diff --git a/book/theme/book.js b/book/theme/book.js
new file mode 100644
index 00000000..aa12e7ec
--- /dev/null
+++ b/book/theme/book.js
@@ -0,0 +1,697 @@
+"use strict";
+
+// Fix back button cache problem
+window.onunload = function () { };
+
+// Global variable, shared between modules
+function playground_text(playground, hidden = true) {
+ let code_block = playground.querySelector("code");
+
+ if (window.ace && code_block.classList.contains("editable")) {
+ let editor = window.ace.edit(code_block);
+ return editor.getValue();
+ } else if (hidden) {
+ return code_block.textContent;
+ } else {
+ return code_block.innerText;
+ }
+}
+
+(function codeSnippets() {
+ function fetch_with_timeout(url, options, timeout = 6000) {
+ return Promise.race([
+ fetch(url, options),
+ new Promise((_, reject) => setTimeout(() => reject(new Error('timeout')), timeout))
+ ]);
+ }
+
+ var playgrounds = Array.from(document.querySelectorAll(".playground"));
+ if (playgrounds.length > 0) {
+ fetch_with_timeout("https://play.rust-lang.org/meta/crates", {
+ headers: {
+ 'Content-Type': "application/json",
+ },
+ method: 'POST',
+ mode: 'cors',
+ })
+ .then(response => response.json())
+ .then(response => {
+ // get list of crates available in the rust playground
+ let playground_crates = response.crates.map(item => item["id"]);
+ playgrounds.forEach(block => handle_crate_list_update(block, playground_crates));
+ });
+ }
+
+ function handle_crate_list_update(playground_block, playground_crates) {
+ // update the play buttons after receiving the response
+ update_play_button(playground_block, playground_crates);
+
+ // and install on change listener to dynamically update ACE editors
+ if (window.ace) {
+ let code_block = playground_block.querySelector("code");
+ if (code_block.classList.contains("editable")) {
+ let editor = window.ace.edit(code_block);
+ editor.addEventListener("change", function (e) {
+ update_play_button(playground_block, playground_crates);
+ });
+ // add Ctrl-Enter command to execute rust code
+ editor.commands.addCommand({
+ name: "run",
+ bindKey: {
+ win: "Ctrl-Enter",
+ mac: "Ctrl-Enter"
+ },
+ exec: _editor => run_rust_code(playground_block)
+ });
+ }
+ }
+ }
+
+ // updates the visibility of play button based on `no_run` class and
+ // used crates vs ones available on https://play.rust-lang.org
+ function update_play_button(pre_block, playground_crates) {
+ var play_button = pre_block.querySelector(".play-button");
+
+ // skip if code is `no_run`
+ if (pre_block.querySelector('code').classList.contains("no_run")) {
+ play_button.classList.add("hidden");
+ return;
+ }
+
+ // get list of `extern crate`'s from snippet
+ var txt = playground_text(pre_block);
+ var re = /extern\s+crate\s+([a-zA-Z_0-9]+)\s*;/g;
+ var snippet_crates = [];
+ var item;
+ while (item = re.exec(txt)) {
+ snippet_crates.push(item[1]);
+ }
+
+ // check if all used crates are available on play.rust-lang.org
+ var all_available = snippet_crates.every(function (elem) {
+ return playground_crates.indexOf(elem) > -1;
+ });
+
+ if (all_available) {
+ play_button.classList.remove("hidden");
+ } else {
+ play_button.classList.add("hidden");
+ }
+ }
+
+ function run_rust_code(code_block) {
+ var result_block = code_block.querySelector(".result");
+ if (!result_block) {
+ result_block = document.createElement('code');
+ result_block.className = 'result hljs language-bash';
+
+ code_block.append(result_block);
+ }
+
+ let text = playground_text(code_block);
+ let classes = code_block.querySelector('code').classList;
+ let edition = "2015";
+ if(classes.contains("edition2018")) {
+ edition = "2018";
+ } else if(classes.contains("edition2021")) {
+ edition = "2021";
+ }
+ var params = {
+ version: "stable",
+ optimize: "0",
+ code: text,
+ edition: edition
+ };
+
+ if (text.indexOf("#![feature") !== -1) {
+ params.version = "nightly";
+ }
+
+ result_block.innerText = "Running...";
+
+ fetch_with_timeout("https://play.rust-lang.org/evaluate.json", {
+ headers: {
+ 'Content-Type': "application/json",
+ },
+ method: 'POST',
+ mode: 'cors',
+ body: JSON.stringify(params)
+ })
+ .then(response => response.json())
+ .then(response => {
+ if (response.result.trim() === '') {
+ result_block.innerText = "No output";
+ result_block.classList.add("result-no-output");
+ } else {
+ result_block.innerText = response.result;
+ result_block.classList.remove("result-no-output");
+ }
+ })
+ .catch(error => result_block.innerText = "Playground Communication: " + error.message);
+ }
+
+ // Syntax highlighting Configuration
+ hljs.configure({
+ tabReplace: ' ', // 4 spaces
+ languages: [], // Languages used for auto-detection
+ });
+
+ let code_nodes = Array
+ .from(document.querySelectorAll('code'))
+ // Don't highlight `inline code` blocks in headers.
