Introduce SCSS plugins: dark mode and numbered headings

18 files changed, 428 insertions, 409 deletions

diff --git a/README.md b/README.md
index 938c5e4..cefaf4c 100644
--- a/README.md
+++ b/README.md
@@ -125,45 +125,45 @@ enableGitInfo = true
 # (Optional) Theme is intended for documentation use, therefore it doesn't render taxonomy.
 # You can remove related files with config below
 disableKinds = ['taxonomy', 'taxonomyTerm']
-
+  
 [params]
-# (Optional, default 6) Set how many table of contents levels to be showed on page.
-# Use false to hide ToC, note that 0 will default to 6 (https://gohugo.io/functions/default/)
-# You can also specify this parameter per page in front matter
-BookToC = 3
-
-# (Optional, default none) Set the path to a logo for the book. If the logo is
-# /static/logo.png then the path would be 'logo.png'
-BookLogo = 'logo.png'
-
-# (Optional, default none) Set leaf bundle to render as side menu
-# When not specified file structure and weights will be used
-BookMenuBundle = '/menu'
-
-# (Optional, default docs) Specify section of content to render as menu
-# You can also set value to "*" to render all sections to menu
-BookSection = 'docs'
-
-# (Optional) This value is duplicate of $link-color for making active link highlight in menu bundle mode
-# BookMenuBundleActiveLinkColor = '\#05b'
-
-# Set source repository location.
-# Used for 'Last Modified' and 'Edit this page' links.
-BookRepo = 'https://github.com/alex-shpak/hugo-book'
-
-# Enable 'Edit this page' links for 'doc' page type.
-# Disabled by default. Uncomment to enable. Requires 'BookRepo' param.
-# Path must point to 'content' directory of repo.
-BookEditPath = 'edit/master/exampleSite/content'
-
-# (Optional, default January 2, 2006) Configure the date format used on the pages
-# - In git information
-# - In blog posts
-BookDateFormat = 'Jan 2, 2006'
-
-# (Optional, default true) Enables search function with lunr.js,
-# Index is built on fly, therefore it might slowdown your website.
-BookSearch = true
+  # (Optional, default 6) Set how many table of contents levels to be showed on page.
+  # Use false to hide ToC, note that 0 will default to 6 (https://gohugo.io/functions/default/)
+  # You can also specify this parameter per page in front matter
+  BookToC = 3
+  
+  # (Optional, default none) Set the path to a logo for the book. If the logo is
+  # /static/logo.png then the path would be 'logo.png'
+  BookLogo = 'logo.png'
+  
+  # (Optional, default none) Set leaf bundle to render as side menu
+  # When not specified file structure and weights will be used
+  BookMenuBundle = '/menu'
+  
+  # (Optional, default docs) Specify section of content to render as menu
+  # You can also set value to "*" to render all sections to menu
+  BookSection = 'docs'
+  
+  # (Optional) This value is duplicate of $link-color for making active link highlight in menu bundle mode
+  # BookMenuBundleActiveLinkColor = '\#05b'
+  
+  # Set source repository location.
+  # Used for 'Last Modified' and 'Edit this page' links.
+  BookRepo = 'https://github.com/alex-shpak/hugo-book'
+  
+  # Enable 'Edit this page' links for 'doc' page type.
+  # Disabled by default. Uncomment to enable. Requires 'BookRepo' param.
+  # Path must point to 'content' directory of repo.
+  BookEditPath = 'edit/master/exampleSite/content'
+  
+  # (Optional, default January 2, 2006) Configure the date format used on the pages
+  # - In git information
+  # - In blog posts
+  BookDateFormat = 'Jan 2, 2006'
+  
+  # (Optional, default true) Enables search function with lunr.js,
+  # Index is built on fly, therefore it might slowdown your website.
+  BookSearch = true
 ```
 
 ### Page Configuration
diff --git a/assets/_custom.scss b/assets/_custom.scss
index 181c87c..75c4833 100644
--- a/assets/_custom.scss
+++ b/assets/_custom.scss
@@ -1,2 +1 @@
-/* To be overridden by theme user */
-// @import "variables";
+/* To be overridden by theme user, scss variables are also accessible here */
diff --git a/assets/_defaults.scss b/assets/_defaults.scss
new file mode 100644
index 0000000..b11c9a9
--- /dev/null
+++ b/assets/_defaults.scss
@@ -0,0 +1,50 @@
+// Used in layout
+$padding-1: 1px !default;
+$padding-4: 0.25rem !default;
+$padding-8: 0.5rem !default;
+$padding-16: 1rem !default;
+
+$font-size-base: 16px !default;
+$font-size-12: 0.75rem !default;
+$font-size-14: 0.875rem !default;
+$font-size-16: 1rem !default;
+
+$border-radius: 0.15rem !default;
+
+// Grayscale
+$white: #ffffff !default;
+$gray-100: #f8f9fa !default;
+$gray-200: #e9ecef !default;
+$gray-300: #dee2e6 !default;
+$gray-400: #ced4da !default;
+$gray-500: #adb5bd !default;
+$gray-600: #868e96 !default;
+$gray-700: #495057 !default;
+$gray-800: #343a40 !default;
