toc-backref {
+  text-decoration: none;
+  color: var(--text); }
+
+a.link-seesrc {
+  color: #607c9f;
+  font-size: 0.9em;
+  font-style: italic; }
+
+a:hover,
+a:focus {
+  color: var(--anchor-focus);
+  text-decoration: underline; }
+
+a:hover span.Identifier {
+  color: var(--anchor);
+}
+
+
+sub,
+sup {
+  position: relative;
+  font-size: 75%;
+  line-height: 0;
+  vertical-align: baseline; }
+
+sup {
+  top: -0.5em; }
+
+sub {
+  bottom: -0.25em; }
+
+img {
+  width: auto;
+  height: auto;
+  max-width: 100%;
+  vertical-align: middle;
+  border: 0;
+  -ms-interpolation-mode: bicubic; }
+
+@media print {
+  * {
+    color: black !important;
+    text-shadow: none !important;
+    background: transparent !important;
+    box-shadow: none !important; }
+
+  a,
+  a:visited {
+    text-decoration: underline; }
+
+  a[href]:after {
+    content: " (" attr(href) ")"; }
+
+  abbr[title]:after {
+    content: " (" attr(title) ")"; }
+
+  .ir a:after,
+  a[href^="javascript:"]:after,
+  a[href^="#"]:after {
+    content: ""; }
+
+  pre,
+  blockquote {
+    border: 1px solid #999;
+    page-break-inside: avoid; }
+
+  thead {
+    display: table-header-group; }
+
+  tr,
+  img {
+    page-break-inside: avoid; }
+
+  img {
+    max-width: 100% !important; }
+
+  @page {
+    margin: 0.5cm; }
+
+  h1 {
+    page-break-before: always; }
+
+  h1.title {
+    page-break-before: avoid; }
+
+  p,
+  h2,
+  h3 {
+    orphans: 3;
+    widows: 3; }
+
+  h2,
+  h3 {
+    page-break-after: avoid; }
+}
+
+
+p {
+  margin-top: 0.5em;
+  margin-bottom: 0.5em;
+}
+
+small {
+  font-size: 85%; }
+
+strong {
+  font-weight: 600;
+  font-size: 0.95em;
+  color: var(--strong);
+}
+
+em {
+  font-style: italic; }
+
+h1 {
+  font-size: 1.8em;
+  font-weight: 400;
+  padding-bottom: .25em;
+  border-bottom: 6px solid var(--third-background);
+  margin-top: 2.5em;
+  margin-bottom: 1em;
+  line-height: 1.2em; }
+
+h1.title {
+  padding-bottom: 1em;
+  border-bottom: 0px;
+  font-size: 2.5em;
+  text-align: center;
+  font-weight: 900;
+  margin-top: 0.75em;
+  margin-bottom: 0em;
+}
+
+h2 {
+  font-size: 1.3em;
+  margin-top: 2em; }
+
+h2.subtitle {
+  text-align: center; }
+
+h3 {
+  font-size: 1.125em;
+  font-style: italic;
+  margin-top: 1.5em; }
+
+h4 {
+  font-size: 1.125em;
+  margin-top: 1em; }
+
+h5 {
+  font-size: 1.125em;
+  margin-top: 0.75em; }
+
+h6 {
+  font-size: 1.1em; }
+
+
+ul,
+ol {
+  padding: 0;
+  margin-top: 0.5em;
+  margin-left: 0.75em; }
+
+ul ul,
+ul ol,
+ol ol,
+ol ul {
+  margin-bottom: 0;
+  margin-left: 1.25em; }
+
+li {
+    list-style-type: circle;
+}
+
+ul.simple-boot li {
+    list-style-type: none;
+    margin-left: 0em;
+    margin-bottom: 0.5em;
+}
+
+ol.simple > li, ul.simple > li {
+  margin-bottom: 0.25em;
+  margin-left: 0.4em }
+
+ul.simple.simple-toc > li {
+    margin-top: 1em;
+}
+
+ul.simple-toc {
+  list-style: none;
+  font-size: 0.9em;
+  margin-left: -0.3em;
+  margin-top: 1em; }
+
+ul.simple-toc > li {
+    list-style-type: none;
+}
+
+ul.simple-toc-section {
+  list-style-type: circle;
+  margin-left: 1em;
+  color: #6c9aae; }
+
+
+ol.arabic {
+  list-style: decimal; }
+
+ol.loweralpha {
+  list-style: lower-alpha; }
+
+ol.upperalpha {
+  list-style: upper-alpha; }
+
+ol.lowerroman {
+  list-style: lower-roman; }
+
+ol.upperroman {
+  list-style: upper-roman; }
+
+ul.auto-toc {
+  list-style-type: none; }
+
+
+dl {
+  margin-bottom: 1.5em; }
+
+dt {
+  margin-bottom: -0.5em;
+  margin-left: 0.0em; }
+
+dd {
+  margin-left: 2.0em;
+  margin-bottom: 3.0em;
+  margin-top: 0.5em; }
+
+
+hr {
+  margin: 2em 0;
+  border: 0;
+  border-top: 1px solid #aaa; }
+
+blockquote {
+  font-size: 0.9em;
+  font-style: italic;
+  padding-left: 0.5em;
+  margin-left: 0;
+  border-left: 5px solid #bbc;
+}
+
+.pre {
+  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
+  font-weight: 500;
+  font-size: 0.85em;
+  color: var(--text);
+  background-color: var(--third-background);
+  padding-left: 3px;
+  padding-right: 3px;
+  border-radius: 4px;
+}
+
+pre {
+  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
+  color: var(--text);
+  font-weight: 500;
+  display: inline-block;
+  box-sizing: border-box;
+  min-width: 100%;
+  padding: 0.5em;
+  margin-top: 0.5em;
+  margin-bottom: 0.5em;
+  font-size: 0.85em;
+  white-space: pre !important;
+  overflow-y: hidden;
+  overflow-x: visible;
+  background-color: var(--secondary-background);
+  border: 1px solid var(--border);
+  -webkit-border-radius: 6px;
+  -moz-border-radius: 6px;
+  border-radius: 6px; }
+
+.pre-scrollable {
+  max-height: 340px;
+  overflow-y: scroll; }
+
+
+/* Nim line-numbered tables */
+.line-nums-table {
+  width: 100%;
+  table-layout: fixed; }
+
+table.line-nums-table {
+  border-radius: 4px;
+  border: 1px solid #cccccc;
+  background-color: ghostwhite;
+  border-collapse: separate;
+  margin-top: 15px;
+  margin-bottom: 25px; }
+
+.line-nums-table tbody {
+  border: none; }
+
+.line-nums-table td pre {
+  border: none;
+  background-color: transparent; }
+
+.line-nums-table td.blob-line-nums {
+  width: 28px; }
+
+.line-nums-table td.blob-line-nums pre {
+  color: #b0b0b0;
+  -webkit-filter: opacity(75%);
+  text-align: right;
+  border-color: transparent;
+  background-color: transparent;
+  padding-left: 0px;
+  margin-left: 0px;
+  padding-right: 0px;
+  margin-right: 0px; }
+
+
+table {
+  max-width: 100%;
+  background-color: transparent;
+  margin-top: 0.5em;
+  margin-bottom: 1.5em;
+  border-collapse: collapse;
+  border-color: var(--third-background);
+  border-spacing: 0;
+  font-size: 0.9em;
+}
+
+table th, table td {
+  padding: 0px 0.5em 0px;
+  border-color: var(--third-background);
+}
+
+table th {
+  background-color: var(--third-background);
+  border-color: var(--third-background);
+  font-weight: bold; }
+
+table th.docinfo-name {
+    background-color: transparent;
+}
+
+table tr:hover {
+  background-color: var(--third-background); }
+
+
+/* rst2html default used to remove borders from tables and images */
 .borderless, table.borderless td, table.borderless th {
-  border: 0 }
+  border: 0; }
 
 table.borderless td, table.borderless th {
   /* Override padding for "table.docutils td" with "! important".
      The right padding separates the table cells. */
-  padding: 0 0.5em 0 0 ! important }
+  padding: 0 0.5em 0 0 !important; }
 
 .first {
   /* Override more specific margin styles with "! important". */
-  margin-top: 0 ! important }
+  margin-top: 0 !important; }
 
 .last, .with-subtitle {
-  margin-bottom: 0 ! important }
+  margin-bottom: 0 !important; }
 
 .hidden {
-  display: none }
-
-a.toc-backref {
-  text-decoration: none ;
-  color: black }
+  display: none; }
 
 blockquote.epigraph {
-  margin: 2em 5em ; }
+  margin: 2em 5em; }
 
 dl.docutils dd {
-  margin-bottom: 0.5em }
+  margin-bottom: 0.5em; }
 
-/* Uncomment (and remove this text!) to get bold-faced definition list terms
-dl.docutils dt {
-  font-weight: bold }
-*/
+object[type="image/svg+xml"], object[type="application/x-shockwave-flash"] {
+  overflow: hidden; }
 
-div.abstract {
-  margin: 2em 5em }
-
-div.abstract p.topic-title {
-  font-weight: bold ;
-  text-align: center }
-
-div.admonition, div.attention, div.caution, div.danger, div.error,
-div.hint, div.important, div.note, div.tip, div.warning {
-  margin: 2em ;
-  border: medium outset ;
-  padding: 1em }
-
-div.admonition p.admonition-title, div.hint p.admonition-title,
-div.important p.admonition-title, div.note p.admonition-title,
-div.tip p.admonition-title {
-  font-weight: bold ;
-  font-family: sans-serif }
-
-div.attention p.admonition-title, div.caution p.admonition-title,
-div.danger p.admonition-title, div.error p.admonition-title,
-div.warning p.admonition-title {
-  color: red ;
-  font-weight: bold ;
-  font-family: sans-serif }
-
-/* Uncomment (and remove this text!) to get reduced vertical space in
-   compound paragraphs.
-div.compound .compound-first, div.compound .compound-middle {
-  margin-bottom: 0.5em }
-
-div.compound .compound-last, div.compound .compound-middle {
-  margin-top: 0.5em }
-*/
-
-div.dedication {
-  margin: 2em 5em ;
-  text-align: center ;
-  font-style: italic }
-
-div.dedication p.topic-title {
-  font-weight: bold ;
-  font-style: normal }
 
 div.figure {
-  margin-left: 2em ;
-  margin-right: 2em }
+  margin-left: 2em;
+  margin-right: 2em; }
 
 div.footer, div.header {
   clear: both;
-  font-size: smaller }
+  text-align: center;
+  color: #666;
+  font-size: smaller; }
+
+div.footer {
+    padding-top: 5em;
+}
 
 div.line-block {
-  display: block ;
-  margin-top: 1em ;
-  margin-bottom: 1em }
+  display: block;
+  margin-top: 1em;
+  margin-bottom: 1em; }
 
 div.line-block div.line-block {
-  margin-top: 0 ;
-  margin-bottom: 0 ;
-  margin-left: 1.5em }
-
-div.sidebar {
-  margin-left: 1em ;
-  border: medium outset ;
-  padding: 1em ;
-  background-color: #ffffee ;
-  width: 40% ;
-  float: right ;
-  clear: right }
-
-div.sidebar p.rubric {
-  font-family: sans-serif ;
-  font-size: medium }
-
-div.system-messages {
-  margin: 5em }
-
-div.system-messages h1 {
-  color: red }
-
-div.system-message {
-  border: medium outset ;
-  padding: 1em }
-
-div.system-message p.system-message-title {
-  color: red ;
-  font-weight: bold }
+  margin-top: 0;
+  margin-bottom: 0;
+  margin-left: 1.5em; }
 
 div.topic {
-  margin: 2em;
+  margin: 2em; }
+
+div.search_results {
+  background-color: antiquewhite;
+  margin: 3em;
+  padding: 1em;
+  border: 1px solid #4d4d4d;
 }
 
-h1.section-subtitle, h2.section-subtitle, h3.section-subtitle,
-h4.section-subtitle, h5.section-subtitle, h6.section-subtitle {
-  margin-top: 0.4em }
+div#global-links ul {
+  margin-left: 0;
+  list-style-type: none;
+}
 
-h1.title { text-align: center }
-h2.subtitle { text-align: center }
-hr.docutils { width: 75% }
-img.align-left { clear: left }
-img.align-right { clear: right }
+div#global-links > simple-boot {
+    margin-left: 3em;
+}
 
-ol.simple, ul.simple {
-  margin-bottom: 1em }
+hr.docutils {
+  width: 75%; }
 
-ol.arabic {
-  list-style: decimal }
+img.align-left, .figure.align-left, object.align-left {
+  clear: left;
+  float: left;
+  margin-right: 1em; }
 
-ol.loweralpha {
-  list-style: lower-alpha }
+img.align-right, .figure.align-right, object.align-right {
+  clear: right;
+  float: right;
+  margin-left: 1em; }
 
-ol.upperalpha {
-  list-style: upper-alpha }
+img.align-center, .figure.align-center, object.align-center {
+  display: block;
+  margin-left: auto;
+  margin-right: auto; }
 
-ol.lowerroman {
-  list-style: lower-roman }
+.align-left {
+  text-align: left; }
 
-ol.upperroman {
-  list-style: upper-roman }
+.align-center {
+  clear: both;
+  text-align: center; }
+
+.align-right {
+  text-align: right; }
+
+/* reset inner alignment in figures */
+div.align-right {
+  text-align: inherit; }
 
 p.attribution {
-  text-align: right ;
-  margin-left: 50% }
+  text-align: right;
+  margin-left: 50%; }
 
 p.caption {
-  font-style: italic }
+  font-style: italic; }
 
 p.credits {
-  font-style: italic ;
-  font-size: smaller }
+  font-style: italic;
+  font-size: smaller; }
 
 p.label {
-  white-space: nowrap }
+  white-space: nowrap; }
 
 p.rubric {
-  font-weight: bold ;
-  font-size: larger ;
-  color: maroon ;
-  text-align: center }
-
-p.sidebar-title {
-  font-family: sans-serif ;
-  font-weight: bold ;
-  font-size: larger }
-
-p.sidebar-subtitle {
-  font-family: sans-serif ;
-  font-weight: bold }
+  font-weight: bold;
+  font-size: larger;
+  color: maroon;
+  text-align: center; }
 
 p.topic-title {
-  font-weight: bold }
+  font-weight: bold; }
 
 pre.address {
-  margin-bottom: 0 ;
-  margin-top: 0 ;
-  font-family: serif ;
-  font-size: 100% }
+  margin-bottom: 0;
+  margin-top: 0;
+  font: inherit; }
 