+ .filter(function (node) {return !node.parentElement.classList.contains("header"); });
+
+ if (window.ace) {
+ // language-rust class needs to be removed for editable
+ // blocks or highlightjs will capture events
+ code_nodes
+ .filter(function (node) {return node.classList.contains("editable"); })
+ .forEach(function (block) { block.classList.remove('language-rust'); });
+
+ code_nodes
+ .filter(function (node) {return !node.classList.contains("editable"); })
+ .forEach(function (block) { hljs.highlightBlock(block); });
+ } else {
+ code_nodes.forEach(function (block) { hljs.highlightBlock(block); });
+ }
+
+ // Adding the hljs class gives code blocks the color css
+ // even if highlighting doesn't apply
+ code_nodes.forEach(function (block) { block.classList.add('hljs'); });
+
+ Array.from(document.querySelectorAll("code.hljs")).forEach(function (block) {
+
+ var lines = Array.from(block.querySelectorAll('.boring'));
+ // If no lines were hidden, return
+ if (!lines.length) { return; }
+ block.classList.add("hide-boring");
+
+ var buttons = document.createElement('div');
+ buttons.className = 'buttons';
+ buttons.innerHTML = "";
+
+ // add expand button
+ var pre_block = block.parentNode;
+ pre_block.insertBefore(buttons, pre_block.firstChild);
+
+ pre_block.querySelector('.buttons').addEventListener('click', function (e) {
+ if (e.target.classList.contains('fa-eye')) {
+ e.target.classList.remove('fa-eye');
+ e.target.classList.add('fa-eye-slash');
+ e.target.title = 'Hide lines';
+ e.target.setAttribute('aria-label', e.target.title);
+
+ block.classList.remove('hide-boring');
+ } else if (e.target.classList.contains('fa-eye-slash')) {
+ e.target.classList.remove('fa-eye-slash');
+ e.target.classList.add('fa-eye');
+ e.target.title = 'Show hidden lines';
+ e.target.setAttribute('aria-label', e.target.title);
+
+ block.classList.add('hide-boring');
+ }
+ });
+ });
+
+ if (window.playground_copyable) {
+ Array.from(document.querySelectorAll('pre code')).forEach(function (block) {
+ var pre_block = block.parentNode;
+ if (!pre_block.classList.contains('playground')) {
+ var buttons = pre_block.querySelector(".buttons");
+ if (!buttons) {
+ buttons = document.createElement('div');
+ buttons.className = 'buttons';
+ pre_block.insertBefore(buttons, pre_block.firstChild);
+ }
+
+ var clipButton = document.createElement('button');
+ clipButton.className = 'fa fa-copy clip-button';
+ clipButton.title = 'Copy to clipboard';
+ clipButton.setAttribute('aria-label', clipButton.title);
+ clipButton.innerHTML = '';
+
+ buttons.insertBefore(clipButton, buttons.firstChild);
+ }
+ });
+ }
+
+ // Process playground code blocks
+ Array.from(document.querySelectorAll(".playground")).forEach(function (pre_block) {
+ // Add play button
+ var buttons = pre_block.querySelector(".buttons");
+ if (!buttons) {
+ buttons = document.createElement('div');
+ buttons.className = 'buttons';
+ pre_block.insertBefore(buttons, pre_block.firstChild);
+ }
+
+ var runCodeButton = document.createElement('button');
+ runCodeButton.className = 'fa fa-play play-button';
+ runCodeButton.hidden = true;
+ runCodeButton.title = 'Run this code';
+ runCodeButton.setAttribute('aria-label', runCodeButton.title);
+
+ buttons.insertBefore(runCodeButton, buttons.firstChild);
+ runCodeButton.addEventListener('click', function (e) {
+ run_rust_code(pre_block);
+ });
+
+ if (window.playground_copyable) {
+ var copyCodeClipboardButton = document.createElement('button');
+ copyCodeClipboardButton.className = 'fa fa-copy clip-button';
+ copyCodeClipboardButton.innerHTML = '';
+ copyCodeClipboardButton.title = 'Copy to clipboard';
+ copyCodeClipboardButton.setAttribute('aria-label', copyCodeClipboardButton.title);
+
+ buttons.insertBefore(copyCodeClipboardButton, buttons.firstChild);
+ }
+
+ let code_block = pre_block.querySelector("code");
+ if (window.ace && code_block.classList.contains("editable")) {
+ var undoChangesButton = document.createElement('button');
+ undoChangesButton.className = 'fa fa-history reset-button';
+ undoChangesButton.title = 'Undo changes';
+ undoChangesButton.setAttribute('aria-label', undoChangesButton.title);
+
+ buttons.insertBefore(undoChangesButton, buttons.firstChild);
+
+ undoChangesButton.addEventListener('click', function () {
+ let editor = window.ace.edit(code_block);
+ editor.setValue(editor.originalCode);
+ editor.clearSelection();
+ });
+ }
+ });
+})();
+
+(function themes() {
+ var html = document.querySelector('html');
+ var themeToggleButton = document.getElementById('theme-toggle');
+ var themePopup = document.getElementById('theme-list');
+ var themeColorMetaTag = document.querySelector('meta[name="theme-color"]');
+ var stylesheets = {
+ ayuHighlight: document.querySelector("[href$='ayu-highlight.css']"),
+ tomorrowNight: document.querySelector("[href$='tomorrow-night.css']"),
+ highlight: document.querySelector("[href$='highlight.css']"),
+ };
+
+ function showThemes() {
+ themePopup.style.display = 'block';
+ themeToggleButton.setAttribute('aria-expanded', true);
+ themePopup.querySelector("button#" + get_theme()).focus();
+ }
+
+ function updateThemeSelected() {
+ themePopup.querySelectorAll('.theme-selected').forEach(function (el) {
+ el.classList.remove('theme-selected');
+ });
+ themePopup.querySelector("button#" + get_theme()).classList.add('theme-selected');
+ }
+
+ function hideThemes() {
+ themePopup.style.display = 'none';
+ themeToggleButton.setAttribute('aria-expanded', false);
+ themeToggleButton.focus();
+ }
+
+ function get_theme() {
+ var theme;