+$gray-900: #212529 !default;
+$black: #000 !default;
+
+$color-link: #05b !default;
+$color-visited-link: #8440f1 !default;
+$color-dark-link: $gray-800 !default;
+
+$body-background: white !default;
+$body-font-color: $gray-800 !default;
+$body-font-weight: normal !default;
+
+$body-min-width: 20rem !default;
+$container-max-width: 80rem !default;
+
+$header-height: 3.5rem !default;
+$menu-width: 16rem !default;
+$toc-width: 16rem !default;
+
+$md-breakpoint: $menu-width + $body-min-width * 1.25 + $toc-width !default;
+$sm-breakpoint: $menu-width + $body-min-width !default;
+
+// Panel colors
+$hint-colors: (
+  info: #6bf,
+  warning: #fd6,
+  danger: #f66
+) !default;
diff --git a/assets/_main.scss b/assets/_main.scss
new file mode 100644
index 0000000..7fb47c4
--- /dev/null
+++ b/assets/_main.scss
@@ -0,0 +1,288 @@
+html {
+  font-size: $font-size-base;
+  letter-spacing: 0.33px;
+  scroll-behavior: smooth;
+}
+
+html,
+body {
+  min-width: $body-min-width;
+  overflow-x: hidden;
+}
+
+body {
+  color: $body-font-color;
+  background: $body-background;
+
+  font-weight: $body-font-weight;
+
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+
+  box-sizing: border-box;
+  * {
+    box-sizing: inherit;
+  }
+}
+
+h1,
+h2,
+h3,
+h4,
+h5 {
+  font-weight: $body-font-weight;
+}
+
+a {
+  text-decoration: none;
+  color: $color-link;
+
+  &:visited {
+    color: $color-visited-link;
+  }
+}
+
+img {
+  vertical-align: baseline;
+}
+
+aside nav ul {
+  padding: 0;
+  margin: 0;
+  list-style: none;
+
+  li {
+    margin: 1em 0;
+  }
+
+  a {
+    display: block;
+  }
+
+  a:hover {
+    opacity: 0.5;
+  }
+
+  ul {
+    padding-left: $padding-16;
+  }
+}
+
+ul.pagination {
+  display: flex;
+  justify-content: center;
+  list-style-type: none;
+
+  .page-item a {
+    padding: $padding-16;
+  }
+}
+
+.container {
+  max-width: $container-max-width;
+  margin: 0 auto;
+}
+
+.book-brand {
+  margin-top: 0;
+
+  img {
+    height: 1.5em;
+    width: auto;
+    vertical-align: middle;
+    margin-right: $padding-8;
+  }
+}
+
+.book-menu {
+  flex: 0 0 $menu-width;
+  font-size: $font-size-14;
+
+  nav {
+    width: $menu-width;
+    padding: $padding-16;
+
+    @include fixed;
+  }
+
+  @include dark-links;
+}
+
+.book-section-flat {
+  margin-bottom: $padding-16 * 2;
+
+  &:not(:first-child) {
+    margin-top: $padding-16 * 2;
+  }
+
+  > a,
+  > span {
+    font-weight: bolder;
+  }
+
+  > ul {
+    padding-left: 0;
+  }
+}
+
+.book-page {
+  min-width: $body-min-width;
+  flex-grow: 1;
+  padding: $padding-16;
+}
+
+.book-header {
+  margin-bottom: $padding-16;
+  display: none;
+}
+
+.book-search {
+  position: relative;
+  margin: $padding-16 0;
+  border-bottom: 1px solid transparent;
+
+  &::after {
+    display: block;
+    content: "";
+    clear: both;
+  }
+
+  input {
+    width: 100%;
+    padding: $padding-8;
+
+    border: 0;
+    border-radius: $padding-4;
+
+    background: $gray-100;
+
+    &:required + .book-search-spinner {
+      display: block;
+    }
+  }
+
+  .book-search-spinner {
+    position: absolute;
+    margin: $padding-8;
+    right: 0;
+    top: 0;
+
+    width: $padding-16;
+    height: $padding-16;
+
+    border: $padding-1 solid transparent;
+    border-top-color: $body-font-color;
+    border-radius: 50%;
+
+    @include spin(1s);
+  }
+}
+
+.book-toc {
+  flex: 0 0 $toc-width;
+  font-size: $font-size-12;
+
+  nav {
+    width: $toc-width;
+    padding: $padding-16;
+
+    @include fixed;
+  }
+
+  img {
+    height: 1em;
+  }
+
+  nav > ul > li:first-child {
+    margin-top: 0;
+  }
+
+  // Classes to hide nested levels of ToC (can be replaced by @for, but it's more clear like this)
+  &.level-1 ul ul,
+  &.level-2 ul ul ul,
+  &.level-3 ul ul ul ul,
+  &.level-4 ul ul ul ul ul,
+  &.level-5 ul ul ul ul ul ul,
+  &.level-6 ul ul ul ul ul ul ul {
+    display: none;
+  }
+}
+
+.book-footer {
+  display: flex;
+  padding-top: $padding-16;
+  font-size: $font-size-14;
+
+  img {
+    height: 1em;
+  }
+}
+
+.book-posts {
+  min-width: $body-min-width;
+  max-width: $body-min-width * 2;
+  flex-grow: 1;
+  padding: $padding-16;
+
+  article {
+    padding-bottom: $padding-16;
+  }
+}
+
+.book-home {
+  padding: $padding-16;
+}
+
+// Responsive styles
+aside nav,
+.book-page,
+.book-posts,
+.markdown {
+  transition: 0.2s ease-in-out;
+  transition-property: transform, margin-left, opacity;
+  will-change: transform, margin-left;
+}
+
+@media screen and (max-width: $md-breakpoint) {
+  .book-toc {
+    display: none;
+  }
+}
+
+@media screen and (max-width: $sm-breakpoint) {
+  .book-menu {
+    margin-left: -$menu-width;
+    font-size: $font-size-base;
+  }
+
+  .book-header {
+    display: flex;
+  }
+
+  #menu-control:checked + main {