-pre, span.pre {
-  background-color:#F9F9F9;
-  border:1px dotted #2F6FAB;
-  color:black;
-}
+pre.literal-block, pre.doctest-block, pre.math, pre.code {
+  margin-left: 2em;
+  margin-right: 2em; }
 
-pre {padding:1em;}
+pre.code .ln {
+  color: grey; }
 
-pre.literal-block, pre.doctest-block {
-  margin-left: 2em ;
-  margin-right: 2em }
+/* line numbers */
+pre.code, code {
+  background-color: #eeeeee; }
+
+pre.code .comment, code .comment {
+  color: #5c6576; }
+
+pre.code .keyword, code .keyword {
+  color: #3B0D06;
+  font-weight: bold; }
+
+pre.code .literal.string, code .literal.string {
+  color: #0c5404; }
+
+pre.code .name.builtin, code .name.builtin {
+  color: #352b84; }
+
+pre.code .deleted, code .deleted {
+  background-color: #DEB0A1; }
+
+pre.code .inserted, code .inserted {
+  background-color: #A3D289; }
 
 span.classifier {
-  font-family: sans-serif ;
-  font-style: oblique }
+  font-style: oblique; }
 
 span.classifier-delimiter {
-  font-family: sans-serif ;
-  font-weight: bold }
-
-span.interpreted {
-  font-family: sans-serif }
+  font-weight: bold; }
 
 span.option {
-  white-space: nowrap }
-
-span.pre { white-space: pre }
+  white-space: nowrap; }
 
 span.problematic {
-  color: red }
+  color: #b30000; }
 
 span.section-subtitle {
   /* font-size relative to parent (h1..h6 element) */
-  font-size: 80% }
+  font-size: 80%; }
 
-table.citation {
-  border-left: solid 1px gray;
-  margin-left: 1px }
+span.DecNumber {
+  color: var(--number); }
 
-table.docinfo {
-  margin: 2em 4em }
+span.BinNumber {
+  color: var(--number); }
 
-table.docutils {
-  margin-top: 0.5em ;
-  margin-bottom: 0.5em }
+span.HexNumber {
+  color: var(--number); }
 
-table.footnote {
-  border-left: solid 1px black;
-  margin-left: 1px }
+span.OctNumber {
+  color: var(--number); }
 
-table.docutils td, table.docutils th,
-table.docinfo td, table.docinfo th {
-  padding-left: 0.5em ;
-  padding-right: 0.5em ;
-  vertical-align: top }
+span.FloatNumber {
+  color: var(--number); }
 
-table.docutils th.field-name, table.docinfo th.docinfo-name {
-  font-weight: bold ;
-  text-align: left ;
-  white-space: nowrap ;
-  padding-left: 0 }
+span.Identifier {
+  color: var(--identifier); }
 
-h1 tt.docutils, h2 tt.docutils, h3 tt.docutils,
-h4 tt.docutils, h5 tt.docutils, h6 tt.docutils {
-  font-size: 100% }
+span.Keyword {
+  font-weight: 600;
+  color: var(--keyword); }
 
-ul.auto-toc {
-  list-style-type: none }
+span.StringLit {
+  color: var(--literal); }
 
-a.reference {
-  color: #E00000;
-  font-weight:bold;
+span.LongStringLit {
+  color: var(--literal); }
+
+span.CharLit {
+  color: var(--literal); }
+
+span.EscapeSequence {
+  color: var(--escapeSequence); }
+
+span.Operator {
+  color: var(--operator); }
+
+span.Punctuation {
+  color: var(--punctuation); }
+
+span.Comment, span.LongComment {
+  font-style: italic;
+  font-weight: 400;
+  color: var(--comment); }
+
+span.RegularExpression {
+  color: darkviolet; }
+
+span.TagStart {
+  color: darkviolet; }
+
+span.TagEnd {
+  color: darkviolet; }
+
+span.Key {
+  color: #252dbe; }
+
+span.Value {
+  color: #252dbe; }
+
+span.RawData {
+  color: var(--raw-data); }
+
+span.Assembler {
+  color: #252dbe; }
+
+span.Preprocessor {
+  color: #252dbe; }
+
+span.Directive {
+  color: #252dbe; }
+
+span.Command, span.Rule, span.Hyperlink, span.Label, span.Reference,
+span.Other {
+  color: var(--other); }
+
+/* Pop type, const, proc, and iterator defs in nim def blocks */
+dt pre > span.Identifier, dt pre > span.Operator {
+  color: var(--identifier);
+  font-weight: 700; }
+
+dt pre > span.Keyword ~ span.Identifier, dt pre > span.Identifier ~ span.Identifier,
+dt pre > span.Operator ~ span.Identifier, dt pre > span.Other ~ span.Identifier {
+  color: var(--identifier);
+  font-weight: inherit; }
+
+/* Nim sprite for the footer (taken from main page favicon) */
+.nim-sprite {
+  display: inline-block;
+  width: 51px;
+  height: 14px;
+  background-position: 0 0;
+  background-size: 51px 14px;
+  -webkit-filter: opacity(50%);
+  background-repeat: no-repeat;
+  background-image: var(--nim-sprite-base64);
+  margin-bottom: 5px; }
+
+span.pragmadots {
+  /* Position: relative frees us up to make the dots
+  look really nice without fucking up the layout and
+  causing bulging in the parent container */
+  position: relative;
+  /* 1px down looks slightly nicer */
+  top: 1px;
+  padding: 2px;
+  background-color: var(--third-background);
+  border-radius: 4px;
+  margin: 0 2px;
+  cursor: pointer;
+  font-size: 0.8em;
 }
 
-a.reference:hover {
-  color: #E00000;
-  background-color: #ffff00;
-  display: margin;
-  font-weight:bold;
+span.pragmadots:hover {
+  background-color: var(--hint);
+}
+span.pragmawrap {
+  display: none;
 }
 
-div.topic ul {
-  list-style-type: none;
-}
+span.attachedType {
+  display: none;
+  visibility: hidden;
+}
\ No newline at end of file
diff --git a/lib/pure/os.nim b/lib/pure/os.nim
index 618faf78cc..ba64056216 100644
--- a/lib/pure/os.nim
+++ b/lib/pure/os.nim
@@ -213,9 +213,9 @@ proc splitPath*(path: string): tuple[head, tail: string] {.
     assert splitPath("usr/local/bin/") == ("usr/local/bin", "")
     assert splitPath("/bin/") == ("/bin", "")
     when (NimMajor, NimMinor) <= (1, 0):
-        assert splitPath("/bin") == ("", "bin")
+      assert splitPath("/bin") == ("", "bin")
     else:
-        assert splitPath("/bin") == ("/", "bin")
+      assert splitPath("/bin") == ("/", "bin")
     assert splitPath("bin") == ("", "bin")
     assert splitPath("") == ("", "")
 
diff --git a/nimdoc/test_out_index_dot_html/expected/index.html b/nimdoc/test_out_index_dot_html/expected/index.html
index 49873c0d4d..caf38a86d1 100644
--- a/nimdoc/test_out_index_dot_html/expected/index.html
+++ b/nimdoc/test_out_index_dot_html/expected/index.html
@@ -18,772 +18,7 @@
 