+ try { theme = localStorage.getItem('mdbook-theme'); } catch (e) { }
+ if (theme === null || theme === undefined) {
+ return default_theme;
+ } else {
+ return theme;
+ }
+ }
+
+ function set_theme(theme, store = true) {
+ let ace_theme;
+
+ if (theme == 'coal' || theme == 'navy') {
+ stylesheets.ayuHighlight.disabled = true;
+ stylesheets.tomorrowNight.disabled = false;
+ stylesheets.highlight.disabled = true;
+
+ ace_theme = "ace/theme/tomorrow_night";
+ } else if (theme == 'ayu') {
+ stylesheets.ayuHighlight.disabled = false;
+ stylesheets.tomorrowNight.disabled = true;
+ stylesheets.highlight.disabled = true;
+ ace_theme = "ace/theme/tomorrow_night";
+ } else {
+ stylesheets.ayuHighlight.disabled = true;
+ stylesheets.tomorrowNight.disabled = true;
+ stylesheets.highlight.disabled = false;
+ ace_theme = "ace/theme/dawn";
+ }
+
+ setTimeout(function () {
+ themeColorMetaTag.content = getComputedStyle(document.documentElement).backgroundColor;
+ }, 1);
+
+ if (window.ace && window.editors) {
+ window.editors.forEach(function (editor) {
+ editor.setTheme(ace_theme);
+ });
+ }
+
+ var previousTheme = get_theme();
+
+ if (store) {
+ try { localStorage.setItem('mdbook-theme', theme); } catch (e) { }
+ }
+
+ html.classList.remove(previousTheme);
+ html.classList.add(theme);
+ updateThemeSelected();
+ }
+
+ // Set theme
+ var theme = get_theme();
+
+ set_theme(theme, false);
+
+ themeToggleButton.addEventListener('click', function () {
+ if (themePopup.style.display === 'block') {
+ hideThemes();
+ } else {
+ showThemes();
+ }
+ });
+
+ themePopup.addEventListener('click', function (e) {
+ var theme;
+ if (e.target.className === "theme") {
+ theme = e.target.id;
+ } else if (e.target.parentElement.className === "theme") {
+ theme = e.target.parentElement.id;
+ } else {
+ return;
+ }
+ set_theme(theme);
+ });
+
+ themePopup.addEventListener('focusout', function(e) {
+ // e.relatedTarget is null in Safari and Firefox on macOS (see workaround below)
+ if (!!e.relatedTarget && !themeToggleButton.contains(e.relatedTarget) && !themePopup.contains(e.relatedTarget)) {
+ hideThemes();
+ }
+ });
+
+ // Should not be needed, but it works around an issue on macOS & iOS: https://github.com/rust-lang/mdBook/issues/628
+ document.addEventListener('click', function(e) {
+ if (themePopup.style.display === 'block' && !themeToggleButton.contains(e.target) && !themePopup.contains(e.target)) {
+ hideThemes();
+ }
+ });
+
+ document.addEventListener('keydown', function (e) {
+ if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) { return; }
+ if (!themePopup.contains(e.target)) { return; }
+
+ switch (e.key) {
+ case 'Escape':
+ e.preventDefault();
+ hideThemes();
+ break;
+ case 'ArrowUp':
+ e.preventDefault();
+ var li = document.activeElement.parentElement;
+ if (li && li.previousElementSibling) {
+ li.previousElementSibling.querySelector('button').focus();
+ }
+ break;
+ case 'ArrowDown':
+ e.preventDefault();
+ var li = document.activeElement.parentElement;
+ if (li && li.nextElementSibling) {
+ li.nextElementSibling.querySelector('button').focus();
+ }
+ break;
+ case 'Home':
+ e.preventDefault();
+ themePopup.querySelector('li:first-child button').focus();
+ break;
+ case 'End':
+ e.preventDefault();
+ themePopup.querySelector('li:last-child button').focus();
+ break;
+ }
+ });
+})();
+
+(function sidebar() {
+ var body = document.querySelector("body");
+ var sidebar = document.getElementById("sidebar");
+ var sidebarLinks = document.querySelectorAll('#sidebar a');
+ var sidebarToggleButton = document.getElementById("sidebar-toggle");
+ var sidebarResizeHandle = document.getElementById("sidebar-resize-handle");
+ var firstContact = null;
+
+ function showSidebar() {
+ body.classList.remove('sidebar-hidden')
+ body.classList.add('sidebar-visible');
+ Array.from(sidebarLinks).forEach(function (link) {
+ link.setAttribute('tabIndex', 0);
+ });
+ sidebarToggleButton.setAttribute('aria-expanded', true);
+ sidebar.setAttribute('aria-hidden', false);
+ try { localStorage.setItem('mdbook-sidebar', 'visible'); } catch (e) { }
+ }
+
+
+ var sidebarAnchorToggles = document.querySelectorAll('#sidebar a.toggle');
+
+ function toggleSection(ev) {
+ ev.currentTarget.parentElement.classList.toggle('expanded');
+ }
+
+ Array.from(sidebarAnchorToggles).forEach(function (el) {
+ el.addEventListener('click', toggleSection);
+ });
+
+ function hideSidebar() {
+ body.classList.remove('sidebar-visible')
+ body.classList.add('sidebar-hidden');
+ Array.from(sidebarLinks).forEach(function (link) {
+ link.setAttribute('tabIndex', -1);
+ });
+ sidebarToggleButton.setAttribute('aria-expanded', false);
+ sidebar.setAttribute('aria-hidden', true);
+ try { localStorage.setItem('mdbook-sidebar', 'hidden'); } catch (e) { }
+ }
+
+ // Toggle sidebar
+ sidebarToggleButton.addEventListener('click', function sidebarToggle() {
+ if (body.classList.contains("sidebar-hidden")) {
+ var current_width = parseInt(
+ document.documentElement.style.getPropertyValue('--sidebar-width'), 10);
+ if (current_width < 150) {
+ document.documentElement.style.setProperty('--sidebar-width', '150px');
+ }
+ showSidebar();
+ } else if (body.classList.contains("sidebar-visible")) {
+ hideSidebar();
+ } else {
+ if (getComputedStyle(sidebar)['transform'] === 'none') {
+ hideSidebar();
+ } else {
+ showSidebar();
+ }
+ }
+ });
+
+ sidebarResizeHandle.addEventListener('mousedown', initResize, false);
+
+ function initResize(e) {
+ window.addEventListener('mousemove', resize, false);
+ window.addEventListener('mouseup', stopResize, false);
+ body.classList.add('sidebar-resizing');