+    .book-menu nav,
+    .book-page,
+    .book-posts {
+      transform: translateX($menu-width);
+    }
+
+    .book-header label {
+      transform: rotate(90deg);
+    }
+
+    .markdown {
+      opacity: 0.25;
+    }
+  }
+}
+
+// Extra space for big screens
+@media screen and (min-width: $container-max-width) {
+  .book-page,
+  .book-posts,
+  .book-menu nav,
+  .book-toc nav {
+    padding: $padding-16 * 2 $padding-16;
+  }
+}
diff --git a/assets/_shortcodes.scss b/assets/_shortcodes.scss
index bc0916c..451f8b8 100644
--- a/assets/_shortcodes.scss
+++ b/assets/_shortcodes.scss
@@ -1,5 +1,3 @@
-@import "variables";
-
 .markdown-inner {
   // Util class to remove extra margin in nested markdown content
   > :first-child {
diff --git a/assets/_variables.scss b/assets/_variables.scss
index 6eb8e4c..5cbcc8c 100644
--- a/assets/_variables.scss
+++ b/assets/_variables.scss
@@ -1,50 +1 @@
-// Used in layout
-$padding-1: 1px !default;
-$padding-4: 0.25rem !default;
-$padding-8: 0.5rem !default;
-$padding-16: 1rem !default;
-
-$font-size-base: 16px !default;
-$font-size-12: 0.75rem !default;
-$font-size-14: 0.875rem !default;
-$font-size-16: 1rem !default;
-
-$border-radius: 0.15rem !default;
-
-// Grayscale
-$white: #ffffff !default;
-$gray-100: #f8f9fa !default;
-$gray-200: #e9ecef !default;
-$gray-300: #dee2e6 !default;
-$gray-400: #ced4da !default;
-$gray-500: #adb5bd !default;
-$gray-600: #868e96 !default;
-$gray-700: #495057 !default;
-$gray-800: #343a40 !default;
-$gray-900: #212529 !default;
-$black: #000 !default;
-
-$color-link: #05b !default;
-$color-visited-link: #8440f1 !default;
-$color-dark-link: $gray-800 !default;
-
-$body-background: white !default;
-$body-font-color: $gray-800 !default;
-$body-font-weight: normal !default;
-
-$body-min-width: 20rem !default;
-$container-max-width: 80rem !default;
-
-$header-height: 3.5rem !default;
-$menu-width: 16rem !default;
-$toc-width: 16rem !default;
-
-$md-breakpoint: $menu-width + $body-min-width * 1.25 + $toc-width !default;
-$sm-breakpoint: $menu-width + $body-min-width !default;
-
-// Panel colors
-$hint-colors: (
-  info: #6bf,
-  warning: #fd6,
-  danger: #f66
-);
+/* To be overridden by theme user, e.g. set SASS vars*/
diff --git a/assets/book.scss b/assets/book.scss
index 2a7379f..529c908 100644
--- a/assets/book.scss
+++ b/assets/book.scss
@@ -1,301 +1,13 @@
-@import "normalize";
+@import "defaults";
 @import "variables";
+
+@import "normalize";
 @import "utils";
+@import "main";
+@import "fonts";
+
 @import "markdown";
 @import "shortcodes";
 
-html {
-  font-size: $font-size-base;
-  letter-spacing: 0.33px;
-  scroll-behavior: smooth;
-}
-
-html,
-body {
-  min-width: $body-min-width;
-  overflow-x: hidden;
-}
-
-body {
-  color: $body-font-color;
-  background: $body-background;
-
-  font-family: sans-serif;
-  font-weight: $body-font-weight;
-
-  text-rendering: optimizeLegibility;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
-
-  box-sizing: border-box;
-  * {
-    box-sizing: inherit;
-  }
-}
-
-h1,
-h2,
-h3,
-h4,
-h5 {
-  font-weight: $body-font-weight;
-}
-
-a {
-  text-decoration: none;
-  color: $color-link;
-
-  &:visited {
-    color: $color-visited-link;
-  }
-}
-
-img {
-  vertical-align: baseline;
-}
-
-aside nav ul {
-  padding: 0;
-  margin: 0;
-  list-style: none;
-
-  li {
-    margin: 1em 0;
-  }
-
-  a {
-    display: block;
-  }
-
-  a:hover {
-    opacity: 0.5;
-  }
-
-  ul {
-    padding-left: $padding-16;
-  }
-}
-
-ul.pagination {
-  display: flex;
-  justify-content: center;
-  list-style-type: none;
-
-  .page-item a {
-    padding: $padding-16;
-  }
-}
-
-.container {
-  max-width: $container-max-width;
-  margin: 0 auto;
-}
-
-.book-brand {
-  margin-top: 0;
-
-  img {
-    height: 1.5em;
-    width: auto;
-    vertical-align: middle;
-    margin-right: $padding-8;
-  }
-}
-
-.book-menu {
-  flex: 0 0 $menu-width;
-  font-size: $font-size-14;
-
-  nav {
-    width: $menu-width;
-    padding: $padding-16;
-
-    @include fixed;
-  }
-
-  @include dark-links;
-}
-
-.book-section-flat {
-  margin-bottom: $padding-16 * 2;
-
-  &:not(:first-child) {
-    margin-top: $padding-16 * 2;
-  }
-
-  > a,
-  > span {
-    font-weight: bolder;
-  }
-
-  > ul {
-    padding-left: 0;
-  }
-}
-
-.book-page {
-  min-width: $body-min-width;
-  flex-grow: 1;
-  padding: $padding-16;
-}
-
-.book-header {
-  margin-bottom: $padding-16;
-  display: none;
-}
-
-.book-search {
-  position: relative;
-  margin: $padding-16 0;
-  border-bottom: 1px solid transparent;
-
-  &::after {
-    display: block;
-    content: "";
-    clear: both;
-  }
-
-  input {
-    width: 100%;
-    padding: $padding-8;
-
-    border: 0;
-    border-radius: $padding-4;
-
-    background: $gray-100;