 <!-- CSS -->
 <title>foo</title>
-<style type="text/css" >
-/*
-Stylesheet for use with Docutils/rst2html.
-
-See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
-customize this style sheet.
-
-Modified from Chad Skeeters' rst2html-style
-https://bitbucket.org/cskeeters/rst2html-style/
-
-Modified by Boyd Greenfield and narimiran
-*/
-
-html {
-  font-size: 100%;
-  -webkit-text-size-adjust: 100%;
-  -ms-text-size-adjust: 100%; }
-
-body {
-  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
-  font-weight: 400;
-  font-size: 1.125em;
-  line-height: 1.5;
-  color: #222;
-  background-color: #FCFCFC; }
-
-/* Skeleton grid */
-.container {
-  position: relative;
-  width: 100%;
-  max-width: 1050px;
-  margin: 0 auto;
-  padding: 0;
-  box-sizing: border-box; }
-
-.column,
-.columns {
-  width: 100%;
-  float: left;
-  box-sizing: border-box;
-  margin-left: 1%;
-}
-
-.column:first-child,
-.columns:first-child {
-  margin-left: 0; }
-
-.three.columns {
-  width: 19%; }
-
-.nine.columns {
-  width: 80.0%; }
-
-.twelve.columns {
-  width: 100%;
-  margin-left: 0; }
-
-@media screen and (max-width: 860px) {
-  .three.columns {
-    display: none;
-  }
-  .nine.columns {
-    width: 98.0%;
-  }
-  body {
-    font-size: 1em;
-    line-height: 1.35;
-  }
-}
-
-cite {
-  font-style: italic !important; }
-
-
-/* Nim search input */
-div#searchInputDiv {
-  margin-bottom: 1em;
-}
-input#searchInput {
-  width: 80%;
-}
-
-/*
- * Some custom formatting for input forms.
- * This also fixes input form colors on Firefox with a dark system theme on Linux.
- */
-input {
-  -moz-appearance: none;
-  color: #333;
-  background-color: #f8f8f8;
-  border: 1px solid #aaa;
-  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
-  font-size: 0.9em;
-  padding: 6px;
-}
-input:focus {
-  border: 1px solid #1fa0eb;
-  box-shadow: 0 0 2px #1fa0eb;
-}
-
-/* Docgen styles */
-/* Links */
-a {
-  color: #07b;
-  text-decoration: none;
-}
-
-a span.Identifier {
-  text-decoration: underline;
-  text-decoration-color: #aab;
-}
-
-a.reference-toplevel {
-  font-weight: bold;
-}
-
-a.toc-backref {
-  text-decoration: none;
-  color: #222; }
-
-a.link-seesrc {
-  color: #607c9f;
-  font-size: 0.9em;
-  font-style: italic; }
-
-a:hover,
-a:focus {
-  color: #607c9f;
-  text-decoration: underline; }
-
-a:hover span.Identifier {
-  color: #607c9f;
-}
-
-
-sub,
-sup {
-  position: relative;
-  font-size: 75%;
-  line-height: 0;
-  vertical-align: baseline; }
-
-sup {
-  top: -0.5em; }
-
-sub {
-  bottom: -0.25em; }
-
-img {
-  width: auto;
-  height: auto;
-  max-width: 100%;
-  vertical-align: middle;
-  border: 0;
-  -ms-interpolation-mode: bicubic; }
-
-@media print {
-  * {
-    color: black !important;
-    text-shadow: none !important;
-    background: transparent !important;
-    box-shadow: none !important; }
-
-  a,
-  a:visited {
-    text-decoration: underline; }
-
-  a[href]:after {
-    content: " (" attr(href) ")"; }
-
-  abbr[title]:after {
-    content: " (" attr(title) ")"; }
-
-  .ir a:after,
-  a[href^="javascript:"]:after,
-  a[href^="#"]:after {
-    content: ""; }
-
-  pre,
-  blockquote {
-    border: 1px solid #999;
-    page-break-inside: avoid; }
-
-  thead {
-    display: table-header-group; }
-
-  tr,
-  img {
-    page-break-inside: avoid; }
-
-  img {
-    max-width: 100% !important; }
-
-  @page {
-    margin: 0.5cm; }
-
-  h1 {
-    page-break-before: always; }
-
-  h1.title {
-    page-break-before: avoid; }
-
-  p,
-  h2,
-  h3 {
-    orphans: 3;
-    widows: 3; }
-
-  h2,
-  h3 {
-    page-break-after: avoid; }
-}
-
-
-p {
-  margin-top: 0.5em;
-  margin-bottom: 0.5em;
-}
-
-small {
-  font-size: 85%; }
-
-strong {
-  font-weight: 600;
-  font-size: 0.95em;
-  color: #3c3c3c;
-}
-
-em {
-  font-style: italic; }
-
-h1 {
-  font-size: 1.8em;
-  font-weight: 400;
-  padding-bottom: .25em;
-  border-bottom: 1px solid #aaa;
-  margin-top: 2.5em;
-  margin-bottom: 1em;
-  line-height: 1.2em; }
-
-h1.title {
-  padding-bottom: 1em;
-  border-bottom: 0px;
-  font-size: 2.5em;
-  text-align: center;
-  font-weight: 900;
-  margin-top: 0.75em;
-  margin-bottom: 0em;
-}
-
-h2 {
-  font-size: 1.3em;
-  margin-top: 2em; }
-
-h2.subtitle {
-  text-align: center; }
-
-h3 {
-  font-size: 1.125em;
-  font-style: italic;
-  margin-top: 1.5em; }
-
-h4 {
-  font-size: 1.125em;
-  margin-top: 1em; }
-
-h5 {
-  font-size: 1.125em;
-  margin-top: 0.75em; }
-
-h6 {
-  font-size: 1.1em; }
-
-
-ul,
-ol {
-  padding: 0;
-  margin-top: 0.5em;
-  margin-left: 0.75em; }
-
-ul ul,
-ul ol,
-ol ol,
-ol ul {
-  margin-bottom: 0;
-  margin-left: 1.25em; }
-
-li {
-    list-style-type: circle;
-}
-
-ul.simple-boot li {
-    list-style-type: none;
-    margin-left: 0em;
-    margin-bottom: 0.5em;
-}
-
-ol.simple > li, ul.simple > li {
-  margin-bottom: 0.25em;
-  margin-left: 0.4em }
-
-ul.simple.simple-toc > li {
-    margin-top: 1em;
-}
-
-ul.simple-toc {
-  list-style: none;
-  font-size: 0.9em;
-  margin-left: -0.3em;
-  margin-top: 1em; }
-
-ul.simple-toc > li {
-    list-style-type: none;
-}
-
-ul.simple-toc-section {
-  list-style-type: circle;
-  margin-left: 1em;
-  color: #6c9aae; }
-
-
-ol.arabic {
-  list-style: decimal; }
-
-ol.loweralpha {
-  list-style: lower-alpha; }
-
-ol.upperalpha {
-  list-style: upper-alpha; }
-
-ol.lowerroman {
-  list-style: lower-roman; }
-
-ol.upperroman {
-  list-style: upper-roman; }
-
-ul.auto-toc {
-  list-style-type: none; }
-
-
-dl {
-  margin-bottom: 1.5em; }
-
-dt {
-  margin-bottom: -0.5em;
-  margin-left: 0.0em; }
-
-dd {
-  margin-left: 2.0em;
-  margin-bottom: 3.0em;
-  margin-top: 0.5em; }
-
-
-hr {
-  margin: 2em 0;
-  border: 0;
-  border-top: 1px solid #aaa; }
-
-blockquote {
-  font-size: 0.9em;
-  font-style: italic;
-  padding-left: 0.5em;
-  margin-left: 0;
-  border-left: 5px solid #bbc;
-}
-
-.pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  font-weight: 500;
-  font-size: 0.85em;
-  background-color: #f0f3ff;
-  padding-left: 3px;
-  padding-right: 3px;
-  border-radius: 4px;
-}
-
-pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  color: #222;
-  font-weight: 500;
-  display: inline-block;
-  box-sizing: border-box;
-  min-width: 100%;
-  padding: 0.5em;
-  margin-top: 0.5em;
-  margin-bottom: 0.5em;
-  font-size: 0.85em;
-  white-space: pre !important;
-  overflow-y: hidden;
-  overflow-x: visible;
-  background-color: ghostwhite;
-  border: 1px solid #dde;
-  -webkit-border-radius: 6px;
-  -moz-border-radius: 6px;
-  border-radius: 6px; }
-
-.pre-scrollable {
-  max-height: 340px;
-  overflow-y: scroll; }
-
-
-/* Nim line-numbered tables */
-.line-nums-table {
-  width: 100%;
-  table-layout: fixed; }
-
-table.line-nums-table {
-  border-radius: 4px;
-  border: 1px solid #cccccc;
-  background-color: ghostwhite;
-  border-collapse: separate;
-  margin-top: 15px;
-  margin-bottom: 25px; }
-
-.line-nums-table tbody {
-  border: none; }
-
-.line-nums-table td pre {
-  border: none;
-  background-color: transparent; }
-
-.line-nums-table td.blob-line-nums {
-  width: 28px; }
-
-.line-nums-table td.blob-line-nums pre {
-  color: #b0b0b0;
-  -webkit-filter: opacity(75%);
-  text-align: right;
-  border-color: transparent;
-  background-color: transparent;
-  padding-left: 0px;
-  margin-left: 0px;
-  padding-right: 0px;
-  margin-right: 0px; }
-
-
-table {
-  max-width: 100%;
-  background-color: transparent;
-  margin-top: 0.5em;
-  margin-bottom: 1.5em;
-  border-collapse: collapse;
-  border-color: #ccc;
-  border-spacing: 0;
-  font-size: 0.9em;
-}
-
-table th, table td {
-  padding: 0px 0.5em 0px;
-}
-
-table th {
-  background-color: #e8e8e8;
-  font-weight: bold; }
-
-table th.docinfo-name {
-    background-color: transparent;
-}
-
-table tr:hover {
-  background-color: ghostwhite; }
-
-
-/* rst2html default used to remove borders from tables and images */
-.borderless, table.borderless td, table.borderless th {
-  border: 0; }
-
-table.borderless td, table.borderless th {
-  /* Override padding for "table.docutils td" with "! important".
-     The right padding separates the table cells. */
-  padding: 0 0.5em 0 0 !important; }
-
-.first {
-  /* Override more specific margin styles with "! important". */
-  margin-top: 0 !important; }
-
-.last, .with-subtitle {
-  margin-bottom: 0 !important; }
-
-.hidden {
-  display: none; }
-
-blockquote.epigraph {
-  margin: 2em 5em; }
-
-dl.docutils dd {
-  margin-bottom: 0.5em; }
-
-object[type="image/svg+xml"], object[type="application/x-shockwave-flash"] {
-  overflow: hidden; }
-
-
-div.figure {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-div.footer, div.header {
-  clear: both;
-  text-align: center;
-  color: #666;
-  font-size: smaller; }
-
-div.footer {
-    padding-top: 5em;
-}
-
-div.line-block {
-  display: block;
-  margin-top: 1em;
-  margin-bottom: 1em; }
-
-div.line-block div.line-block {
-  margin-top: 0;
-  margin-bottom: 0;
-  margin-left: 1.5em; }
-
-div.topic {
-  margin: 2em; }
-
-div.search_results {
-  background-color: antiquewhite;
-  margin: 3em;
-  padding: 1em;
-  border: 1px solid #4d4d4d;
-}
-
-div#global-links ul {
-  margin-left: 0;
-  list-style-type: none;
-}
-
-div#global-links > simple-boot {
-    margin-left: 3em;
-}
-
-hr.docutils {
-  width: 75%; }
-
-img.align-left, .figure.align-left, object.align-left {
-  clear: left;
-  float: left;
-  margin-right: 1em; }
-
-img.align-right, .figure.align-right, object.align-right {
-  clear: right;
-  float: right;
-  margin-left: 1em; }
-
-img.align-center, .figure.align-center, object.align-center {
-  display: block;
-  margin-left: auto;
-  margin-right: auto; }
-
-.align-left {
-  text-align: left; }
-
-.align-center {
-  clear: both;
-  text-align: center; }
-
-.align-right {
-  text-align: right; }
-
-/* reset inner alignment in figures */
-div.align-right {
-  text-align: inherit; }
-
-p.attribution {
-  text-align: right;
-  margin-left: 50%; }
-
-p.caption {
-  font-style: italic; }
-
-p.credits {
-  font-style: italic;
-  font-size: smaller; }
-
-p.label {
-  white-space: nowrap; }
-
-p.rubric {
-  font-weight: bold;
-  font-size: larger;
-  color: maroon;
-  text-align: center; }
-
-p.topic-title {
-  font-weight: bold; }
-
-pre.address {
-  margin-bottom: 0;
-  margin-top: 0;
-  font: inherit; }
-
-pre.literal-block, pre.doctest-block, pre.math, pre.code {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-pre.code .ln {
-  color: grey; }
-
-/* line numbers */
-pre.code, code {
-  background-color: #eeeeee; }
-
-pre.code .comment, code .comment {
-  color: #5c6576; }
-
-pre.code .keyword, code .keyword {
-  color: #3B0D06;
-  font-weight: bold; }
-
-pre.code .literal.string, code .literal.string {
-  color: #0c5404; }
-
-pre.code .name.builtin, code .name.builtin {
-  color: #352b84; }
-
-pre.code .deleted, code .deleted {
-  background-color: #DEB0A1; }
-
-pre.code .inserted, code .inserted {
-  background-color: #A3D289; }
-
-span.classifier {
-  font-style: oblique; }
-
-span.classifier-delimiter {
-  font-weight: bold; }
-
-span.option {
-  white-space: nowrap; }
-
-span.problematic {
-  color: #b30000; }
-
-span.section-subtitle {
-  /* font-size relative to parent (h1..h6 element) */
-  font-size: 80%; }
-
-span.DecNumber {
-  color: #252dbe; }
-
-span.BinNumber {
-  color: #252dbe; }
-
-span.HexNumber {
-  color: #252dbe; }
-
-span.OctNumber {
-  color: #252dbe; }
-
-span.FloatNumber {
-  color: #252dbe; }
-
-span.Identifier {
-  color: #222; }
-
-span.Keyword {
-  font-weight: 600;
-  color: #5e8f60; }
-
-span.StringLit {
-  color: #a4255b; }
-
-span.LongStringLit {
-  color: #a4255b; }
-
-span.CharLit {
-  color: #a4255b; }
-
-span.EscapeSequence {
-  color: black; }
-
-span.Operator {
-  color: black; }
-
-span.Punctuation {
-  color: black; }
-
-span.Comment, span.LongComment {
-  font-style: italic;
-  font-weight: 400;
-  color: #484a86; }
-
-span.RegularExpression {
-  color: darkviolet; }
-
-span.TagStart {
-  color: darkviolet; }
-
-span.TagEnd {
-  color: darkviolet; }
-
-span.Key {
-  color: #252dbe; }
-
-span.Value {
-  color: #252dbe; }
-
-span.RawData {
-  color: #a4255b; }
-
-span.Assembler {
-  color: #252dbe; }
-
-span.Preprocessor {
-  color: #252dbe; }
-
-span.Directive {
-  color: #252dbe; }
-
-span.Command, span.Rule, span.Hyperlink, span.Label, span.Reference,
-span.Other {
-  color: black; }
-
-/* Pop type, const, proc, and iterator defs in nim def blocks */
-dt pre > span.Identifier, dt pre > span.Operator {
-  color: #155da4;
-  font-weight: 700; }
-
-dt pre > span.Keyword ~ span.Identifier, dt pre > span.Identifier ~ span.Identifier,
-dt pre > span.Operator ~ span.Identifier, dt pre > span.Other ~ span.Identifier {
-  color: inherit;
-  font-weight: inherit; }
-
-/* Nim sprite for the footer (taken from main page favicon) */
-.nim-sprite {
-  display: inline-block;
-  height: 16px;
-  width: 16px;
-  background-position: 0 0;
-  background-size: 16px 16px;
-  -webkit-filter: opacity(50%);
-  background-repeat: no-repeat;
-  background-image: url("data:image/x-icon;base64,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");
-  margin-bottom: -5px; }
-
-span.pragmadots {
-  /* Position: relative frees us up to make the dots
-  look really nice without fucking up the layout and
-  causing bulging in the parent container */
-  position: relative;
-  /* 1px down looks slightly nicer */
-  top: 1px;
-  padding: 2px;
-  background-color: #e8e8e8;
-  border-radius: 4px;
-  margin: 0 2px;
-  cursor: pointer;
-  font-size: 0.8em;
-}
-
-span.pragmadots:hover {
-  background-color: #DBDBDB;
-}
-span.pragmawrap {
-  display: none;
-}
-
-span.attachedType {
-  display: none;
-  visibility: hidden;
-}
-</style>
+<link rel="stylesheet" type="text/css" href="nimdoc.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
@@ -798,6 +33,37 @@ function main() {
       event.target.parentNode.nextElementSibling.style.display = "inline";
     }
   }
+
+  const toggleSwitch = document.querySelector('.theme-switch input[type="checkbox"]');
+  function switchTheme(e) {
+      if (e.target.checked) {
+          document.documentElement.setAttribute('data-theme', 'dark');
+          localStorage.setItem('theme', 'dark');
+      } else {
+          document.documentElement.setAttribute('data-theme', 'light');
+          localStorage.setItem('theme', 'light');
+      }
+  }
+
+  toggleSwitch.addEventListener('change', switchTheme, false);
+
+
+  if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
+    document.documentElement.setAttribute('data-theme', "dark");
+    toggleSwitch.checked = true;
+  } else if (window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches) {
+    document.documentElement.setAttribute('data-theme', "light");
+    toggleSwitch.checked = false;
+  } else {
+    const currentTheme = localStorage.getItem('theme') ? localStorage.getItem('theme') : null;
+    if (currentTheme) {
+      document.documentElement.setAttribute('data-theme', currentTheme);
+
+      if (currentTheme === 'dark') {
+        toggleSwitch.checked = true;
+      }
+    }
+  }
 }
 </script>
 
@@ -808,6 +74,13 @@ function main() {
     <h1 class="title">foo</h1>
     <div class="row">
   <div class="three columns">
+  <div class="theme-switch-wrapper">
+    <label class="theme-switch" for="checkbox">
+      <input type="checkbox" id="checkbox" />
+      <div class="slider round"></div>
+    </label>
+    &nbsp;&nbsp;&nbsp; <em>Dark Mode</em>
+  </div>
   <div id="global-links">
     <ul class="simple">
     </ul>
@@ -860,7 +133,7 @@ I do foo
       <div class="twelve-columns footer">
         <span class="nim-sprite"></span>
         <br/>
-        <small>Made with Nim. Generated: 1970-01-02 03:46:40 UTC</small>
+        <small style="color: var(--hint);">Made with Nim. Generated: 1970-01-02 03:46:40 UTC</small>
       </div>
     </div>
   </div>
diff --git a/nimdoc/test_out_index_dot_html/expected/theindex.html b/nimdoc/test_out_index_dot_html/expected/theindex.html
index 46fcc13a4e..e0b0c067d3 100644
--- a/nimdoc/test_out_index_dot_html/expected/theindex.html
+++ b/nimdoc/test_out_index_dot_html/expected/theindex.html
@@ -18,772 +18,7 @@
 