+ }
+ function resize(e) {
+ var pos = (e.clientX - sidebar.offsetLeft);
+ if (pos < 20) {
+ hideSidebar();
+ } else {
+ if (body.classList.contains("sidebar-hidden")) {
+ showSidebar();
+ }
+ pos = Math.min(pos, window.innerWidth - 100);
+ document.documentElement.style.setProperty('--sidebar-width', pos + 'px');
+ }
+ }
+ //on mouseup remove windows functions mousemove & mouseup
+ function stopResize(e) {
+ body.classList.remove('sidebar-resizing');
+ window.removeEventListener('mousemove', resize, false);
+ window.removeEventListener('mouseup', stopResize, false);
+ }
+
+ document.addEventListener('touchstart', function (e) {
+ firstContact = {
+ x: e.touches[0].clientX,
+ time: Date.now()
+ };
+ }, { passive: true });
+
+ document.addEventListener('touchmove', function (e) {
+ if (!firstContact)
+ return;
+
+ var curX = e.touches[0].clientX;
+ var xDiff = curX - firstContact.x,
+ tDiff = Date.now() - firstContact.time;
+
+ if (tDiff < 250 && Math.abs(xDiff) >= 150) {
+ if (xDiff >= 0 && firstContact.x < Math.min(document.body.clientWidth * 0.25, 300))
+ showSidebar();
+ else if (xDiff < 0 && curX < 300)
+ hideSidebar();
+
+ firstContact = null;
+ }
+ }, { passive: true });
+})();
+
+(function chapterNavigation() {
+ document.addEventListener('keydown', function (e) {
+ if (e.altKey || e.ctrlKey || e.metaKey || e.shiftKey) { return; }
+ if (window.search && window.search.hasFocus()) { return; }
+ var html = document.querySelector('html');
+
+ function next() {
+ var nextButton = document.querySelector('.nav-chapters.next');
+ if (nextButton) {
+ window.location.href = nextButton.href;
+ }
+ }
+ function prev() {
+ var previousButton = document.querySelector('.nav-chapters.previous');
+ if (previousButton) {
+ window.location.href = previousButton.href;
+ }
+ }
+ switch (e.key) {
+ case 'ArrowRight':
+ e.preventDefault();
+ if (html.dir == 'rtl') {
+ prev();
+ } else {
+ next();
+ }
+ break;
+ case 'ArrowLeft':
+ e.preventDefault();
+ if (html.dir == 'rtl') {
+ next();
+ } else {
+ prev();
+ }
+ break;
+ }
+ });
+})();
+
+(function clipboard() {
+ var clipButtons = document.querySelectorAll('.clip-button');
+
+ function hideTooltip(elem) {
+ elem.firstChild.innerText = "";
+ elem.className = 'fa fa-copy clip-button';
+ }
+
+ function showTooltip(elem, msg) {
+ elem.firstChild.innerText = msg;
+ elem.className = 'fa fa-copy tooltipped';
+ }
+
+ var clipboardSnippets = new ClipboardJS('.clip-button', {
+ text: function (trigger) {
+ hideTooltip(trigger);
+ let playground = trigger.closest("pre");
+ return playground_text(playground, false);
+ }
+ });
+
+ Array.from(clipButtons).forEach(function (clipButton) {
+ clipButton.addEventListener('mouseout', function (e) {
+ hideTooltip(e.currentTarget);
+ });
+ });
+
+ clipboardSnippets.on('success', function (e) {
+ e.clearSelection();
+ showTooltip(e.trigger, "Copied!");
+ });
+
+ clipboardSnippets.on('error', function (e) {
+ showTooltip(e.trigger, "Clipboard error!");
+ });
+})();
+
+(function scrollToTop () {
+ var menuTitle = document.querySelector('.menu-title');
+
+ menuTitle.addEventListener('click', function () {
+ document.scrollingElement.scrollTo({ top: 0, behavior: 'smooth' });
+ });
+})();
+
+(function controllMenu() {
+ var menu = document.getElementById('menu-bar');
+
+ (function controllPosition() {
+ var scrollTop = document.scrollingElement.scrollTop;
+ var prevScrollTop = scrollTop;
+ var minMenuY = -menu.clientHeight - 50;
+ // When the script loads, the page can be at any scroll (e.g. if you reforesh it).
+ menu.style.top = scrollTop + 'px';
+ // Same as parseInt(menu.style.top.slice(0, -2), but faster
+ var topCache = menu.style.top.slice(0, -2);
+ menu.classList.remove('sticky');
+ var stickyCache = false; // Same as menu.classList.contains('sticky'), but faster
+ document.addEventListener('scroll', function () {
+ scrollTop = Math.max(document.scrollingElement.scrollTop, 0);
+ // `null` means that it doesn't need to be updated
+ var nextSticky = null;
+ var nextTop = null;
+ var scrollDown = scrollTop > prevScrollTop;
+ var menuPosAbsoluteY = topCache - scrollTop;
+ if (scrollDown) {
+ nextSticky = false;
+ if (menuPosAbsoluteY > 0) {
+ nextTop = prevScrollTop;
+ }
+ } else {
+ if (menuPosAbsoluteY > 0) {
+ nextSticky = true;
+ } else if (menuPosAbsoluteY < minMenuY) {
+ nextTop = prevScrollTop + minMenuY;
+ }
+ }
+ if (nextSticky === true && stickyCache === false) {
+ menu.classList.add('sticky');
+ stickyCache = true;
+ } else if (nextSticky === false && stickyCache === true) {
+ menu.classList.remove('sticky');
+ stickyCache = false;
+ }
+ if (nextTop !== null) {
+ menu.style.top = nextTop + 'px';
+ topCache = nextTop;
+ }
+ prevScrollTop = scrollTop;
+ }, { passive: true });
+ })();
+ (function controllBorder() {
+ function updateBorder() {
+ if (menu.offsetTop === 0) {
+ menu.classList.remove('bordered');
+ } else {
+ menu.classList.add('bordered');
+ }
+ }
+ updateBorder();
+ document.addEventListener('scroll', updateBorder, { passive: true });
+ })();
+})();
diff --git a/book/theme/css/chrome.css b/book/theme/css/chrome.css
new file mode 100644
index 00000000..8b78255d
--- /dev/null
+++ b/book/theme/css/chrome.css
@@ -0,0 +1,606 @@
+/* CSS for UI elements (a.k.a. chrome) */
+
+@import 'variables.css';
+
+html {
+ scrollbar-color: var(--scrollbar) var(--bg);
+}
+#searchresults a,
+.content a:link,
+a:visited,
+a > .hljs {
+ color: var(--links);
+}
+
+/*
+ body-container is necessary because mobile browsers don't seem to like
+ overflow-x on the body tag when there is a tag.