-
-    &:required + .book-search-spinner {
-      display: block;
-    }
-  }
-
-  .book-search-spinner {
-    position: absolute;
-    margin: $padding-8;
-    right: 0;
-    top: 0;
-
-    width: $padding-16;
-    height: $padding-16;
-
-    border: $padding-1 solid transparent;
-    border-top-color: $body-font-color;
-    border-radius: 50%;
-
-    @include spin(1s);
-  }
-}
-
-.book-toc {
-  flex: 0 0 $toc-width;
-  font-size: $font-size-12;
-
-  nav {
-    width: $toc-width;
-    padding: $padding-16;
-
-    @include fixed;
-  }
-
-  img {
-    height: 1em;
-  }
-
-  nav > ul > li:first-child {
-    margin-top: 0;
-  }
-
-  // Classes to hide nested levels of ToC (can be replaced by @for, but it's more clear like this)
-  &.level-1 ul ul,
-  &.level-2 ul ul ul,
-  &.level-3 ul ul ul ul,
-  &.level-4 ul ul ul ul ul,
-  &.level-5 ul ul ul ul ul ul,
-  &.level-6 ul ul ul ul ul ul ul {
-    display: none;
-  }
-}
-
-.book-footer {
-  display: flex;
-  padding-top: $padding-16;
-  font-size: $font-size-14;
-
-  img {
-    height: 1em;
-  }
-}
-
-.book-posts {
-  min-width: $body-min-width;
-  max-width: $body-min-width * 2;
-  flex-grow: 1;
-  padding: $padding-16;
-
-  article {
-    padding-bottom: $padding-16;
-  }
-}
-
-.book-home {
-  padding: $padding-16;
-}
-
-// Responsive styles
-aside nav,
-.book-page,
-.book-posts,
-.markdown {
-  transition: 0.2s ease-in-out;
-  transition-property: transform, margin-left, opacity;
-  will-change: transform, margin-left;
-}
-
-@media screen and (max-width: $md-breakpoint) {
-  .book-toc {
-    display: none;
-  }
-}
-
-@media screen and (max-width: $sm-breakpoint) {
-  .book-menu {
-    margin-left: -$menu-width;
-    font-size: $font-size-base;
-  }
-
-  .book-header {
-    display: flex;
-  }
-
-  #menu-control:checked + main {
-    .book-menu nav,
-    .book-page,
-    .book-posts {
-      transform: translateX($menu-width);
-    }
-
-    .book-header label {
-      transform: rotate(90deg);
-    }
-
-    .markdown {
-      opacity: 0.25;
-    }
-  }
-}
-
-// Extra space for big screens
-@media screen and (min-width: $container-max-width) {
-  .book-page,
-  .book-posts,
-  .book-menu nav,
-  .book-toc nav {
-    padding: $padding-16 * 2 $padding-16;
-  }
-}
-
-// Add fonts
-@import "fonts";
-
-// Add custom defined styles
+// Custom defined styles
 @import "custom";
diff --git a/assets/plugins/_dark.scss b/assets/plugins/_dark.scss
new file mode 100644
index 0000000..c4df68b
--- /dev/null
+++ b/assets/plugins/_dark.scss
@@ -0,0 +1,9 @@
+$gray-100: rgba(255, 255, 255, 0.1);
+$gray-200: rgba(255, 255, 255, 0.2);
+
+$body-background: #343a40;
+$body-font-color: #e9ecef;
+
+$color-link: #84b2ff;
+$color-visited-link: #b88dff;
+$color-dark-link: $body-font-color;
diff --git a/assets/plugins/_numbered.scss b/assets/plugins/_numbered.scss
new file mode 100644
index 0000000..a1e89d8
--- /dev/null
+++ b/assets/plugins/_numbered.scss
@@ -0,0 +1,23 @@
+.book-page {
+  .markdown {
+    @for $h from 1 through 6 {
+      > h#{$h} {
+        counter-increment: h#{$h};
+        counter-reset: h#{$h + 1};
+
+        $content: "";
+        @for $n from 1 through $h {
+          $content: $content + 'counter(h#{$n})"."';
+        }
+
+        &::before {
+          content: unquote($content) " ";
+        }
+      }
+    }
+  }
+
+  + .book-toc nav ul {
+    list-style: decimal;
+  }
+}
diff --git a/exampleSite/assets/_custom.scss b/exampleSite/assets/_custom.scss
index cdb82f7..38b16a2 100644
--- a/exampleSite/assets/_custom.scss
+++ b/exampleSite/assets/_custom.scss
@@ -1,2 +1,3 @@
-@import "variables";
 // You can add custom styles here.
+
+// @import "plugins/numbered";
diff --git a/exampleSite/assets/_variables.scss b/exampleSite/assets/_variables.scss
index ec7bff2..431dabc 100644
--- a/exampleSite/assets/_variables.scss
+++ b/exampleSite/assets/_variables.scss
@@ -1,13 +1,3 @@
-// You can override SASS variables here. Below example of simple dark theme.
+/* You can override SASS variables here. Below example of simple dark theme. */
 
-/*
-$gray-100: rgba(255, 255, 255, 0.1);
-$gray-200: rgba(255, 255, 255, 0.2);
-
-$body-background: #343a40;
-$body-font-color: #e9ecef;
-
-$color-link: #84b2ff;
-$color-visited-link: #b88dff;
-$color-dark-link: $body-font-color;
-*/
+// @import "plugins/dark";
diff --git a/exampleSite/content/docs/more-examples/advanced.md b/exampleSite/content/docs/more-examples/advanced.md
index 595b1d6..ca3dcf1 100644
--- a/exampleSite/content/docs/more-examples/advanced.md
+++ b/exampleSite/content/docs/more-examples/advanced.md
@@ -49,4 +49,4 @@ nec, nate, ignari, vernum cohaesit sequitur. Vel **mitis temploque** vocatus,
 inque alis, *oculos nomen* non silvis corpore coniunx ne displicet illa.