 <!-- CSS -->
 <title>Index</title>
-<style type="text/css" >
-/*
-Stylesheet for use with Docutils/rst2html.
-
-See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
-customize this style sheet.
-
-Modified from Chad Skeeters' rst2html-style
-https://bitbucket.org/cskeeters/rst2html-style/
-
-Modified by Boyd Greenfield and narimiran
-*/
-
-html {
-  font-size: 100%;
-  -webkit-text-size-adjust: 100%;
-  -ms-text-size-adjust: 100%; }
-
-body {
-  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
-  font-weight: 400;
-  font-size: 1.125em;
-  line-height: 1.5;
-  color: #222;
-  background-color: #FCFCFC; }
-
-/* Skeleton grid */
-.container {
-  position: relative;
-  width: 100%;
-  max-width: 1050px;
-  margin: 0 auto;
-  padding: 0;
-  box-sizing: border-box; }
-
-.column,
-.columns {
-  width: 100%;
-  float: left;
-  box-sizing: border-box;
-  margin-left: 1%;
-}
-
-.column:first-child,
-.columns:first-child {
-  margin-left: 0; }
-
-.three.columns {
-  width: 19%; }
-
-.nine.columns {
-  width: 80.0%; }
-
-.twelve.columns {
-  width: 100%;
-  margin-left: 0; }
-
-@media screen and (max-width: 860px) {
-  .three.columns {
-    display: none;
-  }
-  .nine.columns {
-    width: 98.0%;
-  }
-  body {
-    font-size: 1em;
-    line-height: 1.35;
-  }
-}
-
-cite {
-  font-style: italic !important; }
-
-
-/* Nim search input */
-div#searchInputDiv {
-  margin-bottom: 1em;
-}
-input#searchInput {
-  width: 80%;
-}
-
-/*
- * Some custom formatting for input forms.
- * This also fixes input form colors on Firefox with a dark system theme on Linux.
- */
-input {
-  -moz-appearance: none;
-  color: #333;
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-}
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-}
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-sub,
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-  position: relative;
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-  border: 0;
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-@media print {
-  * {
-    color: black !important;
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-    content: ""; }
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-  pre,
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-    page-break-inside: avoid; }
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-  img {
-    max-width: 100% !important; }
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-  @page {
-    margin: 0.5cm; }
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-  h1 {
-    page-break-before: always; }
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-  h1.title {
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-  h2,
-  h3 {
-    page-break-after: avoid; }
-}
-
-
-p {
-  margin-top: 0.5em;
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-}
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-small {
-  font-size: 85%; }
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-strong {
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-  color: #3c3c3c;
-}
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-em {
-  font-style: italic; }
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-h1 {
-  font-size: 1.8em;
-  font-weight: 400;
-  padding-bottom: .25em;
-  border-bottom: 1px solid #aaa;
-  margin-top: 2.5em;
-  margin-bottom: 1em;
-  line-height: 1.2em; }
-
-h1.title {
-  padding-bottom: 1em;
-  border-bottom: 0px;
-  font-size: 2.5em;
-  text-align: center;
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-  margin-top: 0.75em;
-  margin-bottom: 0em;
-}
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-h2 {
-  font-size: 1.3em;
-  margin-top: 2em; }
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-h2.subtitle {
-  text-align: center; }
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-h3 {
-  font-size: 1.125em;
-  font-style: italic;
-  margin-top: 1.5em; }
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-h4 {
-  font-size: 1.125em;
-  margin-top: 1em; }
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-h5 {
-  font-size: 1.125em;
-  margin-top: 0.75em; }
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-h6 {
-  font-size: 1.1em; }
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-
-ul,
-ol {
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-  margin-top: 0.5em;
-  margin-left: 0.75em; }
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-ul ul,
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-ol ol,
-ol ul {
-  margin-bottom: 0;
-  margin-left: 1.25em; }
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-li {
-    list-style-type: circle;
-}
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-ul.simple-boot li {
-    list-style-type: none;
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-}
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-ul.simple-toc {
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-  margin-left: -0.3em;
-  margin-top: 1em; }
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-}
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-  list-style-type: circle;
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-  list-style: lower-alpha; }
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-ol.upperroman {
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-dt {
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-hr {
-  margin: 2em 0;
-  border: 0;
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-  padding-left: 0.5em;
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-  border-left: 5px solid #bbc;
-}
-
-.pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  font-weight: 500;
-  font-size: 0.85em;
-  background-color: #f0f3ff;
-  padding-left: 3px;
-  padding-right: 3px;
-  border-radius: 4px;
-}
-
-pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  color: #222;
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-  padding: 0.5em;
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-  background-color: ghostwhite;
-  border: 1px solid #dde;
-  -webkit-border-radius: 6px;
-  -moz-border-radius: 6px;
-  border-radius: 6px; }
-
-.pre-scrollable {
-  max-height: 340px;
-  overflow-y: scroll; }
-
-
-/* Nim line-numbered tables */
-.line-nums-table {
-  width: 100%;
-  table-layout: fixed; }
-
-table.line-nums-table {
-  border-radius: 4px;
-  border: 1px solid #cccccc;
-  background-color: ghostwhite;
-  border-collapse: separate;
-  margin-top: 15px;
-  margin-bottom: 25px; }
-
-.line-nums-table tbody {
-  border: none; }
-
-.line-nums-table td pre {
-  border: none;
-  background-color: transparent; }
-
-.line-nums-table td.blob-line-nums {
-  width: 28px; }
-
-.line-nums-table td.blob-line-nums pre {
-  color: #b0b0b0;
-  -webkit-filter: opacity(75%);
-  text-align: right;
-  border-color: transparent;
-  background-color: transparent;
-  padding-left: 0px;
-  margin-left: 0px;
-  padding-right: 0px;
-  margin-right: 0px; }
-
-
-table {
-  max-width: 100%;
-  background-color: transparent;
-  margin-top: 0.5em;
-  margin-bottom: 1.5em;
-  border-collapse: collapse;
-  border-color: #ccc;
-  border-spacing: 0;
-  font-size: 0.9em;
-}
-
-table th, table td {
-  padding: 0px 0.5em 0px;
-}
-
-table th {
-  background-color: #e8e8e8;
-  font-weight: bold; }
-
-table th.docinfo-name {
-    background-color: transparent;
-}
-
-table tr:hover {
-  background-color: ghostwhite; }
-
-
-/* rst2html default used to remove borders from tables and images */
-.borderless, table.borderless td, table.borderless th {
-  border: 0; }
-
-table.borderless td, table.borderless th {
-  /* Override padding for "table.docutils td" with "! important".
-     The right padding separates the table cells. */
-  padding: 0 0.5em 0 0 !important; }
-
-.first {
-  /* Override more specific margin styles with "! important". */
-  margin-top: 0 !important; }
-
-.last, .with-subtitle {
-  margin-bottom: 0 !important; }
-
-.hidden {
-  display: none; }
-
-blockquote.epigraph {
-  margin: 2em 5em; }
-
-dl.docutils dd {
-  margin-bottom: 0.5em; }
-
-object[type="image/svg+xml"], object[type="application/x-shockwave-flash"] {
-  overflow: hidden; }
-
-
-div.figure {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-div.footer, div.header {
-  clear: both;
-  text-align: center;
-  color: #666;
-  font-size: smaller; }
-
-div.footer {
-    padding-top: 5em;
-}
-
-div.line-block {
-  display: block;
-  margin-top: 1em;
-  margin-bottom: 1em; }
-
-div.line-block div.line-block {
-  margin-top: 0;
-  margin-bottom: 0;
-  margin-left: 1.5em; }
-
-div.topic {
-  margin: 2em; }
-
-div.search_results {
-  background-color: antiquewhite;
-  margin: 3em;
-  padding: 1em;
-  border: 1px solid #4d4d4d;
-}
-
-div#global-links ul {
-  margin-left: 0;
-  list-style-type: none;
-}
-
-div#global-links > simple-boot {
-    margin-left: 3em;
-}
-
-hr.docutils {
-  width: 75%; }
-
-img.align-left, .figure.align-left, object.align-left {
-  clear: left;
-  float: left;
-  margin-right: 1em; }
-
-img.align-right, .figure.align-right, object.align-right {
-  clear: right;
-  float: right;
-  margin-left: 1em; }
-
-img.align-center, .figure.align-center, object.align-center {
-  display: block;
-  margin-left: auto;
-  margin-right: auto; }
-
-.align-left {
-  text-align: left; }
-
-.align-center {
-  clear: both;
-  text-align: center; }
-
-.align-right {
-  text-align: right; }
-
-/* reset inner alignment in figures */
-div.align-right {
-  text-align: inherit; }
-
-p.attribution {
-  text-align: right;
-  margin-left: 50%; }
-
-p.caption {
-  font-style: italic; }
-
-p.credits {
-  font-style: italic;
-  font-size: smaller; }
-
-p.label {
-  white-space: nowrap; }
-
-p.rubric {
-  font-weight: bold;
-  font-size: larger;
-  color: maroon;
-  text-align: center; }
-
-p.topic-title {
-  font-weight: bold; }
-
-pre.address {
-  margin-bottom: 0;
-  margin-top: 0;
-  font: inherit; }
-
-pre.literal-block, pre.doctest-block, pre.math, pre.code {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-pre.code .ln {
-  color: grey; }
-
-/* line numbers */
-pre.code, code {
-  background-color: #eeeeee; }
-
-pre.code .comment, code .comment {
-  color: #5c6576; }
-
-pre.code .keyword, code .keyword {
-  color: #3B0D06;
-  font-weight: bold; }
-
-pre.code .literal.string, code .literal.string {
-  color: #0c5404; }
-
-pre.code .name.builtin, code .name.builtin {
-  color: #352b84; }
-
-pre.code .deleted, code .deleted {
-  background-color: #DEB0A1; }
-
-pre.code .inserted, code .inserted {
-  background-color: #A3D289; }
-
-span.classifier {
-  font-style: oblique; }
-
-span.classifier-delimiter {
-  font-weight: bold; }
-
-span.option {
-  white-space: nowrap; }
-
-span.problematic {
-  color: #b30000; }
-
-span.section-subtitle {
-  /* font-size relative to parent (h1..h6 element) */
-  font-size: 80%; }
-
-span.DecNumber {
-  color: #252dbe; }
-
-span.BinNumber {
-  color: #252dbe; }
-
-span.HexNumber {
-  color: #252dbe; }
-
-span.OctNumber {
-  color: #252dbe; }
-
-span.FloatNumber {
-  color: #252dbe; }
-
-span.Identifier {
-  color: #222; }
-
-span.Keyword {
-  font-weight: 600;
-  color: #5e8f60; }
-
-span.StringLit {
-  color: #a4255b; }
-
-span.LongStringLit {
-  color: #a4255b; }
-
-span.CharLit {
-  color: #a4255b; }
-
-span.EscapeSequence {
-  color: black; }
-
-span.Operator {
-  color: black; }
-
-span.Punctuation {
-  color: black; }
-
-span.Comment, span.LongComment {
-  font-style: italic;
-  font-weight: 400;
-  color: #484a86; }
-
-span.RegularExpression {
-  color: darkviolet; }
-
-span.TagStart {
-  color: darkviolet; }
-
-span.TagEnd {
-  color: darkviolet; }
-
-span.Key {
-  color: #252dbe; }
-
-span.Value {
-  color: #252dbe; }
-
-span.RawData {
-  color: #a4255b; }
-
-span.Assembler {
-  color: #252dbe; }
-
-span.Preprocessor {
-  color: #252dbe; }
-
-span.Directive {
-  color: #252dbe; }
-
-span.Command, span.Rule, span.Hyperlink, span.Label, span.Reference,
-span.Other {
-  color: black; }
-
-/* Pop type, const, proc, and iterator defs in nim def blocks */
-dt pre > span.Identifier, dt pre > span.Operator {
-  color: #155da4;
-  font-weight: 700; }
-
-dt pre > span.Keyword ~ span.Identifier, dt pre > span.Identifier ~ span.Identifier,
-dt pre > span.Operator ~ span.Identifier, dt pre > span.Other ~ span.Identifier {
-  color: inherit;
-  font-weight: inherit; }
-
-/* Nim sprite for the footer (taken from main page favicon) */
-.nim-sprite {
-  display: inline-block;
-  height: 16px;
-  width: 16px;
-  background-position: 0 0;
-  background-size: 16px 16px;
-  -webkit-filter: opacity(50%);
-  background-repeat: no-repeat;
-  background-image: url("data:image/x-icon;base64,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");
-  margin-bottom: -5px; }
-
-span.pragmadots {
-  /* Position: relative frees us up to make the dots
-  look really nice without fucking up the layout and
-  causing bulging in the parent container */
-  position: relative;
-  /* 1px down looks slightly nicer */
-  top: 1px;
-  padding: 2px;
-  background-color: #e8e8e8;
-  border-radius: 4px;
-  margin: 0 2px;
-  cursor: pointer;
-  font-size: 0.8em;
-}
-
-span.pragmadots:hover {
-  background-color: #DBDBDB;
-}
-span.pragmawrap {
-  display: none;
-}
-
-span.attachedType {
-  display: none;
-  visibility: hidden;
-}
-</style>
+<link rel="stylesheet" type="text/css" href="nimdoc.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
@@ -798,6 +33,37 @@ function main() {
       event.target.parentNode.nextElementSibling.style.display = "inline";
     }
   }
+
+  const toggleSwitch = document.querySelector('.theme-switch input[type="checkbox"]');
+  function switchTheme(e) {
+      if (e.target.checked) {
+          document.documentElement.setAttribute('data-theme', 'dark');
+          localStorage.setItem('theme', 'dark');
+      } else {
+          document.documentElement.setAttribute('data-theme', 'light');
+          localStorage.setItem('theme', 'light');
+      }
+  }
+
+  toggleSwitch.addEventListener('change', switchTheme, false);
+
+
+  if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
+    document.documentElement.setAttribute('data-theme', "dark");
+    toggleSwitch.checked = true;
+  } else if (window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches) {
+    document.documentElement.setAttribute('data-theme', "light");
+    toggleSwitch.checked = false;
+  } else {
+    const currentTheme = localStorage.getItem('theme') ? localStorage.getItem('theme') : null;
+    if (currentTheme) {
+      document.documentElement.setAttribute('data-theme', currentTheme);
+
+      if (currentTheme === 'dark') {
+        toggleSwitch.checked = true;
+      }
+    }
+  }
 }
 </script>
 
@@ -816,7 +82,7 @@ function main() {
       <div class="twelve-columns footer">
         <span class="nim-sprite"></span>
         <br/>
-        <small>Made with Nim. Generated: 1970-01-02 03:46:40 UTC</small>
+        <small style="color: var(--hint);">Made with Nim. Generated: 1970-01-02 03:46:40 UTC</small>
       </div>
     </div>
   </div>
diff --git a/nimdoc/testproject/expected/subdir/subdir_b/utils.html b/nimdoc/testproject/expected/subdir/subdir_b/utils.html
index 26d105a000..8d646e6a14 100644
--- a/nimdoc/testproject/expected/subdir/subdir_b/utils.html
+++ b/nimdoc/testproject/expected/subdir/subdir_b/utils.html
@@ -18,772 +18,7 @@
 