+*/
+#body-container {
+ /*
+ This is used when the sidebar pushes the body content off the side of
+ the screen on small screens. Without it, dragging on mobile Safari
+ will want to reposition the viewport in a weird way.
+ */
+ overflow-x: clip;
+}
+
+/* Menu Bar */
+
+#menu-bar,
+#menu-bar-hover-placeholder {
+ z-index: 101;
+ margin: auto calc(0px - var(--page-padding));
+}
+#menu-bar {
+ position: relative;
+ display: flex;
+ flex-wrap: wrap;
+ background-color: var(--bg);
+ border-block-end-color: var(--bg);
+ border-block-end-width: 1px;
+ border-block-end-style: solid;
+}
+#menu-bar.sticky,
+.js #menu-bar-hover-placeholder:hover + #menu-bar,
+.js #menu-bar:hover,
+.js.sidebar-visible #menu-bar {
+ position: -webkit-sticky;
+ position: sticky;
+ top: 0 !important;
+}
+#menu-bar-hover-placeholder {
+ position: sticky;
+ position: -webkit-sticky;
+ top: 0;
+ height: var(--menu-bar-height);
+}
+#menu-bar.bordered {
+ border-block-end-color: var(--table-border-color);
+}
+#menu-bar i, #menu-bar .icon-button {
+ position: relative;
+ padding: 0 8px;
+ z-index: 10;
+ line-height: var(--menu-bar-height);
+ cursor: pointer;
+ transition: color 0.5s;
+}
+@media only screen and (max-width: 420px) {
+ #menu-bar i, #menu-bar .icon-button {
+ padding: 0 5px;
+ }
+}
+
+.icon-button {
+ border: none;
+ background: none;
+ padding: 0;
+ color: inherit;
+}
+.icon-button i {
+ margin: 0;
+}
+
+.right-buttons {
+ margin: 0 15px;
+}
+.right-buttons a {
+ text-decoration: none;
+}
+
+.left-buttons {
+ display: flex;
+ margin: 0 5px;
+}
+.no-js .left-buttons button {
+ display: none;
+}
+
+.menu-title {
+ display: inline-block;
+ font-weight: 200;
+ font-size: 2.4rem;
+ line-height: var(--menu-bar-height);
+ text-align: center;
+ margin: 0;
+ flex: 1;
+ white-space: nowrap;
+ overflow: hidden;
+ text-overflow: ellipsis;
+}
+.js .menu-title {
+ cursor: pointer;
+}
+
+.menu-bar,
+.menu-bar:visited,
+.nav-chapters,
+.nav-chapters:visited,
+.mobile-nav-chapters,
+.mobile-nav-chapters:visited,
+.menu-bar .icon-button,
+.menu-bar a i {
+ color: var(--icons);
+}
+
+.menu-bar i:hover,
+.menu-bar .icon-button:hover,
+.nav-chapters:hover,
+.mobile-nav-chapters i:hover {
+ color: var(--icons-hover);
+}
+
+/* Nav Icons */
+
+.nav-chapters {
+ font-size: 2.5em;
+ text-align: center;
+ text-decoration: none;
+
+ position: fixed;
+ top: 0;
+ bottom: 0;
+ margin: 0;
+ max-width: 150px;
+ min-width: 90px;
+
+ display: flex;
+ justify-content: center;
+ align-content: center;
+ flex-direction: column;
+
+ transition: color 0.5s, background-color 0.5s;
+}
+
+.nav-chapters:hover {
+ text-decoration: none;
+ background-color: var(--theme-hover);
+ transition: background-color 0.15s, color 0.15s;
+}
+
+.nav-wrapper {
+ margin-block-start: 50px;
+ display: none;
+}
+
+.mobile-nav-chapters {
+ font-size: 2.5em;
+ text-align: center;
+ text-decoration: none;
+ width: 90px;
+ border-radius: 5px;
+ background-color: var(--sidebar-bg);
+}
+
+/* Only Firefox supports flow-relative values */
+.previous { float: left; }
+[dir=rtl] .previous { float: right; }
+
+/* Only Firefox supports flow-relative values */
+.next {
+ float: right;
+ right: var(--page-padding);
+}
+[dir=rtl] .next {
+ float: left;
+ right: unset;
+ left: var(--page-padding);
+}
+
+/* Use the correct buttons for RTL layouts*/
+[dir=rtl] .previous i.fa-angle-left:before {content:"\f105";}
+[dir=rtl] .next i.fa-angle-right:before { content:"\f104"; }
+
+@media only screen and (max-width: 1080px) {
+ .nav-wide-wrapper { display: none; }
+ .nav-wrapper { display: block; }
+}
+
+/* sidebar-visible */
+@media only screen and (max-width: 1380px) {
+ #sidebar-toggle-anchor:checked ~ .page-wrapper .nav-wide-wrapper { display: none; }
+ #sidebar-toggle-anchor:checked ~ .page-wrapper .nav-wrapper { display: block; }
+}
+
+/* Inline code */
+
+:not(pre) > .hljs {
+ display: inline;
+ padding: 0.1em 0.3em;
+ border-radius: 3px;
+}
+
+:not(pre):not(a) > .hljs {
+ color: var(--inline-code-color);
+ overflow-x: initial;
+}
+
+a:hover > .hljs {
+ text-decoration: underline;
+}
+
+pre {
+ position: relative;
+}
+pre > .buttons {
+ position: absolute;
+ z-index: 100;
+ right: 0px;
+ top: 2px;
+ margin: 0px;
+ padding: 2px 0px;
+
+ color: var(--sidebar-fg);
+ cursor: pointer;
+ visibility: hidden;
+ opacity: 0;
+ transition: visibility 0.1s linear, opacity 0.1s linear;
+}
+pre:hover > .buttons {
+ visibility: visible;
+ opacity: 1
+}
+pre > .buttons :hover {
+ color: var(--sidebar-active);
+ border-color: var(--icons-hover);
+ background-color: var(--theme-hover);
+}
+pre > .buttons i {
+ margin-inline-start: 8px;
+}
+pre > .buttons button {
+ cursor: inherit;
+ margin: 0px 5px;
+ padding: 3px 5px;
+ font-size: 14px;
+
+ border-style: solid;