 Crescunt non unus, vidit visa quantum inmiti flumina mortis facto sic: undique a
 alios vincula sunt iactata abdita! Suspenderat ego fuit tendit: luna, ante urbem
-Propoetides **parte**.
\ No newline at end of file
+Propoetides **parte**.
diff --git a/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.content b/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.content
deleted file mode 100644
index 1b5ddd0..0000000
--- a/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.content
+++ /dev/null
@@ -1 +0,0 @@
-/*!normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css*/html{line-height:1.15;-webkit-text-size-adjust:100%}body{margin:0}main{display:block}h1{font-size:2em;margin:.67em 0}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}fieldset{padding:.35em .75em .625em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details{display:block}summary{display:list-item}template{display:none}[hidden]{display:none}.flex{display:flex}.flex-auto{flex:1 1 auto}.flex-even{flex:1 1}.flex-wrap{flex-wrap:wrap}.justify-start{justify-content:flex-start}.justify-end{justify-content:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.align-center{align-items:center}.mx-auto{margin:0 auto}.text-center{text-align:center}.hidden{display:none}.markdown{line-height:1.6}.markdown h1,.markdown h2,.markdown h3,.markdown h4,.markdown h5{font-weight:400;line-height:1;margin-top:1.5em;margin-bottom:1rem}.markdown>:first-child{margin-top:0}.markdown b,.markdown optgroup,.markdown strong{font-weight:bolder}.markdown a{text-decoration:none}.markdown a:hover{text-decoration:underline}.markdown img{max-width:100%}.markdown code{padding:0 .25rem;background:#e9ecef;border-radius:.15rem;font-size:.875em}.markdown pre{padding:1rem;background:#f8f9fa;border-radius:.15rem;overflow-x:auto}.markdown pre code{padding:0;background:0 0}.markdown blockquote{margin:1rem 0;padding:.5rem 1rem .5rem .75rem;border-left:.25rem solid #e9ecef;border-radius:.15rem}.markdown blockquote :first-child{margin-top:0}.markdown blockquote :last-child{margin-bottom:0}.markdown table{overflow:auto;display:block;border-spacing:0;border-collapse:collapse;margin-top:1rem;margin-bottom:1rem}.markdown table tr th,.markdown table tr td{padding:.5rem 1rem;line-height:1;border:1px solid #e9ecef}.markdown table tr:nth-child(2n){background:#f8f9fa}.markdown hr{height:1px;border:none;background:#e9ecef}.markdown ul,.markdown ol{padding-left:2rem}.markdown dl dt{font-weight:bolder;margin-top:1rem}.markdown dl dd{margin-left:2rem}.markdown-inner>:first-child{margin-top:0}.markdown-inner>:last-child{margin-bottom:0}.book-expand{margin-top:1rem;margin-bottom:1rem;border:1px solid #e9ecef;border-radius:.15rem;overflow:hidden}.book-expand .book-expand-head{background:#f8f9fa;padding:.5rem 1rem;cursor:pointer}.book-expand .book-expand-content{display:none;padding:1rem}.book-expand input[type=checkbox]:checked+.book-expand-content{display:block}.book-tabs{margin-top:1rem;margin-bottom:1rem;border:1px solid #e9ecef;border-radius:.15rem;overflow:hidden;display:flex;flex-wrap:wrap}.book-tabs label{display:inline-block;padding:.5rem 1rem;border-bottom:1px transparent;cursor:pointer}.book-tabs .book-tabs-content{order:999;width:100%;border-top:1px solid #f8f9fa;padding:1rem;display:none}.book-tabs input[type=radio]:checked+label{border-bottom:1px solid #05b}.book-tabs input[type=radio]:checked+label+.book-tabs-content{display:block}.book-columns{margin-left:-1rem;margin-right:-1rem}.book-columns>div{margin:1rem 0;min-width:13.2rem;padding:0 1rem}a.book-btn{display:inline-block;color:#05b!important;text-decoration:none!important;border:1px solid #05b;border-radius:.15rem;padding:.25rem 1rem;margin-top:.5rem;margin-bottom:.5rem;cursor:pointer}.book-hint.info{border-left-color:#6bf;background-color:rgba(102,187,255,.1)}.book-hint.warning{border-left-color:#fd6;background-color:rgba(255,221,102,.1)}.book-hint.danger{border-left-color:#f66;background-color:rgba(255,102,102,.1)}html{font-size:16px;letter-spacing:.33px;scroll-behavior:smooth}html,body{min-width:20rem;overflow-x:hidden}body{color:#343a40;background:#fff;font-family:sans-serif;font-weight:400;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;box-sizing:border-box}body *{box-sizing:inherit}h1,h2,h3,h4,h5{font-weight:400}a{text-decoration:none;color:#05b}a:visited{color:#8440f1}img{vertical-align:baseline}aside nav ul{padding:0;margin:0;list-style:none}aside nav ul li{margin:1em 0}aside nav ul a{display:block}aside nav ul a:hover{opacity:.5}aside nav ul ul{padding-left:1rem}ul.pagination{display:flex;justify-content:center;list-style-type:none}ul.pagination .page-item a{padding:1rem}.container{max-width:80rem;margin:0 auto}.book-brand{margin-top:0}.book-brand img{height:1.5em;width:auto;vertical-align:middle;margin-right:.5rem}.book-menu{flex:0 0 16rem;font-size:.875rem}.book-menu nav{width:16rem;padding:1rem;position:fixed;top:0;bottom:0;overflow-x:hidden;overflow-y:auto}.book-menu