 <!-- CSS -->
 <title>utils</title>
-<style type="text/css" >
-/*
-Stylesheet for use with Docutils/rst2html.
-
-See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
-customize this style sheet.
-
-Modified from Chad Skeeters' rst2html-style
-https://bitbucket.org/cskeeters/rst2html-style/
-
-Modified by Boyd Greenfield and narimiran
-*/
-
-html {
-  font-size: 100%;
-  -webkit-text-size-adjust: 100%;
-  -ms-text-size-adjust: 100%; }
-
-body {
-  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
-  font-weight: 400;
-  font-size: 1.125em;
-  line-height: 1.5;
-  color: #222;
-  background-color: #FCFCFC; }
-
-/* Skeleton grid */
-.container {
-  position: relative;
-  width: 100%;
-  max-width: 1050px;
-  margin: 0 auto;
-  padding: 0;
-  box-sizing: border-box; }
-
-.column,
-.columns {
-  width: 100%;
-  float: left;
-  box-sizing: border-box;
-  margin-left: 1%;
-}
-
-.column:first-child,
-.columns:first-child {
-  margin-left: 0; }
-
-.three.columns {
-  width: 19%; }
-
-.nine.columns {
-  width: 80.0%; }
-
-.twelve.columns {
-  width: 100%;
-  margin-left: 0; }
-
-@media screen and (max-width: 860px) {
-  .three.columns {
-    display: none;
-  }
-  .nine.columns {
-    width: 98.0%;
-  }
-  body {
-    font-size: 1em;
-    line-height: 1.35;
-  }
-}
-
-cite {
-  font-style: italic !important; }
-
-
-/* Nim search input */
-div#searchInputDiv {
-  margin-bottom: 1em;
-}
-input#searchInput {
-  width: 80%;
-}
-
-/*
- * Some custom formatting for input forms.
- * This also fixes input form colors on Firefox with a dark system theme on Linux.
- */
-input {
-  -moz-appearance: none;
-  color: #333;
-  background-color: #f8f8f8;
-  border: 1px solid #aaa;
-  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
-  font-size: 0.9em;
-  padding: 6px;
-}
-input:focus {
-  border: 1px solid #1fa0eb;
-  box-shadow: 0 0 2px #1fa0eb;
-}
-
-/* Docgen styles */
-/* Links */
-a {
-  color: #07b;
-  text-decoration: none;
-}
-
-a span.Identifier {
-  text-decoration: underline;
-  text-decoration-color: #aab;
-}
-
-a.reference-toplevel {
-  font-weight: bold;
-}
-
-a.toc-backref {
-  text-decoration: none;
-  color: #222; }
-
-a.link-seesrc {
-  color: #607c9f;
-  font-size: 0.9em;
-  font-style: italic; }
-
-a:hover,
-a:focus {
-  color: #607c9f;
-  text-decoration: underline; }
-
-a:hover span.Identifier {
-  color: #607c9f;
-}
-
-
-sub,
-sup {
-  position: relative;
-  font-size: 75%;
-  line-height: 0;
-  vertical-align: baseline; }
-
-sup {
-  top: -0.5em; }
-
-sub {
-  bottom: -0.25em; }
-
-img {
-  width: auto;
-  height: auto;
-  max-width: 100%;
-  vertical-align: middle;
-  border: 0;
-  -ms-interpolation-mode: bicubic; }
-
-@media print {
-  * {
-    color: black !important;
-    text-shadow: none !important;
-    background: transparent !important;
-    box-shadow: none !important; }
-
-  a,
-  a:visited {
-    text-decoration: underline; }
-
-  a[href]:after {
-    content: " (" attr(href) ")"; }
-
-  abbr[title]:after {
-    content: " (" attr(title) ")"; }
-
-  .ir a:after,
-  a[href^="javascript:"]:after,
-  a[href^="#"]:after {
-    content: ""; }
-
-  pre,
-  blockquote {
-    border: 1px solid #999;
-    page-break-inside: avoid; }
-
-  thead {
-    display: table-header-group; }
-
-  tr,
-  img {
-    page-break-inside: avoid; }
-
-  img {
-    max-width: 100% !important; }
-
-  @page {
-    margin: 0.5cm; }
-
-  h1 {
-    page-break-before: always; }
-
-  h1.title {
-    page-break-before: avoid; }
-
-  p,
-  h2,
-  h3 {
-    orphans: 3;
-    widows: 3; }
-
-  h2,
-  h3 {
-    page-break-after: avoid; }
-}
-
-
-p {
-  margin-top: 0.5em;
-  margin-bottom: 0.5em;
-}
-
-small {
-  font-size: 85%; }
-
-strong {
-  font-weight: 600;
-  font-size: 0.95em;
-  color: #3c3c3c;
-}
-
-em {
-  font-style: italic; }
-
-h1 {
-  font-size: 1.8em;
-  font-weight: 400;
-  padding-bottom: .25em;
-  border-bottom: 1px solid #aaa;
-  margin-top: 2.5em;
-  margin-bottom: 1em;
-  line-height: 1.2em; }
-
-h1.title {
-  padding-bottom: 1em;
-  border-bottom: 0px;
-  font-size: 2.5em;
-  text-align: center;
-  font-weight: 900;
-  margin-top: 0.75em;
-  margin-bottom: 0em;
-}
-
-h2 {
-  font-size: 1.3em;
-  margin-top: 2em; }
-
-h2.subtitle {
-  text-align: center; }
-
-h3 {
-  font-size: 1.125em;
-  font-style: italic;
-  margin-top: 1.5em; }
-
-h4 {
-  font-size: 1.125em;
-  margin-top: 1em; }
-
-h5 {
-  font-size: 1.125em;
-  margin-top: 0.75em; }
-
-h6 {
-  font-size: 1.1em; }
-
-
-ul,
-ol {
-  padding: 0;
-  margin-top: 0.5em;
-  margin-left: 0.75em; }
-
-ul ul,
-ul ol,
-ol ol,
-ol ul {
-  margin-bottom: 0;
-  margin-left: 1.25em; }
-
-li {
-    list-style-type: circle;
-}
-
-ul.simple-boot li {
-    list-style-type: none;
-    margin-left: 0em;
-    margin-bottom: 0.5em;
-}
-
-ol.simple > li, ul.simple > li {
-  margin-bottom: 0.25em;
-  margin-left: 0.4em }
-
-ul.simple.simple-toc > li {
-    margin-top: 1em;
-}
-
-ul.simple-toc {
-  list-style: none;
-  font-size: 0.9em;
-  margin-left: -0.3em;
-  margin-top: 1em; }
-
-ul.simple-toc > li {
-    list-style-type: none;
-}
-
-ul.simple-toc-section {
-  list-style-type: circle;
-  margin-left: 1em;
-  color: #6c9aae; }
-
-
-ol.arabic {
-  list-style: decimal; }
-
-ol.loweralpha {
-  list-style: lower-alpha; }
-
-ol.upperalpha {
-  list-style: upper-alpha; }
-
-ol.lowerroman {
-  list-style: lower-roman; }
-
-ol.upperroman {
-  list-style: upper-roman; }
-
-ul.auto-toc {
-  list-style-type: none; }
-
-
-dl {
-  margin-bottom: 1.5em; }
-
-dt {
-  margin-bottom: -0.5em;
-  margin-left: 0.0em; }
-
-dd {
-  margin-left: 2.0em;
-  margin-bottom: 3.0em;
-  margin-top: 0.5em; }
-
-
-hr {
-  margin: 2em 0;
-  border: 0;
-  border-top: 1px solid #aaa; }
-
-blockquote {
-  font-size: 0.9em;
-  font-style: italic;
-  padding-left: 0.5em;
-  margin-left: 0;
-  border-left: 5px solid #bbc;
-}
-
-.pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  font-weight: 500;
-  font-size: 0.85em;
-  background-color: #f0f3ff;
-  padding-left: 3px;
-  padding-right: 3px;
-  border-radius: 4px;
-}
-
-pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  color: #222;
-  font-weight: 500;
-  display: inline-block;
-  box-sizing: border-box;
-  min-width: 100%;
-  padding: 0.5em;
-  margin-top: 0.5em;
-  margin-bottom: 0.5em;
-  font-size: 0.85em;
-  white-space: pre !important;
-  overflow-y: hidden;
-  overflow-x: visible;
-  background-color: ghostwhite;
-  border: 1px solid #dde;
-  -webkit-border-radius: 6px;
-  -moz-border-radius: 6px;
-  border-radius: 6px; }
-
-.pre-scrollable {
-  max-height: 340px;
-  overflow-y: scroll; }
-
-
-/* Nim line-numbered tables */
-.line-nums-table {
-  width: 100%;
-  table-layout: fixed; }
-
-table.line-nums-table {
-  border-radius: 4px;
-  border: 1px solid #cccccc;
-  background-color: ghostwhite;
-  border-collapse: separate;
-  margin-top: 15px;
-  margin-bottom: 25px; }
-
-.line-nums-table tbody {
-  border: none; }
-
-.line-nums-table td pre {
-  border: none;
-  background-color: transparent; }
-
-.line-nums-table td.blob-line-nums {
-  width: 28px; }
-
-.line-nums-table td.blob-line-nums pre {
-  color: #b0b0b0;
-  -webkit-filter: opacity(75%);
-  text-align: right;
-  border-color: transparent;
-  background-color: transparent;
-  padding-left: 0px;
-  margin-left: 0px;
-  padding-right: 0px;
-  margin-right: 0px; }
-
-
-table {
-  max-width: 100%;
-  background-color: transparent;
-  margin-top: 0.5em;
-  margin-bottom: 1.5em;
-  border-collapse: collapse;
-  border-color: #ccc;
-  border-spacing: 0;
-  font-size: 0.9em;
-}
-
-table th, table td {
-  padding: 0px 0.5em 0px;
-}
-
-table th {
-  background-color: #e8e8e8;
-  font-weight: bold; }
-
-table th.docinfo-name {
-    background-color: transparent;
-}
-
-table tr:hover {
-  background-color: ghostwhite; }
-
-
-/* rst2html default used to remove borders from tables and images */
-.borderless, table.borderless td, table.borderless th {
-  border: 0; }
-
-table.borderless td, table.borderless th {
-  /* Override padding for "table.docutils td" with "! important".
-     The right padding separates the table cells. */
-  padding: 0 0.5em 0 0 !important; }
-
-.first {
-  /* Override more specific margin styles with "! important". */
-  margin-top: 0 !important; }
-
-.last, .with-subtitle {
-  margin-bottom: 0 !important; }
-
-.hidden {
-  display: none; }
-
-blockquote.epigraph {
-  margin: 2em 5em; }
-
-dl.docutils dd {
-  margin-bottom: 0.5em; }
-
-object[type="image/svg+xml"], object[type="application/x-shockwave-flash"] {
-  overflow: hidden; }
-
-
-div.figure {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-div.footer, div.header {
-  clear: both;
-  text-align: center;
-  color: #666;
-  font-size: smaller; }
-
-div.footer {
-    padding-top: 5em;
-}
-
-div.line-block {
-  display: block;
-  margin-top: 1em;
-  margin-bottom: 1em; }
-
-div.line-block div.line-block {
-  margin-top: 0;
-  margin-bottom: 0;
-  margin-left: 1.5em; }
-
-div.topic {
-  margin: 2em; }
-
-div.search_results {
-  background-color: antiquewhite;
-  margin: 3em;
-  padding: 1em;
-  border: 1px solid #4d4d4d;
-}
-
-div#global-links ul {
-  margin-left: 0;
-  list-style-type: none;
-}
-
-div#global-links > simple-boot {
-    margin-left: 3em;
-}
-
-hr.docutils {
-  width: 75%; }
-
-img.align-left, .figure.align-left, object.align-left {
-  clear: left;
-  float: left;
-  margin-right: 1em; }
-
-img.align-right, .figure.align-right, object.align-right {
-  clear: right;
-  float: right;
-  margin-left: 1em; }
-
-img.align-center, .figure.align-center, object.align-center {
-  display: block;
-  margin-left: auto;
-  margin-right: auto; }
-
-.align-left {
-  text-align: left; }
-
-.align-center {
-  clear: both;
-  text-align: center; }
-
-.align-right {
-  text-align: right; }
-
-/* reset inner alignment in figures */
-div.align-right {
-  text-align: inherit; }
-
-p.attribution {
-  text-align: right;
-  margin-left: 50%; }
-
-p.caption {
-  font-style: italic; }
-
-p.credits {
-  font-style: italic;
-  font-size: smaller; }
-
-p.label {
-  white-space: nowrap; }
-
-p.rubric {
-  font-weight: bold;
-  font-size: larger;
-  color: maroon;
-  text-align: center; }
-
-p.topic-title {
-  font-weight: bold; }
-
-pre.address {
-  margin-bottom: 0;
-  margin-top: 0;
-  font: inherit; }
-
-pre.literal-block, pre.doctest-block, pre.math, pre.code {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-pre.code .ln {
-  color: grey; }
-
-/* line numbers */
-pre.code, code {
-  background-color: #eeeeee; }
-
-pre.code .comment, code .comment {
-  color: #5c6576; }
-
-pre.code .keyword, code .keyword {
-  color: #3B0D06;
-  font-weight: bold; }
-
-pre.code .literal.string, code .literal.string {
-  color: #0c5404; }
-
-pre.code .name.builtin, code .name.builtin {
-  color: #352b84; }
-
-pre.code .deleted, code .deleted {
-  background-color: #DEB0A1; }
-
-pre.code .inserted, code .inserted {
-  background-color: #A3D289; }
-
-span.classifier {
-  font-style: oblique; }
-
-span.classifier-delimiter {
-  font-weight: bold; }
-
-span.option {
-  white-space: nowrap; }
-
-span.problematic {
-  color: #b30000; }
-
-span.section-subtitle {
-  /* font-size relative to parent (h1..h6 element) */
-  font-size: 80%; }
-
-span.DecNumber {
-  color: #252dbe; }
-
-span.BinNumber {
-  color: #252dbe; }
-
-span.HexNumber {
-  color: #252dbe; }
-
-span.OctNumber {
-  color: #252dbe; }
-
-span.FloatNumber {
-  color: #252dbe; }
-
-span.Identifier {
-  color: #222; }
-
-span.Keyword {
-  font-weight: 600;
-  color: #5e8f60; }
-
-span.StringLit {
-  color: #a4255b; }
-
-span.LongStringLit {
-  color: #a4255b; }
-
-span.CharLit {
-  color: #a4255b; }
-
-span.EscapeSequence {
-  color: black; }
-
-span.Operator {
-  color: black; }
-
-span.Punctuation {
-  color: black; }
-
-span.Comment, span.LongComment {
-  font-style: italic;
-  font-weight: 400;
-  color: #484a86; }
-
-span.RegularExpression {
-  color: darkviolet; }
-
-span.TagStart {
-  color: darkviolet; }
-
-span.TagEnd {
-  color: darkviolet; }
-
-span.Key {
-  color: #252dbe; }
-
-span.Value {
-  color: #252dbe; }
-
-span.RawData {
-  color: #a4255b; }
-
-span.Assembler {
-  color: #252dbe; }
-
-span.Preprocessor {
-  color: #252dbe; }
-
-span.Directive {
-  color: #252dbe; }
-
-span.Command, span.Rule, span.Hyperlink, span.Label, span.Reference,
-span.Other {
-  color: black; }
-
-/* Pop type, const, proc, and iterator defs in nim def blocks */
-dt pre > span.Identifier, dt pre > span.Operator {
-  color: #155da4;
-  font-weight: 700; }
-
-dt pre > span.Keyword ~ span.Identifier, dt pre > span.Identifier ~ span.Identifier,
-dt pre > span.Operator ~ span.Identifier, dt pre > span.Other ~ span.Identifier {
-  color: inherit;
-  font-weight: inherit; }
-
-/* Nim sprite for the footer (taken from main page favicon) */
-.nim-sprite {
-  display: inline-block;
-  height: 16px;
-  width: 16px;
-  background-position: 0 0;
-  background-size: 16px 16px;
-  -webkit-filter: opacity(50%);
-  background-repeat: no-repeat;
-  background-image: url("data:image/x-icon;base64,AAABAAEAEBAAAAEAIABoBAAAFgAAACgAAAAQAAAAIAAAAAEAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AAAAAAUAAAAF////AP///wD///8A////AP///wD///8A////AP///wD///8A////AAAAAAIAAABbAAAAlQAAAKIAAACbAAAAmwAAAKIAAACVAAAAWwAAAAL///8A////AP///wD///8A////AAAAABQAAADAAAAAYwAAAA3///8A////AP///wD///8AAAAADQAAAGMAAADAAAAAFP///wD///8A////AP///wAAAACdAAAAOv///wD///8A////AP///wD///8A////AP///wD///8AAAAAOgAAAJ3///8A////AP///wAAAAAnAAAAcP///wAAAAAoAAAASv///wD///8A////AP///wAAAABKAAAAKP///wAAAABwAAAAJ////wD///8AAAAAgQAAABwAAACIAAAAkAAAAJMAAACtAAAAFQAAABUAAACtAAAAkwAAAJAAAACIAAAAHAAAAIH///8A////AAAAAKQAAACrAAAAaP///wD///8AAAAARQAAANIAAADSAAAARf///wD///8AAAAAaAAAAKsAAACk////AAAAADMAAACcAAAAnQAAABj///8A////AP///wAAAAAYAAAAGP///wD///8A////AAAAABgAAACdAAAAnAAAADMAAAB1AAAAwwAAAP8AAADpAAAAsQAAAE4AAAAb////AP///wAAAAAbAAAATgAAALEAAADpAAAA/wAAAMMAAAB1AAAAtwAAAOkAAAD/AAAA/wAAAP8AAADvAAAA3gAAAN4AAADeAAAA3gAAAO8AAAD/AAAA/wAAAP8AAADpAAAAtwAAAGUAAAA/AAAA3wAAAP8AAAD/AAAA/wAAAP8AAAD/AAAA/wAAAP8AAAD/AAAA/wAAAP8AAADfAAAAPwAAAGX///8A////AAAAAEgAAADtAAAAvwAAAL0AAADGAAAA7wAAAO8AAADGAAAAvQAAAL8AAADtAAAASP///wD///8A////AP///wD///8AAAAAO////wD///8A////AAAAAIcAAACH////AP///wD///8AAAAAO////wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A////AP///wD///8A//8AAP//AAD4HwAA7/cAAN/7AAD//wAAoYUAAJ55AACf+QAAh+EAAAAAAADAAwAA4AcAAP5/AAD//wAA//8AAA==");
-  margin-bottom: -5px; }
-
-span.pragmadots {
-  /* Position: relative frees us up to make the dots
-  look really nice without fucking up the layout and
-  causing bulging in the parent container */
-  position: relative;
-  /* 1px down looks slightly nicer */
-  top: 1px;
-  padding: 2px;
-  background-color: #e8e8e8;
-  border-radius: 4px;
-  margin: 0 2px;
-  cursor: pointer;
-  font-size: 0.8em;
-}
-
-span.pragmadots:hover {
-  background-color: #DBDBDB;
-}
-span.pragmawrap {
-  display: none;
-}
-
-span.attachedType {
-  display: none;
-  visibility: hidden;
-}
-</style>
+<link rel="stylesheet" type="text/css" href="nimdoc.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
@@ -798,6 +33,37 @@ function main() {
       event.target.parentNode.nextElementSibling.style.display = "inline";
     }
   }
+
+  const toggleSwitch = document.querySelector('.theme-switch input[type="checkbox"]');
+  function switchTheme(e) {
+      if (e.target.checked) {
+          document.documentElement.setAttribute('data-theme', 'dark');
+          localStorage.setItem('theme', 'dark');
+      } else {
+          document.documentElement.setAttribute('data-theme', 'light');
+          localStorage.setItem('theme', 'light');
+      }
+  }
+
+  toggleSwitch.addEventListener('change', switchTheme, false);
+
+
+  if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
+    document.documentElement.setAttribute('data-theme', "dark");
+    toggleSwitch.checked = true;
+  } else if (window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches) {
+    document.documentElement.setAttribute('data-theme', "light");
+    toggleSwitch.checked = false;
+  } else {
+    const currentTheme = localStorage.getItem('theme') ? localStorage.getItem('theme') : null;
+    if (currentTheme) {
+      document.documentElement.setAttribute('data-theme', currentTheme);
+
+      if (currentTheme === 'dark') {
+        toggleSwitch.checked = true;
+      }
+    }
+  }
 }
 </script>
 