+ border-width: 1px;
+ border-radius: 4px;
+ border-color: var(--icons);
+ background-color: var(--theme-popup-bg);
+ transition: 100ms;
+ transition-property: color,border-color,background-color;
+ color: var(--icons);
+}
+@media (pointer: coarse) {
+ pre > .buttons button {
+ /* On mobile, make it easier to tap buttons. */
+ padding: 0.3rem 1rem;
+ }
+
+ .sidebar-resize-indicator {
+ /* Hide resize indicator on devices with limited accuracy */
+ display: none;
+ }
+}
+pre > code {
+ display: block;
+ padding: 1rem;
+}
+
+/* FIXME: ACE editors overlap their buttons because ACE does absolute
+ positioning within the code block which breaks padding. The only solution I
+ can think of is to move the padding to the outer pre tag (or insert a div
+ wrapper), but that would require fixing a whole bunch of CSS rules.
+*/
+.hljs.ace_editor {
+ padding: 0rem 0rem;
+}
+
+pre > .result {
+ margin-block-start: 10px;
+}
+
+/* Search */
+
+#searchresults a {
+ text-decoration: none;
+}
+
+mark {
+ border-radius: 2px;
+ padding-block-start: 0;
+ padding-block-end: 1px;
+ padding-inline-start: 3px;
+ padding-inline-end: 3px;
+ margin-block-start: 0;
+ margin-block-end: -1px;
+ margin-inline-start: -3px;
+ margin-inline-end: -3px;
+ background-color: var(--search-mark-bg);
+ transition: background-color 300ms linear;
+ cursor: pointer;
+}
+
+mark.fade-out {
+ background-color: rgba(0,0,0,0) !important;
+ cursor: auto;
+}
+
+.searchbar-outer {
+ margin-inline-start: auto;
+ margin-inline-end: auto;
+ max-width: var(--content-max-width);
+}
+
+#searchbar {
+ width: 100%;
+ margin-block-start: 5px;
+ margin-block-end: 0;
+ margin-inline-start: auto;
+ margin-inline-end: auto;
+ padding: 10px 16px;
+ transition: box-shadow 300ms ease-in-out;
+ border: 1px solid var(--searchbar-border-color);
+ border-radius: 3px;
+ background-color: var(--searchbar-bg);
+ color: var(--searchbar-fg);
+}
+#searchbar:focus,
+#searchbar.active {
+ box-shadow: 0 0 3px var(--searchbar-shadow-color);
+}
+
+.searchresults-header {
+ font-weight: bold;
+ font-size: 1em;
+ padding-block-start: 18px;
+ padding-block-end: 0;
+ padding-inline-start: 5px;
+ padding-inline-end: 0;
+ color: var(--searchresults-header-fg);
+}
+
+.searchresults-outer {
+ margin-inline-start: auto;
+ margin-inline-end: auto;
+ max-width: var(--content-max-width);
+ border-block-end: 1px dashed var(--searchresults-border-color);
+}
+
+ul#searchresults {
+ list-style: none;
+ padding-inline-start: 20px;
+}
+ul#searchresults li {
+ margin: 10px 0px;
+ padding: 2px;
+ border-radius: 2px;
+}
+ul#searchresults li.focus {
+ background-color: var(--searchresults-li-bg);
+}
+ul#searchresults span.teaser {
+ display: block;
+ clear: both;
+ margin-block-start: 5px;
+ margin-block-end: 0;
+ margin-inline-start: 20px;
+ margin-inline-end: 0;
+ font-size: 0.8em;
+}
+ul#searchresults span.teaser em {
+ font-weight: bold;
+ font-style: normal;
+}
+
+/* Sidebar */
+
+.sidebar {
+ position: fixed;
+ left: 0;
+ top: 0;
+ bottom: 0;
+ width: var(--sidebar-width);
+ font-size: 0.875em;
+ box-sizing: border-box;
+ -webkit-overflow-scrolling: touch;
+ overscroll-behavior-y: contain;
+ background-color: var(--sidebar-bg);
+ color: var(--sidebar-fg);
+}
+[dir=rtl] .sidebar { left: unset; right: 0; }
+.sidebar-resizing {
+ -moz-user-select: none;
+ -webkit-user-select: none;
+ -ms-user-select: none;
+ user-select: none;
+}
+.no-js .sidebar,
+.js:not(.sidebar-resizing) .sidebar {
+ transition: transform 0.3s; /* Animation: slide away */
+}
+.sidebar code {
+ line-height: 2em;
+}
+.sidebar .sidebar-scrollbox {
+ overflow-y: auto;
+ position: absolute;
+ top: 0;
+ bottom: 0;
+ left: 0;
+ right: 0;
+ padding: 10px 10px;
+}
+.sidebar .sidebar-resize-handle {
+ position: absolute;
+ cursor: col-resize;
+ width: 0;
+ right: calc(var(--sidebar-resize-indicator-width) * -1);
+ top: 0;
+ bottom: 0;
+ display: flex;
+ align-items: center;
+}
+
+.sidebar-resize-handle .sidebar-resize-indicator {
+ width: 100%;
+ height: 12px;
+ background-color: var(--icons);
+ margin-inline-start: var(--sidebar-resize-indicator-space);
+}
+
+[dir=rtl] .sidebar .sidebar-resize-handle {
+ left: calc(var(--sidebar-resize-indicator-width) * -1);
+ right: unset;
+}
+.js .sidebar .sidebar-resize-handle {
+ cursor: col-resize;
+ width: calc(var(--sidebar-resize-indicator-width) - var(--sidebar-resize-indicator-space));
+}
+/* sidebar-hidden */
+#sidebar-toggle-anchor:not(:checked) ~ .sidebar {
+ transform: translateX(calc(0px - var(--sidebar-width) - var(--sidebar-resize-indicator-width)));
+ z-index: -1;
+}
+[dir=rtl] #sidebar-toggle-anchor:not(:checked) ~ .sidebar {
+ transform: translateX(calc(var(--sidebar-width) + var(--sidebar-resize-indicator-width)));