a{color:#343a40}.book-menu a.active{color:#05b}.book-section-flat{margin-bottom:2rem}.book-section-flat:not(:first-child){margin-top:2rem}.book-section-flat>a,.book-section-flat>span{font-weight:bolder}.book-section-flat>ul{padding-left:0}.book-page{min-width:20rem;flex-grow:1;padding:1rem}.book-header{margin-bottom:1rem;display:none}.book-search{position:relative;margin:1rem 0;border-bottom:1px solid transparent}.book-search::after{display:block;content:"";clear:both}.book-search input{width:100%;padding:.5rem;border:0;border-radius:.25rem;background:#f8f9fa}.book-search input:required+.book-search-spinner{display:block}.book-search .book-search-spinner{position:absolute;margin:.5rem;right:0;top:0;width:1rem;height:1rem;border:1px solid transparent;border-top-color:#343a40;border-radius:50%;animation:spin 1s ease infinite}@keyframes spin{100%{transform:rotate(360deg)}}.book-toc{flex:0 0 16rem;font-size:.75rem}.book-toc nav{width:16rem;padding:1rem;position:fixed;top:0;bottom:0;overflow-x:hidden;overflow-y:auto}.book-toc img{height:1em}.book-toc nav>ul>li:first-child{margin-top:0}.book-toc.level-1 ul ul,.book-toc.level-2 ul ul ul,.book-toc.level-3 ul ul ul ul,.book-toc.level-4 ul ul ul ul ul,.book-toc.level-5 ul ul ul ul ul ul,.book-toc.level-6 ul ul ul ul ul ul ul{display:none}.book-footer{display:flex;padding-top:1rem;font-size:.875rem}.book-footer img{height:1em}.book-posts{min-width:20rem;max-width:40rem;flex-grow:1;padding:1rem}.book-posts article{padding-bottom:1rem}.book-home{padding:1rem}aside nav,.book-page,.book-posts,.markdown{transition:.2s ease-in-out;transition-property:transform,margin-left,opacity;will-change:transform,margin-left}@media screen and (max-width:57rem){.book-toc{display:none}}@media screen and (max-width:36rem){.book-menu{margin-left:-16rem;font-size:16px}.book-header{display:flex}#menu-control:checked+main .book-menu nav,#menu-control:checked+main .book-page,#menu-control:checked+main .book-posts{transform:translateX(16rem)}#menu-control:checked+main .book-header label{transform:rotate(90deg)}#menu-control:checked+main .markdown{opacity:.25}}@media screen and (min-width:80rem){.book-page,.book-posts,.book-menu nav,.book-toc nav{padding:2rem 1rem}}@font-face{font-family:roboto;font-style:italic;font-weight:300;src:local("Roboto Light Italic"),local(Roboto-LightItalic),url(fonts/roboto-v19-latin-300italic.woff2) format("woff2"),url(fonts/roboto-v19-latin-300italic.woff) format("woff")}@font-face{font-family:roboto;font-style:normal;font-weight:400;src:local(Roboto),local(Roboto-Regular),url(fonts/roboto-v19-latin-regular.woff2) format("woff2"),url(fonts/roboto-v19-latin-regular.woff) format("woff")}@font-face{font-family:roboto;font-style:normal;font-weight:700;src:local("Roboto Bold"),local(Roboto-Bold),url(fonts/roboto-v19-latin-700.woff2) format("woff2"),url(fonts/roboto-v19-latin-700.woff) format("woff")}@font-face{font-family:roboto mono;font-style:normal;font-weight:400;src:local("Roboto Mono"),local(RobotoMono-Regular),url(fonts/roboto-mono-v6-latin-regular.woff2) format("woff2"),url(fonts/roboto-mono-v6-latin-regular.woff) format("woff")}body{font-family:roboto,sans-serif}code{font-family:roboto mono,monospace}
\ No newline at end of file
diff --git a/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.json b/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.json
deleted file mode 100644
index 858f5e7..0000000
--- a/exampleSite/resources/_gen/assets/scss/book.scss_48b060fe05b0a273d182ef83c0605941.json
+++ /dev/null
@@ -1 +0,0 @@
-{"Target":"book.min.e2750c58bf0545d36d2426996f9d6108a275d000f33e7552d83ea28bdcd34ab7.css","MediaType":"text/css","Data":{"Integrity":"sha256-4nUMWL8FRdNtJCaZb51hCKJ10ADzPnVS2D6ii9zTSrc="}}
\ No newline at end of file
diff --git a/exampleSite/resources/_gen/assets/scss/theme/hugo-book/book.scss_50fc8c04e12a2f59027287995557ceff.content b/exampleSite/resources/_gen/assets/scss/theme/hugo-book/book.scss_50fc8c04e12a2f59027287995557ceff.content
new file mode 100644
index 0000000..815ce83
--- /dev/null
+++ b/exampleSite/resources/_gen/assets/scss/theme/hugo-book/book.scss_50fc8c04e12a2f59027287995557ceff.content
@@ -0,0 +1 @@
+/*!normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css*/html{line-height:1.15;-webkit-text-size-adjust:100%}body{margin:0}main{display:block}h1{font-size:2em;margin:.67em 0}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace,monospace;font-size:1em}a{background-color:transparent}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace,monospace;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}button,input,optgroup,select,textarea{font-family:inherit;font-size:100%;line-height:1.15;margin:0}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring{outline:1px dotted ButtonText}fieldset{padding:.35em .75em .625em}legend{box-sizing:border-box;color:inherit;display:table;max-width:100%;padding:0;white-space:normal}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details{display:block}summary{display:list-item}template{display:none}[hidden]{display:none}.flex{display:flex}.flex-auto{flex:1 1 auto}.flex-even{flex:1 1}.flex-wrap{flex-wrap:wrap}.justify-start{justify-content:flex-start}.justify-end{justify-content:flex-end}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.align-center{align-items:center}.mx-auto{margin:0 auto}.text-center{text-align:center}.hidden{display:none}html{font-size:16px;letter-spacing:.33px;scroll-behavior:smooth}html,body{min-width:20rem;overflow-x:hidden}body{color:#343a40;background:#fff;font-weight:400;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;box-sizing:border-box}body *{box-sizing:inherit}h1,h2,h3,h4,h5{font-weight:400}a{text-decoration:none;color:#05b}a:visited{color:#8440f1}img{vertical-align:baseline}aside nav ul{padding:0;margin:0;list-style:none}aside nav ul li{margin:1em 0}aside nav ul a{display:block}aside nav ul a:hover{opacity:.5}aside nav ul ul{padding-left:1rem}ul.pagination{display:flex;justify-content:center;list-style-type:none}ul.pagination .page-item a{padding:1rem}.container{max-width:80rem;margin:0 auto}.book-brand{margin-top:0}.book-brand img{height:1.5em;width:auto;vertical-align:middle;margin-right:.5rem}.book-menu{flex:0 0 16rem;font-size:.875rem}.book-menu nav{width:16rem;padding:1rem;position:fixed;top:0;bottom:0;overflow-x:hidden;overflow-y:auto}.book-menu a{color:#343a40}.book-menu a.active{color:#05b}.book-section-flat{margin-bottom:2rem}.book-section-flat:not(:first-child){margin-top:2rem}.book-section-flat>a,.book-section-flat>span{font-weight:bolder}.book-section-flat>ul{padding-left:0}.book-page{min-width:20rem;flex-grow:1;padding:1rem}.book-header{margin-bottom:1rem;display:none}.book-search{position:relative;margin:1rem 0;border-bottom:1px solid transparent}.book-search::after{display:block;content:"";clear:both}.book-search input{width:100%;padding:.5rem;border:0;border-radius:.25rem;background:#f8f9fa}.book-search input:required+.book-search-spinner{display:block}.book-search .book-search-spinner{position:absolute;margin:.5rem;right:0;top:0;width:1rem;height:1rem;border:1px solid transparent;border-top-color:#343a40;border-radius:50%;animation:spin 1s ease infinite}@keyframes spin{100%{transform:rotate(360deg)}}.book-toc{flex:0 0 16rem;font-size:.75rem}.book-toc nav{width:16rem;padding:1rem;position:fixed;top:0;bottom:0;overflow-x:hidden;overflow-y:auto}.book-toc img{height:1em}.book-toc nav>ul>li:first-child{margin-top:0}.book-toc.level-1 ul ul,.book-toc.level-2 ul ul ul,.book-toc.level-3 ul ul ul ul,.book-toc.level-4 ul ul ul ul ul,.book-toc.level-5 ul ul ul ul ul ul,.book-toc.level-6 ul ul ul ul ul ul ul{display:none}.book-footer{display:flex;padding-top:1rem;font-size:.875rem}.book-footer img{height:1em}.book-posts{min-width:20rem;max-width:40rem;flex-grow:1;padding:1rem}.book-posts article{padding-bottom:1rem}.book-home{padding:1rem}aside nav,.book-page,.book-posts,.markdown{transition:.2s ease-in-out;transition-property:transform,margin-left,opacity;will-change:transform,margin-left}@media screen and (max-width:57rem){.book-toc{display:none}}@media screen and (max-width:36rem){.book-menu{margin-left:-16rem;font-size:16px}.book-header{display:flex}#menu-control:checked+main .book-menu nav,#menu-control:checked+main .book-page,#menu-control:checked+main .book-posts{transform:translateX(16rem)}#menu-control:checked+main .book-header label{transform:rotate(90deg)}#menu-control:checked+main .markdown{opacity:.25}}@media screen and (min-width:80rem){.book-page,.book-posts,.book-menu nav,.book-toc nav{padding:2rem 1rem}}@font-face{font-family:roboto;font-style:italic;font-weight:300;src:local("Roboto Light Italic"),local(Roboto-LightItalic),url(fonts/roboto-v19-latin-300italic.woff2) format("woff2"),url(fonts/roboto-v19-latin-300italic.woff) format("woff")}@font-face{font-family:roboto;font-style:normal;font-weight:400;src:local(Roboto),local(Roboto-Regular),url(fonts/roboto-v19-latin-regular.woff2) format("woff2"),url(fonts/roboto-v19-latin-regular.woff) format("woff")}@font-face{font-family:roboto;font-style:normal;font-weight:700;src:local("Roboto Bold"),local(Roboto-Bold),url(fonts/roboto-v19-latin-700.woff2) format("woff2"),url(fonts/roboto-v19-latin-700.woff) format("woff")}@font-face{font-family:roboto mono;font-style:normal;font-weight:400;src:local("Roboto Mono"),local(RobotoMono-Regular),url(fonts/roboto-mono-v6-latin-regular.woff2) format("woff2"),url(fonts/roboto-mono-v6-latin-regular.woff) format("woff")}body{font-family:roboto,sans-serif}code{font-family:roboto mono,monospace}.markdown{line-height:1.6}.markdown h1,.markdown h2,.markdown h3,.markdown h4,.markdown h5{font-weight:400;line-height:1;margin-top:1.5em;margin-bottom:1rem}.markdown>:first-child{margin-top:0}.markdown b,.markdown optgroup,.markdown strong{font-weight:bolder}.markdown a{text-decoration:none}.markdown