@@ -808,6 +74,13 @@ function main() {
     <h1 class="title">utils</h1>
     <div class="row">
   <div class="three columns">
+  <div class="theme-switch-wrapper">
+    <label class="theme-switch" for="checkbox">
+      <input type="checkbox" id="checkbox" />
+      <div class="slider round"></div>
+    </label>
+    &nbsp;&nbsp;&nbsp; <em>Dark Mode</em>
+  </div>
   <div id="global-links">
     <ul class="simple">
     </ul>
@@ -928,7 +201,7 @@ constructor.
       <div class="twelve-columns footer">
         <span class="nim-sprite"></span>
         <br/>
-        <small>Made with Nim. Generated: 1970-01-02 03:46:40 UTC</small>
+        <small style="color: var(--hint);">Made with Nim. Generated: 1970-01-02 03:46:40 UTC</small>
       </div>
     </div>
   </div>
diff --git a/nimdoc/testproject/expected/testproject.html b/nimdoc/testproject/expected/testproject.html
index dbe6d9480a..123ddce595 100644
--- a/nimdoc/testproject/expected/testproject.html
+++ b/nimdoc/testproject/expected/testproject.html
@@ -18,772 +18,7 @@
 
 <!-- CSS -->
 <title>testproject</title>
-<style type="text/css" >
-/*
-Stylesheet for use with Docutils/rst2html.
-
-See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
-customize this style sheet.
-
-Modified from Chad Skeeters' rst2html-style
-https://bitbucket.org/cskeeters/rst2html-style/
-
-Modified by Boyd Greenfield and narimiran
-*/
-
-html {
-  font-size: 100%;
-  -webkit-text-size-adjust: 100%;
-  -ms-text-size-adjust: 100%; }
-
-body {
-  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
-  font-weight: 400;
-  font-size: 1.125em;
-  line-height: 1.5;
-  color: #222;
-  background-color: #FCFCFC; }
-
-/* Skeleton grid */
-.container {
-  position: relative;
-  width: 100%;
-  max-width: 1050px;
-  margin: 0 auto;
-  padding: 0;
-  box-sizing: border-box; }
-
-.column,
-.columns {
-  width: 100%;
-  float: left;
-  box-sizing: border-box;
-  margin-left: 1%;
-}
-
-.column:first-child,
-.columns:first-child {
-  margin-left: 0; }
-
-.three.columns {
-  width: 19%; }
-
-.nine.columns {
-  width: 80.0%; }
-
-.twelve.columns {
-  width: 100%;
-  margin-left: 0; }
-
-@media screen and (max-width: 860px) {
-  .three.columns {
-    display: none;
-  }
-  .nine.columns {
-    width: 98.0%;
-  }
-  body {
-    font-size: 1em;
-    line-height: 1.35;
-  }
-}
-
-cite {
-  font-style: italic !important; }
-
-
-/* Nim search input */
-div#searchInputDiv {
-  margin-bottom: 1em;
-}
-input#searchInput {
-  width: 80%;
-}
-
-/*
- * Some custom formatting for input forms.
- * This also fixes input form colors on Firefox with a dark system theme on Linux.
- */
-input {
-  -moz-appearance: none;
-  color: #333;
-  background-color: #f8f8f8;
-  border: 1px solid #aaa;
-  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
-  font-size: 0.9em;
-  padding: 6px;
-}
-input:focus {
-  border: 1px solid #1fa0eb;
-  box-shadow: 0 0 2px #1fa0eb;
-}
-
-/* Docgen styles */
-/* Links */
-a {
-  color: #07b;
-  text-decoration: none;
-}
-
-a span.Identifier {
-  text-decoration: underline;
-  text-decoration-color: #aab;
-}
-
-a.reference-toplevel {
-  font-weight: bold;
-}
-
-a.toc-backref {
-  text-decoration: none;
-  color: #222; }
-
-a.link-seesrc {
-  color: #607c9f;
-  font-size: 0.9em;
-  font-style: italic; }
-
-a:hover,
-a:focus {
-  color: #607c9f;
-  text-decoration: underline; }
-
-a:hover span.Identifier {
-  color: #607c9f;
-}
-
-
-sub,
-sup {
-  position: relative;
-  font-size: 75%;
-  line-height: 0;
-  vertical-align: baseline; }
-
-sup {
-  top: -0.5em; }
-
-sub {
-  bottom: -0.25em; }
-
-img {
-  width: auto;
-  height: auto;
-  max-width: 100%;
-  vertical-align: middle;
-  border: 0;
-  -ms-interpolation-mode: bicubic; }
-
-@media print {
-  * {
-    color: black !important;
-    text-shadow: none !important;
-    background: transparent !important;
-    box-shadow: none !important; }
-
-  a,
-  a:visited {
-    text-decoration: underline; }
-
-  a[href]:after {
-    content: " (" attr(href) ")"; }
-
-  abbr[title]:after {
-    content: " (" attr(title) ")"; }
-
-  .ir a:after,
-  a[href^="javascript:"]:after,
-  a[href^="#"]:after {
-    content: ""; }
-
-  pre,
-  blockquote {
-    border: 1px solid #999;
-    page-break-inside: avoid; }
-
-  thead {
-    display: table-header-group; }
-
-  tr,
-  img {
-    page-break-inside: avoid; }
-
-  img {
-    max-width: 100% !important; }
-
-  @page {
-    margin: 0.5cm; }
-
-  h1 {
-    page-break-before: always; }
-
-  h1.title {
-    page-break-before: avoid; }
-
-  p,
-  h2,
-  h3 {
-    orphans: 3;
-    widows: 3; }
-
-  h2,
-  h3 {
-    page-break-after: avoid; }
-}
-
-
-p {
-  margin-top: 0.5em;
-  margin-bottom: 0.5em;
-}
-
-small {
-  font-size: 85%; }
-
-strong {
-  font-weight: 600;
-  font-size: 0.95em;
-  color: #3c3c3c;
-}
-
-em {
-  font-style: italic; }
-
-h1 {
-  font-size: 1.8em;
-  font-weight: 400;
-  padding-bottom: .25em;
-  border-bottom: 1px solid #aaa;
-  margin-top: 2.5em;
-  margin-bottom: 1em;
-  line-height: 1.2em; }
-
-h1.title {
-  padding-bottom: 1em;
-  border-bottom: 0px;
-  font-size: 2.5em;
-  text-align: center;
-  font-weight: 900;
-  margin-top: 0.75em;
-  margin-bottom: 0em;
-}
-
-h2 {
-  font-size: 1.3em;
-  margin-top: 2em; }
-
-h2.subtitle {
-  text-align: center; }
-
-h3 {
-  font-size: 1.125em;
-  font-style: italic;
-  margin-top: 1.5em; }
-
-h4 {
-  font-size: 1.125em;
-  margin-top: 1em; }
-
-h5 {
-  font-size: 1.125em;
-  margin-top: 0.75em; }
-
-h6 {
-  font-size: 1.1em; }
-
-
-ul,
-ol {
-  padding: 0;
-  margin-top: 0.5em;
-  margin-left: 0.75em; }
-
-ul ul,
-ul ol,
-ol ol,
-ol ul {
-  margin-bottom: 0;
-  margin-left: 1.25em; }
-
-li {
-    list-style-type: circle;
-}
-
-ul.simple-boot li {
-    list-style-type: none;
-    margin-left: 0em;
-    margin-bottom: 0.5em;
-}
-
-ol.simple > li, ul.simple > li {
-  margin-bottom: 0.25em;
-  margin-left: 0.4em }
-
-ul.simple.simple-toc > li {
-    margin-top: 1em;
-}
-
-ul.simple-toc {
-  list-style: none;
-  font-size: 0.9em;
-  margin-left: -0.3em;
-  margin-top: 1em; }
-
-ul.simple-toc > li {
-    list-style-type: none;
-}
-
-ul.simple-toc-section {
-  list-style-type: circle;
-  margin-left: 1em;
-  color: #6c9aae; }
-
-
-ol.arabic {
-  list-style: decimal; }
-
-ol.loweralpha {
-  list-style: lower-alpha; }
-
-ol.upperalpha {
-  list-style: upper-alpha; }
-
-ol.lowerroman {
-  list-style: lower-roman; }
-
-ol.upperroman {
-  list-style: upper-roman; }
-
-ul.auto-toc {
-  list-style-type: none; }
-
-
-dl {
-  margin-bottom: 1.5em; }
-
-dt {
-  margin-bottom: -0.5em;
-  margin-left: 0.0em; }
-
-dd {
-  margin-left: 2.0em;
-  margin-bottom: 3.0em;
-  margin-top: 0.5em; }
-
-
-hr {
-  margin: 2em 0;
-  border: 0;
-  border-top: 1px solid #aaa; }
-
-blockquote {
-  font-size: 0.9em;
-  font-style: italic;
-  padding-left: 0.5em;
-  margin-left: 0;
-  border-left: 5px solid #bbc;
-}
-
-.pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  font-weight: 500;
-  font-size: 0.85em;
-  background-color: #f0f3ff;
-  padding-left: 3px;
-  padding-right: 3px;
-  border-radius: 4px;
-}
-
-pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  color: #222;
-  font-weight: 500;
-  display: inline-block;
-  box-sizing: border-box;
-  min-width: 100%;
-  padding: 0.5em;
-  margin-top: 0.5em;
-  margin-bottom: 0.5em;
-  font-size: 0.85em;
-  white-space: pre !important;
-  overflow-y: hidden;
-  overflow-x: visible;
-  background-color: ghostwhite;
-  border: 1px solid #dde;
-  -webkit-border-radius: 6px;
-  -moz-border-radius: 6px;
-  border-radius: 6px; }
-
-.pre-scrollable {
-  max-height: 340px;
-  overflow-y: scroll; }
-
-
-/* Nim line-numbered tables */
-.line-nums-table {
-  width: 100%;
-  table-layout: fixed; }
-
-table.line-nums-table {
-  border-radius: 4px;
-  border: 1px solid #cccccc;
-  background-color: ghostwhite;
-  border-collapse: separate;
-  margin-top: 15px;
-  margin-bottom: 25px; }
-
-.line-nums-table tbody {
-  border: none; }
-
-.line-nums-table td pre {
-  border: none;
-  background-color: transparent; }
-
-.line-nums-table td.blob-line-nums {
-  width: 28px; }
-
-.line-nums-table td.blob-line-nums pre {
-  color: #b0b0b0;
-  -webkit-filter: opacity(75%);
-  text-align: right;
-  border-color: transparent;
-  background-color: transparent;
-  padding-left: 0px;
-  margin-left: 0px;
-  padding-right: 0px;
-  margin-right: 0px; }
-
-
-table {
-  max-width: 100%;
-  background-color: transparent;
-  margin-top: 0.5em;
-  margin-bottom: 1.5em;
-  border-collapse: collapse;
-  border-color: #ccc;
-  border-spacing: 0;
-  font-size: 0.9em;
-}
-
-table th, table td {
-  padding: 0px 0.5em 0px;
-}
-
-table th {
-  background-color: #e8e8e8;
-  font-weight: bold; }
-
-table th.docinfo-name {
-    background-color: transparent;
-}
-
-table tr:hover {
-  background-color: ghostwhite; }
-
-
-/* rst2html default used to remove borders from tables and images */
-.borderless, table.borderless td, table.borderless th {
-  border: 0; }
-
-table.borderless td, table.borderless th {
-  /* Override padding for "table.docutils td" with "! important".
-     The right padding separates the table cells. */
-  padding: 0 0.5em 0 0 !important; }
-
-.first {
-  /* Override more specific margin styles with "! important". */
-  margin-top: 0 !important; }
-
-.last, .with-subtitle {
-  margin-bottom: 0 !important; }
-
-.hidden {
-  display: none; }
-
-blockquote.epigraph {
-  margin: 2em 5em; }
-
-dl.docutils dd {
-  margin-bottom: 0.5em; }
-
-object[type="image/svg+xml"], object[type="application/x-shockwave-flash"] {
-  overflow: hidden; }
-
-
-div.figure {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-div.footer, div.header {
-  clear: both;
-  text-align: center;
-  color: #666;
-  font-size: smaller; }
-
-div.footer {
-    padding-top: 5em;
-}
-
-div.line-block {
-  display: block;
-  margin-top: 1em;
-  margin-bottom: 1em; }
-
-div.line-block div.line-block {
-  margin-top: 0;
-  margin-bottom: 0;
-  margin-left: 1.5em; }
-
-div.topic {
-  margin: 2em; }
-
-div.search_results {
-  background-color: antiquewhite;
-  margin: 3em;
-  padding: 1em;
-  border: 1px solid #4d4d4d;
-}
-
-div#global-links ul {
-  margin-left: 0;
-  list-style-type: none;
-}
-
-div#global-links > simple-boot {
-    margin-left: 3em;
-}
-
-hr.docutils {
-  width: 75%; }
-
-img.align-left, .figure.align-left, object.align-left {
-  clear: left;
-  float: left;
-  margin-right: 1em; }
-
-img.align-right, .figure.align-right, object.align-right {
-  clear: right;
-  float: right;
-  margin-left: 1em; }
-
-img.align-center, .figure.align-center, object.align-center {
-  display: block;
-  margin-left: auto;
-  margin-right: auto; }
-
-.align-left {
-  text-align: left; }
-
-.align-center {
-  clear: both;
-  text-align: center; }
-
-.align-right {
-  text-align: right; }
-
-/* reset inner alignment in figures */
-div.align-right {
-  text-align: inherit; }
-
-p.attribution {
-  text-align: right;
-  margin-left: 50%; }
-
-p.caption {
-  font-style: italic; }
-
-p.credits {
-  font-style: italic;
-  font-size: smaller; }
-
-p.label {
-  white-space: nowrap; }
-
-p.rubric {
-  font-weight: bold;
-  font-size: larger;
-  color: maroon;
-  text-align: center; }
-
-p.topic-title {
-  font-weight: bold; }
-
-pre.address {
-  margin-bottom: 0;
-  margin-top: 0;
-  font: inherit; }
-
-pre.literal-block, pre.doctest-block, pre.math, pre.code {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-pre.code .ln {
-  color: grey; }
-
-/* line numbers */
-pre.code, code {
-  background-color: #eeeeee; }
-
-pre.code .comment, code .comment {
-  color: #5c6576; }
-
-pre.code .keyword, code .keyword {
-  color: #3B0D06;
-  font-weight: bold; }
-
-pre.code .literal.string, code .literal.string {
-  color: #0c5404; }
-
-pre.code .name.builtin, code .name.builtin {
-  color: #352b84; }
-
-pre.code .deleted, code .deleted {
-  background-color: #DEB0A1; }
-
-pre.code .inserted, code .inserted {
-  background-color: #A3D289; }
-
-span.classifier {
-  font-style: oblique; }
-
-span.classifier-delimiter {
-  font-weight: bold; }
-
-span.option {
-  white-space: nowrap; }
-
-span.problematic {
-  color: #b30000; }
-
-span.section-subtitle {
-  /* font-size relative to parent (h1..h6 element) */
-  font-size: 80%; }
-
-span.DecNumber {
-  color: #252dbe; }
-
-span.BinNumber {
-  color: #252dbe; }
-
-span.HexNumber {
-  color: #252dbe; }
-
-span.OctNumber {
-  color: #252dbe; }
-
-span.FloatNumber {
-  color: #252dbe; }
-
-span.Identifier {
-  color: #222; }
-
-span.Keyword {
-  font-weight: 600;
-  color: #5e8f60; }
-
-span.StringLit {
-  color: #a4255b; }
-
-span.LongStringLit {
-  color: #a4255b; }
-
-span.CharLit {
-  color: #a4255b; }
-
-span.EscapeSequence {
-  color: black; }
-
-span.Operator {
-  color: black; }
-
-span.Punctuation {
-  color: black; }
-
-span.Comment, span.LongComment {
-  font-style: italic;
-  font-weight: 400;
-  color: #484a86; }
-
-span.RegularExpression {
-  color: darkviolet; }
-
-span.TagStart {
-  color: darkviolet; }
-
-span.TagEnd {
-  color: darkviolet; }
-
-span.Key {
-  color: #252dbe; }
-
-span.Value {
-  color: #252dbe; }
-
-span.RawData {
-  color: #a4255b; }
-
-span.Assembler {
-  color: #252dbe; }
-
-span.Preprocessor {
-  color: #252dbe; }
-
-span.Directive {
-  color: #252dbe; }
-
-span.Command, span.Rule, span.Hyperlink, span.Label, span.Reference,
-span.Other {
-  color: black; }
-
-/* Pop type, const, proc, and iterator defs in nim def blocks */
-dt pre > span.Identifier, dt pre > span.Operator {
-  color: #155da4;
-  font-weight: 700; }
-
-dt pre > span.Keyword ~ span.Identifier, dt pre > span.Identifier ~ span.Identifier,
-dt pre > span.Operator ~ span.Identifier, dt pre > span.Other ~ span.Identifier {
-  color: inherit;
-  font-weight: inherit; }
-
-/* Nim sprite for the footer (taken from main page favicon) */
-.nim-sprite {
-  display: inline-block;
-  height: 16px;
-  width: 16px;
-  background-position: 0 0;
-  background-size: 16px 16px;
-  -webkit-filter: opacity(50%);
-  background-repeat: no-repeat;
-  background-image: url("data:image/x-icon;base64,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");
-  margin-bottom: -5px; }
-
-span.pragmadots {
-  /* Position: relative frees us up to make the dots
-  look really nice without fucking up the layout and
-  causing bulging in the parent container */
-  position: relative;
-  /* 1px down looks slightly nicer */
-  top: 1px;
-  padding: 2px;
-  background-color: #e8e8e8;
-  border-radius: 4px;
-  margin: 0 2px;
-  cursor: pointer;
-  font-size: 0.8em;
-}
-
-span.pragmadots:hover {
-  background-color: #DBDBDB;
-}
-span.pragmawrap {
-  display: none;
-}
-
-span.attachedType {
-  display: none;
-  visibility: hidden;
-}
-</style>
+<link rel="stylesheet" type="text/css" href="nimdoc.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
@@ -798,6 +33,37 @@ function main() {
       event.target.parentNode.nextElementSibling.style.display = "inline";
     }
   }
+
+  const toggleSwitch = document.querySelector('.theme-switch input[type="checkbox"]');
+  function switchTheme(e) {
+      if (e.target.checked) {
+          document.documentElement.setAttribute('data-theme', 'dark');
+          localStorage.setItem('theme', 'dark');
+      } else {
+          document.documentElement.setAttribute('data-theme', 'light');
+          localStorage.setItem('theme', 'light');
+      }
+  }
+
+  toggleSwitch.addEventListener('change', switchTheme, false);
+
+
+  if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
+    document.documentElement.setAttribute('data-theme', "dark");
+    toggleSwitch.checked = true;
+  } else if (window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches) {
+    document.documentElement.setAttribute('data-theme', "light");
+    toggleSwitch.checked = false;
+  } else {
+    const currentTheme = localStorage.getItem('theme') ? localStorage.getItem('theme') : null;
+    if (currentTheme) {
+      document.documentElement.setAttribute('data-theme', currentTheme);
+
+      if (currentTheme === 'dark') {
+        toggleSwitch.checked = true;
+      }
+    }
+  }
 }
 </script>
 