+}
+.sidebar::-webkit-scrollbar {
+ background: var(--sidebar-bg);
+}
+.sidebar::-webkit-scrollbar-thumb {
+ background: var(--scrollbar);
+}
+
+/* sidebar-visible */
+#sidebar-toggle-anchor:checked ~ .page-wrapper {
+ transform: translateX(calc(var(--sidebar-width) + var(--sidebar-resize-indicator-width)));
+}
+[dir=rtl] #sidebar-toggle-anchor:checked ~ .page-wrapper {
+ transform: translateX(calc(0px - var(--sidebar-width) - var(--sidebar-resize-indicator-width)));
+}
+@media only screen and (min-width: 620px) {
+ #sidebar-toggle-anchor:checked ~ .page-wrapper {
+ transform: none;
+ margin-inline-start: calc(var(--sidebar-width) + var(--sidebar-resize-indicator-width));
+ }
+ [dir=rtl] #sidebar-toggle-anchor:checked ~ .page-wrapper {
+ transform: none;
+ }
+}
+
+.chapter {
+ list-style: none outside none;
+ padding-inline-start: 0;
+ line-height: 2.2em;
+}
+
+.chapter ol {
+ width: 100%;
+}
+
+.chapter li {
+ display: flex;
+ color: var(--sidebar-non-existant);
+}
+.chapter li a {
+ display: block;
+ padding: 0;
+ text-decoration: none;
+ color: var(--sidebar-fg);
+}
+
+.chapter li a:hover {
+ color: var(--sidebar-active);
+}
+
+.chapter li a.active {
+ color: var(--sidebar-active);
+}
+
+.chapter li > a.toggle {
+ cursor: pointer;
+ display: block;
+ margin-inline-start: auto;
+ padding: 0 10px;
+ user-select: none;
+ opacity: 0.68;
+}
+
+.chapter li > a.toggle div {
+ transition: transform 0.5s;
+}
+
+/* collapse the section */
+.chapter li:not(.expanded) + li > ol {
+ display: none;
+}
+
+.chapter li.chapter-item {
+ line-height: 1.5em;
+ margin-block-start: 0.6em;
+}
+
+.chapter li.expanded > a.toggle div {
+ transform: rotate(90deg);
+}
+
+.spacer {
+ width: 100%;
+ height: 3px;
+ margin: 5px 0px;
+}
+.chapter .spacer {
+ background-color: var(--sidebar-spacer);
+}
+
+@media (-moz-touch-enabled: 1), (pointer: coarse) {
+ .chapter li a { padding: 5px 0; }
+ .spacer { margin: 10px 0; }
+}
+
+.section {
+ list-style: none outside none;
+ padding-inline-start: 20px;
+ line-height: 1.9em;
+}
+
+/* Theme Menu Popup */
+
+.theme-popup {
+ position: absolute;
+ left: 10px;
+ top: var(--menu-bar-height);
+ z-index: 1000;
+ border-radius: 4px;
+ font-size: 0.7em;
+ color: var(--fg);
+ background: var(--theme-popup-bg);
+ border: 1px solid var(--theme-popup-border);
+ margin: 0;
+ padding: 0;
+ list-style: none;
+ display: none;
+ /* Don't let the children's background extend past the rounded corners. */
+ overflow: hidden;
+}
+[dir=rtl] .theme-popup { left: unset; right: 10px; }
+.theme-popup .default {
+ color: var(--icons);
+}
+.theme-popup .theme {
+ width: 100%;
+ border: 0;
+ margin: 0;
+ padding: 2px 20px;
+ line-height: 25px;
+ white-space: nowrap;
+ text-align: start;
+ cursor: pointer;
+ color: inherit;
+ background: inherit;
+ font-size: inherit;
+}
+.theme-popup .theme:hover {
+ background-color: var(--theme-hover);
+}
+
+.theme-selected::before {
+ display: inline-block;
+ content: "✓";
+ margin-inline-start: -14px;
+ width: 14px;
+}
diff --git a/book/theme/css/general.css b/book/theme/css/general.css
new file mode 100644
index 00000000..e7d20da7
--- /dev/null
+++ b/book/theme/css/general.css
@@ -0,0 +1,234 @@
+/* Base styles and content styles */
+
+@import 'variables.css';
+
+:root {
+ /* Browser default font-size is 16px, this way 1 rem = 10px */
+ font-size: 62.5%;
+ color-scheme: var(--color-scheme);
+}
+
+html {
+ font-family: "Open Sans", sans-serif;
+ color: var(--fg);
+ background-color: var(--bg);
+ text-size-adjust: none;
+ -webkit-text-size-adjust: none;
+}
+
+body {
+ margin: 0;
+ font-size: 1.6rem;
+ overflow-x: hidden;
+}
+
+code {
+ font-family: var(--mono-font) !important;
+ font-size: var(--code-font-size);
+ direction: ltr !important;
+}
+
+/* make long words/inline code not x overflow */
+main {
+ overflow-wrap: break-word;
+}
+
+/* make wide tables scroll if they overflow */
+.table-wrapper {
+ overflow-x: auto;
+}
+
+/* Don't change font size in headers. */
+h1 code, h2 code, h3 code, h4 code, h5 code, h6 code {
+ font-size: unset;
+}
+
+.left { float: left; }
+.right { float: right; }
+.boring { opacity: 0.6; }
+.hide-boring .boring { display: none; }
+.hidden { display: none !important; }
+
+h2, h3 { margin-block-start: 2.5em; }
+h4, h5 { margin-block-start: 2em; }
+
+.header + .header h3,
+.header + .header h4,
+.header + .header h5 {
+ margin-block-start: 1em;
+}
+
+h1:target::before,
+h2:target::before,
+h3:target::before,
+h4:target::before,
+h5:target::before,
+h6:target::before {
+ display: inline-block;
+ content: "»";
+ margin-inline-start: -30px;
+ width: 30px;
+}
+
+/* This is broken on Safari as of version 14, but is fixed
+ in Safari Technology Preview 117 which I think will be Safari 14.2.