a:hover{text-decoration:underline}.markdown img{max-width:100%}.markdown code{padding:0 .25rem;background:#e9ecef;border-radius:.15rem;font-size:.875em}.markdown pre{padding:1rem;background:#f8f9fa;border-radius:.15rem;overflow-x:auto}.markdown pre code{padding:0;background:0 0}.markdown blockquote{margin:1rem 0;padding:.5rem 1rem .5rem .75rem;border-left:.25rem solid #e9ecef;border-radius:.15rem}.markdown blockquote :first-child{margin-top:0}.markdown blockquote :last-child{margin-bottom:0}.markdown table{overflow:auto;display:block;border-spacing:0;border-collapse:collapse;margin-top:1rem;margin-bottom:1rem}.markdown table tr th,.markdown table tr td{padding:.5rem 1rem;line-height:1;border:1px solid #e9ecef}.markdown table tr:nth-child(2n){background:#f8f9fa}.markdown hr{height:1px;border:none;background:#e9ecef}.markdown ul,.markdown ol{padding-left:2rem}.markdown dl dt{font-weight:bolder;margin-top:1rem}.markdown dl dd{margin-left:2rem}.markdown-inner>:first-child{margin-top:0}.markdown-inner>:last-child{margin-bottom:0}.book-expand{margin-top:1rem;margin-bottom:1rem;border:1px solid #e9ecef;border-radius:.15rem;overflow:hidden}.book-expand .book-expand-head{background:#f8f9fa;padding:.5rem 1rem;cursor:pointer}.book-expand .book-expand-content{display:none;padding:1rem}.book-expand input[type=checkbox]:checked+.book-expand-content{display:block}.book-tabs{margin-top:1rem;margin-bottom:1rem;border:1px solid #e9ecef;border-radius:.15rem;overflow:hidden;display:flex;flex-wrap:wrap}.book-tabs label{display:inline-block;padding:.5rem 1rem;border-bottom:1px transparent;cursor:pointer}.book-tabs .book-tabs-content{order:999;width:100%;border-top:1px solid #f8f9fa;padding:1rem;display:none}.book-tabs input[type=radio]:checked+label{border-bottom:1px solid #05b}.book-tabs input[type=radio]:checked+label+.book-tabs-content{display:block}.book-columns{margin-left:-1rem;margin-right:-1rem}.book-columns>div{margin:1rem 0;min-width:13.2rem;padding:0 1rem}a.book-btn{display:inline-block;color:#05b!important;text-decoration:none!important;border:1px solid #05b;border-radius:.15rem;padding:.25rem 1rem;margin-top:.5rem;margin-bottom:.5rem;cursor:pointer}.book-hint.info{border-left-color:#6bf;background-color:rgba(102,187,255,.1)}.book-hint.warning{border-left-color:#fd6;background-color:rgba(255,221,102,.1)}.book-hint.danger{border-left-color:#f66;background-color:rgba(255,102,102,.1)}
\ No newline at end of file
diff --git a/exampleSite/resources/_gen/assets/scss/theme/hugo-book/book.scss_50fc8c04e12a2f59027287995557ceff.json b/exampleSite/resources/_gen/assets/scss/theme/hugo-book/book.scss_50fc8c04e12a2f59027287995557ceff.json
new file mode 100644
index 0000000..cd992f9
--- /dev/null
+++ b/exampleSite/resources/_gen/assets/scss/theme/hugo-book/book.scss_50fc8c04e12a2f59027287995557ceff.json
@@ -0,0 +1 @@
+{"Target":"book.min.4e5c3d92718456dab80c87ced0c4c63d3984fb3a742f718957ca25c01c6dcdb6.css","MediaType":"text/css","Data":{"Integrity":"sha256-Tlw9knGEVtq4DIfO0MTGPTmE+zp0L3GJV8olwBxtzbY="}}
\ No newline at end of file
diff --git a/layouts/partials/docs/html-head.html b/layouts/partials/docs/html-head.html
index 599695b..28815a1 100644
--- a/layouts/partials/docs/html-head.html
+++ b/layouts/partials/docs/html-head.html
@@ -3,9 +3,10 @@
 {{- template "_internal/opengraph.html" . -}}
 
 <title>{{ partial "docs/title" . }} | {{ .Site.Title -}}</title>
+<link rel="icon" href="{{ "favicon.png" | relURL }}" type="image/x-icon">
 
 <!-- Theme stylesheet, you can customize scss by creating `assets/custom.scss` in your website -->
-{{- $styles := resources.Get "book.scss" | resources.ToCSS | resources.Minify | resources.Fingerprint }}
+{{- $styles := resources.Get "book.scss" | resources.ExecuteAsTemplate "book.scss" . | resources.ToCSS | resources.Minify | resources.Fingerprint }}
 <link rel="stylesheet" href="{{ $styles.RelPermalink }}" integrity="{{ $styles.Data.Integrity }}">
 
 {{ if default true .Site.Params.BookSearch }}
@@ -13,8 +14,7 @@
 <script defer src="{{ $searchJS.RelPermalink }}" integrity="{{ $searchJS.Data.Integrity }}"></script>
 {{ end }}
 
-<!-- Favicon -->
-<link rel="icon" href="{{ "favicon.png" | relURL }}" type="image/x-icon">
+{{- template "_internal/google_analytics_async.html" . -}}
 
 <!-- RSS -->
 {{ with .OutputFormats.Get "rss" -}}
@@ -25,5 +25,3 @@
 Made with Book Theme
 https://github.com/alex-shpak/hugo-book
 {{ "-->" | safeHTML }}
-
-{{ template "_internal/google_analytics_async.html" . }}
diff --git a/layouts/partials/docs/menu-bundle.html b/layouts/partials/docs/menu-bundle.html
index 2aedb54..eced12e 100644
--- a/layouts/partials/docs/menu-bundle.html
+++ b/layouts/partials/docs/menu-bundle.html
@@ -13,7 +13,7 @@
 
   <style>
   nav ul a[href{{ $attrEq }}"{{ $attrVal }}"] {
-      color: {{ default "#004ed0" .Site.Params.BookMenuBundleActiveLinkColor }};
+    color: {{ default "#004ed0" .Site.Params.BookMenuBundleActiveLinkColor }};
   }
   </style>
 {{ end }}