@@ -808,6 +74,13 @@ function main() {
     <h1 class="title">testproject</h1>
     <div class="row">
   <div class="three columns">
+  <div class="theme-switch-wrapper">
+    <label class="theme-switch" for="checkbox">
+      <input type="checkbox" id="checkbox" />
+      <div class="slider round"></div>
+    </label>
+    &nbsp;&nbsp;&nbsp; <em>Dark Mode</em>
+  </div>
   <div id="global-links">
     <ul class="simple">
     </ul>
@@ -1072,7 +345,7 @@ This does nothing
       <div class="twelve-columns footer">
         <span class="nim-sprite"></span>
         <br/>
-        <small>Made with Nim. Generated: 1970-01-02 03:46:40 UTC</small>
+        <small style="color: var(--hint);">Made with Nim. Generated: 1970-01-02 03:46:40 UTC</small>
       </div>
     </div>
   </div>
diff --git a/nimdoc/testproject/expected/theindex.html b/nimdoc/testproject/expected/theindex.html
index c0f0ce776a..e0282e3552 100644
--- a/nimdoc/testproject/expected/theindex.html
+++ b/nimdoc/testproject/expected/theindex.html
@@ -18,772 +18,7 @@
 
 <!-- CSS -->
 <title>Index</title>
-<style type="text/css" >
-/*
-Stylesheet for use with Docutils/rst2html.
-
-See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
-customize this style sheet.
-
-Modified from Chad Skeeters' rst2html-style
-https://bitbucket.org/cskeeters/rst2html-style/
-
-Modified by Boyd Greenfield and narimiran
-*/
-
-html {
-  font-size: 100%;
-  -webkit-text-size-adjust: 100%;
-  -ms-text-size-adjust: 100%; }
-
-body {
-  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
-  font-weight: 400;
-  font-size: 1.125em;
-  line-height: 1.5;
-  color: #222;
-  background-color: #FCFCFC; }
-
-/* Skeleton grid */
-.container {
-  position: relative;
-  width: 100%;
-  max-width: 1050px;
-  margin: 0 auto;
-  padding: 0;
-  box-sizing: border-box; }
-
-.column,
-.columns {
-  width: 100%;
-  float: left;
-  box-sizing: border-box;
-  margin-left: 1%;
-}
-
-.column:first-child,
-.columns:first-child {
-  margin-left: 0; }
-
-.three.columns {
-  width: 19%; }
-
-.nine.columns {
-  width: 80.0%; }
-
-.twelve.columns {
-  width: 100%;
-  margin-left: 0; }
-
-@media screen and (max-width: 860px) {
-  .three.columns {
-    display: none;
-  }
-  .nine.columns {
-    width: 98.0%;
-  }
-  body {
-    font-size: 1em;
-    line-height: 1.35;
-  }
-}
-
-cite {
-  font-style: italic !important; }
-
-
-/* Nim search input */
-div#searchInputDiv {
-  margin-bottom: 1em;
-}
-input#searchInput {
-  width: 80%;
-}
-
-/*
- * Some custom formatting for input forms.
- * This also fixes input form colors on Firefox with a dark system theme on Linux.
- */
-input {
-  -moz-appearance: none;
-  color: #333;
-  background-color: #f8f8f8;
-  border: 1px solid #aaa;
-  font-family: "Lato", "Helvetica Neue", "HelveticaNeue", Helvetica, Arial, sans-serif;
-  font-size: 0.9em;
-  padding: 6px;
-}
-input:focus {
-  border: 1px solid #1fa0eb;
-  box-shadow: 0 0 2px #1fa0eb;
-}
-
-/* Docgen styles */
-/* Links */
-a {
-  color: #07b;
-  text-decoration: none;
-}
-
-a span.Identifier {
-  text-decoration: underline;
-  text-decoration-color: #aab;
-}
-
-a.reference-toplevel {
-  font-weight: bold;
-}
-
-a.toc-backref {
-  text-decoration: none;
-  color: #222; }
-
-a.link-seesrc {
-  color: #607c9f;
-  font-size: 0.9em;
-  font-style: italic; }
-
-a:hover,
-a:focus {
-  color: #607c9f;
-  text-decoration: underline; }
-
-a:hover span.Identifier {
-  color: #607c9f;
-}
-
-
-sub,
-sup {
-  position: relative;
-  font-size: 75%;
-  line-height: 0;
-  vertical-align: baseline; }
-
-sup {
-  top: -0.5em; }
-
-sub {
-  bottom: -0.25em; }
-
-img {
-  width: auto;
-  height: auto;
-  max-width: 100%;
-  vertical-align: middle;
-  border: 0;
-  -ms-interpolation-mode: bicubic; }
-
-@media print {
-  * {
-    color: black !important;
-    text-shadow: none !important;
-    background: transparent !important;
-    box-shadow: none !important; }
-
-  a,
-  a:visited {
-    text-decoration: underline; }
-
-  a[href]:after {
-    content: " (" attr(href) ")"; }
-
-  abbr[title]:after {
-    content: " (" attr(title) ")"; }
-
-  .ir a:after,
-  a[href^="javascript:"]:after,
-  a[href^="#"]:after {
-    content: ""; }
-
-  pre,
-  blockquote {
-    border: 1px solid #999;
-    page-break-inside: avoid; }
-
-  thead {
-    display: table-header-group; }
-
-  tr,
-  img {
-    page-break-inside: avoid; }
-
-  img {
-    max-width: 100% !important; }
-
-  @page {
-    margin: 0.5cm; }
-
-  h1 {
-    page-break-before: always; }
-
-  h1.title {
-    page-break-before: avoid; }
-
-  p,
-  h2,
-  h3 {
-    orphans: 3;
-    widows: 3; }
-
-  h2,
-  h3 {
-    page-break-after: avoid; }
-}
-
-
-p {
-  margin-top: 0.5em;
-  margin-bottom: 0.5em;
-}
-
-small {
-  font-size: 85%; }
-
-strong {
-  font-weight: 600;
-  font-size: 0.95em;
-  color: #3c3c3c;
-}
-
-em {
-  font-style: italic; }
-
-h1 {
-  font-size: 1.8em;
-  font-weight: 400;
-  padding-bottom: .25em;
-  border-bottom: 1px solid #aaa;
-  margin-top: 2.5em;
-  margin-bottom: 1em;
-  line-height: 1.2em; }
-
-h1.title {
-  padding-bottom: 1em;
-  border-bottom: 0px;
-  font-size: 2.5em;
-  text-align: center;
-  font-weight: 900;
-  margin-top: 0.75em;
-  margin-bottom: 0em;
-}
-
-h2 {
-  font-size: 1.3em;
-  margin-top: 2em; }
-
-h2.subtitle {
-  text-align: center; }
-
-h3 {
-  font-size: 1.125em;
-  font-style: italic;
-  margin-top: 1.5em; }
-
-h4 {
-  font-size: 1.125em;
-  margin-top: 1em; }
-
-h5 {
-  font-size: 1.125em;
-  margin-top: 0.75em; }
-
-h6 {
-  font-size: 1.1em; }
-
-
-ul,
-ol {
-  padding: 0;
-  margin-top: 0.5em;
-  margin-left: 0.75em; }
-
-ul ul,
-ul ol,
-ol ol,
-ol ul {
-  margin-bottom: 0;
-  margin-left: 1.25em; }
-
-li {
-    list-style-type: circle;
-}
-
-ul.simple-boot li {
-    list-style-type: none;
-    margin-left: 0em;
-    margin-bottom: 0.5em;
-}
-
-ol.simple > li, ul.simple > li {
-  margin-bottom: 0.25em;
-  margin-left: 0.4em }
-
-ul.simple.simple-toc > li {
-    margin-top: 1em;
-}
-
-ul.simple-toc {
-  list-style: none;
-  font-size: 0.9em;
-  margin-left: -0.3em;
-  margin-top: 1em; }
-
-ul.simple-toc > li {
-    list-style-type: none;
-}
-
-ul.simple-toc-section {
-  list-style-type: circle;
-  margin-left: 1em;
-  color: #6c9aae; }
-
-
-ol.arabic {
-  list-style: decimal; }
-
-ol.loweralpha {
-  list-style: lower-alpha; }
-
-ol.upperalpha {
-  list-style: upper-alpha; }
-
-ol.lowerroman {
-  list-style: lower-roman; }
-
-ol.upperroman {
-  list-style: upper-roman; }
-
-ul.auto-toc {
-  list-style-type: none; }
-
-
-dl {
-  margin-bottom: 1.5em; }
-
-dt {
-  margin-bottom: -0.5em;
-  margin-left: 0.0em; }
-
-dd {
-  margin-left: 2.0em;
-  margin-bottom: 3.0em;
-  margin-top: 0.5em; }
-
-
-hr {
-  margin: 2em 0;
-  border: 0;
-  border-top: 1px solid #aaa; }
-
-blockquote {
-  font-size: 0.9em;
-  font-style: italic;
-  padding-left: 0.5em;
-  margin-left: 0;
-  border-left: 5px solid #bbc;
-}
-
-.pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  font-weight: 500;
-  font-size: 0.85em;
-  background-color: #f0f3ff;
-  padding-left: 3px;
-  padding-right: 3px;
-  border-radius: 4px;
-}
-
-pre {
-  font-family: "Source Code Pro", Monaco, Menlo, Consolas, "Courier New", monospace;
-  color: #222;
-  font-weight: 500;
-  display: inline-block;
-  box-sizing: border-box;
-  min-width: 100%;
-  padding: 0.5em;
-  margin-top: 0.5em;
-  margin-bottom: 0.5em;
-  font-size: 0.85em;
-  white-space: pre !important;
-  overflow-y: hidden;
-  overflow-x: visible;
-  background-color: ghostwhite;
-  border: 1px solid #dde;
-  -webkit-border-radius: 6px;
-  -moz-border-radius: 6px;
-  border-radius: 6px; }
-
-.pre-scrollable {
-  max-height: 340px;
-  overflow-y: scroll; }
-
-
-/* Nim line-numbered tables */
-.line-nums-table {
-  width: 100%;
-  table-layout: fixed; }
-
-table.line-nums-table {
-  border-radius: 4px;
-  border: 1px solid #cccccc;
-  background-color: ghostwhite;
-  border-collapse: separate;
-  margin-top: 15px;
-  margin-bottom: 25px; }
-
-.line-nums-table tbody {
-  border: none; }
-
-.line-nums-table td pre {
-  border: none;
-  background-color: transparent; }
-
-.line-nums-table td.blob-line-nums {
-  width: 28px; }
-
-.line-nums-table td.blob-line-nums pre {
-  color: #b0b0b0;
-  -webkit-filter: opacity(75%);
-  text-align: right;
-  border-color: transparent;
-  background-color: transparent;
-  padding-left: 0px;
-  margin-left: 0px;
-  padding-right: 0px;
-  margin-right: 0px; }
-
-
-table {
-  max-width: 100%;
-  background-color: transparent;
-  margin-top: 0.5em;
-  margin-bottom: 1.5em;
-  border-collapse: collapse;
-  border-color: #ccc;
-  border-spacing: 0;
-  font-size: 0.9em;
-}
-
-table th, table td {
-  padding: 0px 0.5em 0px;
-}
-
-table th {
-  background-color: #e8e8e8;
-  font-weight: bold; }
-
-table th.docinfo-name {
-    background-color: transparent;
-}
-
-table tr:hover {
-  background-color: ghostwhite; }
-
-
-/* rst2html default used to remove borders from tables and images */
-.borderless, table.borderless td, table.borderless th {
-  border: 0; }
-
-table.borderless td, table.borderless th {
-  /* Override padding for "table.docutils td" with "! important".
-     The right padding separates the table cells. */
-  padding: 0 0.5em 0 0 !important; }
-
-.first {
-  /* Override more specific margin styles with "! important". */
-  margin-top: 0 !important; }
-
-.last, .with-subtitle {
-  margin-bottom: 0 !important; }
-
-.hidden {
-  display: none; }
-
-blockquote.epigraph {
-  margin: 2em 5em; }
-
-dl.docutils dd {
-  margin-bottom: 0.5em; }
-
-object[type="image/svg+xml"], object[type="application/x-shockwave-flash"] {
-  overflow: hidden; }
-
-
-div.figure {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-div.footer, div.header {
-  clear: both;
-  text-align: center;
-  color: #666;
-  font-size: smaller; }
-
-div.footer {
-    padding-top: 5em;
-}
-
-div.line-block {
-  display: block;
-  margin-top: 1em;
-  margin-bottom: 1em; }
-
-div.line-block div.line-block {
-  margin-top: 0;
-  margin-bottom: 0;
-  margin-left: 1.5em; }
-
-div.topic {
-  margin: 2em; }
-
-div.search_results {
-  background-color: antiquewhite;
-  margin: 3em;
-  padding: 1em;
-  border: 1px solid #4d4d4d;
-}
-
-div#global-links ul {
-  margin-left: 0;
-  list-style-type: none;
-}
-
-div#global-links > simple-boot {
-    margin-left: 3em;
-}
-
-hr.docutils {
-  width: 75%; }
-
-img.align-left, .figure.align-left, object.align-left {
-  clear: left;
-  float: left;
-  margin-right: 1em; }
-
-img.align-right, .figure.align-right, object.align-right {
-  clear: right;
-  float: right;
-  margin-left: 1em; }
-
-img.align-center, .figure.align-center, object.align-center {
-  display: block;
-  margin-left: auto;
-  margin-right: auto; }
-
-.align-left {
-  text-align: left; }
-
-.align-center {
-  clear: both;
-  text-align: center; }
-
-.align-right {
-  text-align: right; }
-
-/* reset inner alignment in figures */
-div.align-right {
-  text-align: inherit; }
-
-p.attribution {
-  text-align: right;
-  margin-left: 50%; }
-
-p.caption {
-  font-style: italic; }
-
-p.credits {
-  font-style: italic;
-  font-size: smaller; }
-
-p.label {
-  white-space: nowrap; }
-
-p.rubric {
-  font-weight: bold;
-  font-size: larger;
-  color: maroon;
-  text-align: center; }
-
-p.topic-title {
-  font-weight: bold; }
-
-pre.address {
-  margin-bottom: 0;
-  margin-top: 0;
-  font: inherit; }
-
-pre.literal-block, pre.doctest-block, pre.math, pre.code {
-  margin-left: 2em;
-  margin-right: 2em; }
-
-pre.code .ln {
-  color: grey; }
-
-/* line numbers */
-pre.code, code {
-  background-color: #eeeeee; }
-
-pre.code .comment, code .comment {
-  color: #5c6576; }
-
-pre.code .keyword, code .keyword {
-  color: #3B0D06;
-  font-weight: bold; }
-
-pre.code .literal.string, code .literal.string {
-  color: #0c5404; }
-
-pre.code .name.builtin, code .name.builtin {
-  color: #352b84; }
-
-pre.code .deleted, code .deleted {
-  background-color: #DEB0A1; }
-
-pre.code .inserted, code .inserted {
-  background-color: #A3D289; }
-
-span.classifier {
-  font-style: oblique; }
-
-span.classifier-delimiter {
-  font-weight: bold; }
-
-span.option {
-  white-space: nowrap; }
-
-span.problematic {
-  color: #b30000; }
-
-span.section-subtitle {
-  /* font-size relative to parent (h1..h6 element) */
-  font-size: 80%; }
-
-span.DecNumber {
-  color: #252dbe; }
-
-span.BinNumber {
-  color: #252dbe; }
-
-span.HexNumber {
-  color: #252dbe; }
-
-span.OctNumber {
-  color: #252dbe; }
-
-span.FloatNumber {
-  color: #252dbe; }
-
-span.Identifier {
-  color: #222; }
-
-span.Keyword {
-  font-weight: 600;
-  color: #5e8f60; }
-
-span.StringLit {
-  color: #a4255b; }
-
-span.LongStringLit {
-  color: #a4255b; }
-
-span.CharLit {
-  color: #a4255b; }
-
-span.EscapeSequence {
-  color: black; }
-
-span.Operator {
-  color: black; }
-
-span.Punctuation {
-  color: black; }
-
-span.Comment, span.LongComment {
-  font-style: italic;
-  font-weight: 400;
-  color: #484a86; }
-
-span.RegularExpression {
-  color: darkviolet; }
-
-span.TagStart {
-  color: darkviolet; }
-
-span.TagEnd {
-  color: darkviolet; }
-
-span.Key {
-  color: #252dbe; }
-
-span.Value {
-  color: #252dbe; }
-
-span.RawData {
-  color: #a4255b; }
-
-span.Assembler {
-  color: #252dbe; }
-
-span.Preprocessor {
-  color: #252dbe; }
-
-span.Directive {
-  color: #252dbe; }
-
-span.Command, span.Rule, span.Hyperlink, span.Label, span.Reference,
-span.Other {
-  color: black; }
-
-/* Pop type, const, proc, and iterator defs in nim def blocks */
-dt pre > span.Identifier, dt pre > span.Operator {
-  color: #155da4;
-  font-weight: 700; }
-
-dt pre > span.Keyword ~ span.Identifier, dt pre > span.Identifier ~ span.Identifier,
-dt pre > span.Operator ~ span.Identifier, dt pre > span.Other ~ span.Identifier {
-  color: inherit;
-  font-weight: inherit; }
-
-/* Nim sprite for the footer (taken from main page favicon) */
-.nim-sprite {
-  display: inline-block;
-  height: 16px;
-  width: 16px;
-  background-position: 0 0;
-  background-size: 16px 16px;
-  -webkit-filter: opacity(50%);
-  background-repeat: no-repeat;
-  background-image: url("data:image/x-icon;base64,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");
-  margin-bottom: -5px; }
-
-span.pragmadots {
-  /* Position: relative frees us up to make the dots
-  look really nice without fucking up the layout and
-  causing bulging in the parent container */
-  position: relative;
-  /* 1px down looks slightly nicer */
-  top: 1px;
-  padding: 2px;
-  background-color: #e8e8e8;
-  border-radius: 4px;
-  margin: 0 2px;
-  cursor: pointer;
-  font-size: 0.8em;
-}
-
-span.pragmadots:hover {
-  background-color: #DBDBDB;
-}
-span.pragmawrap {
-  display: none;
-}
-
-span.attachedType {
-  display: none;
-  visibility: hidden;
-}
-</style>
+<link rel="stylesheet" type="text/css" href="nimdoc.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
@@ -798,6 +33,37 @@ function main() {
       event.target.parentNode.nextElementSibling.style.display = "inline";
     }
   }
+
+  const toggleSwitch = document.querySelector('.theme-switch input[type="checkbox"]');
+  function switchTheme(e) {
+      if (e.target.checked) {
+          document.documentElement.setAttribute('data-theme', 'dark');
+          localStorage.setItem('theme', 'dark');
+      } else {
+          document.documentElement.setAttribute('data-theme', 'light');
+          localStorage.setItem('theme', 'light');
+      }
+  }
+
+  toggleSwitch.addEventListener('change', switchTheme, false);
+
+
+  if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
+    document.documentElement.setAttribute('data-theme', "dark");
+    toggleSwitch.checked = true;
+  } else if (window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches) {
+    document.documentElement.setAttribute('data-theme', "light");
+    toggleSwitch.checked = false;
+  } else {
+    const currentTheme = localStorage.getItem('theme') ? localStorage.getItem('theme') : null;
+    if (currentTheme) {
+      document.documentElement.setAttribute('data-theme', currentTheme);
+
+      if (currentTheme === 'dark') {
+        toggleSwitch.checked = true;
+      }
+    }
+  }
 }
 </script>
 
@@ -894,7 +160,7 @@ function main() {
       <div class="twelve-columns footer">
         <span class="nim-sprite"></span>
         <br/>
-        <small>Made with Nim. Generated: 1970-01-02 03:46:40 UTC</small>
+        <small style="color: var(--hint);">Made with Nim. Generated: 1970-01-02 03:46:40 UTC</small>
       </div>
     </div>
   </div>
diff --git a/tools/kochdocs.nim b/tools/kochdocs.nim
index b660a3c30e..4adfef71e0 100644
--- a/tools/kochdocs.nim
+++ b/tools/kochdocs.nim
@@ -364,11 +364,16 @@ proc buildJS() =
   exec(findNim() & " js " & (docHackDir / "dochack.nim"))
 
 proc buildDocs*(args: string) =
+  const
+    docHackJs = "dochack.js"
+    css = "nimdoc.css"
   let
     a = nimArgs & " " & args
-    docHackJs = "dochack.js"
     docHackJsSource = docHackDir / docHackJs
     docHackJsDest = docHtmlOutput / docHackJs
+
+    cssSource = "doc" / css
+    cssDest = docHtmlOutput / css
   buildJS()                     # This call generates docHackJsSource
   let docup = webUploadOutput / NimVersion
   createDir(docup)
@@ -382,3 +387,6 @@ proc buildDocs*(args: string) =
   buildDoc(nimArgs, docHtmlOutput)
   copyFile(docHackJsSource, docHackJsDest)
   copyFile(docHackJsSource, docup / docHackJs)
+
+  copyFile(cssSource, cssDest)
+  copyFile(cssSource, docup / css)