+ https://bugs.webkit.org/show_bug.cgi?id=218076
+*/
+:target {
+ /* Safari does not support logical properties */
+ scroll-margin-top: calc(var(--menu-bar-height) + 0.5em);
+}
+
+.page {
+ outline: 0;
+ padding: 0 var(--page-padding);
+ margin-block-start: calc(0px - var(--menu-bar-height)); /* Compensate for the #menu-bar-hover-placeholder */
+}
+.page-wrapper {
+ box-sizing: border-box;
+ background-color: var(--bg);
+}
+.no-js .page-wrapper,
+.js:not(.sidebar-resizing) .page-wrapper {
+ transition: margin-left 0.3s ease, transform 0.3s ease; /* Animation: slide away */
+}
+[dir=rtl] .js:not(.sidebar-resizing) .page-wrapper {
+ transition: margin-right 0.3s ease, transform 0.3s ease; /* Animation: slide away */
+}
+
+.content {
+ overflow-y: auto;
+ padding: 0 5px 50px 5px;
+}
+.content main {
+ margin-inline-start: auto;
+ margin-inline-end: auto;
+ max-width: var(--content-max-width);
+}
+.content p { line-height: 1.45em; }
+.content ol { line-height: 1.45em; }
+.content ul { line-height: 1.45em; }
+.content a { text-decoration: none; }
+.content a:hover { text-decoration: underline; }
+.content img, .content video { max-width: 100%; }
+.content .header:link,
+.content .header:visited {
+ color: var(--fg);
+}
+.content .header:link,
+.content .header:visited:hover {
+ text-decoration: none;
+}
+
+table {
+ margin: 0 auto;
+ border-collapse: collapse;
+}
+table td {
+ padding: 3px 20px;
+ border: 1px var(--table-border-color) solid;
+}
+table thead {
+ background: var(--table-header-bg);
+}
+table thead td {
+ font-weight: 700;
+ border: none;
+}
+table thead th {
+ padding: 3px 20px;
+}
+table thead tr {
+ border: 1px var(--table-header-bg) solid;
+}
+/* Alternate background colors for rows */
+table tbody tr:nth-child(2n) {
+ background: var(--table-alternate-bg);
+}
+
+
+blockquote {
+ margin: 20px 0;
+ padding: 0 20px;
+ color: var(--fg);
+ background-color: var(--quote-bg);
+ border-block-start: .1em solid var(--quote-border);
+ border-block-end: .1em solid var(--quote-border);
+}
+
+.warning {
+ margin: 20px;
+ padding: 0 20px;
+ border-inline-start: 2px solid var(--warning-border);
+}
+
+.warning:before {
+ position: absolute;
+ width: 3rem;
+ height: 3rem;
+ margin-inline-start: calc(-1.5rem - 21px);
+ content: "ⓘ";
+ text-align: center;
+ background-color: var(--bg);
+ color: var(--warning-border);
+ font-weight: bold;
+ font-size: 2rem;
+}
+
+blockquote .warning:before {
+ background-color: var(--quote-bg);
+}
+
+kbd {
+ background-color: var(--table-border-color);
+ border-radius: 4px;
+ border: solid 1px var(--theme-popup-border);
+ box-shadow: inset 0 -1px 0 var(--theme-hover);
+ display: inline-block;
+ font-size: var(--code-font-size);
+ font-family: var(--mono-font);
+ line-height: 10px;
+ padding: 4px 5px;
+ vertical-align: middle;
+}
+
+:not(.footnote-definition) + .footnote-definition,
+.footnote-definition + :not(.footnote-definition) {
+ margin-block-start: 2em;
+}
+.footnote-definition {
+ font-size: 0.9em;
+ margin: 0.5em 0;
+}
+.footnote-definition p {
+ display: inline;
+}
+
+.tooltiptext {
+ position: absolute;
+ visibility: hidden;
+ color: #fff;
+ background-color: #333;
+ transform: translateX(-50%); /* Center by moving tooltip 50% of its width left */
+ left: -8px; /* Half of the width of the icon */
+ top: -35px;
+ font-size: 0.8em;
+ text-align: center;
+ border-radius: 6px;
+ padding: 5px 8px;
+ margin: 5px;
+ z-index: 1000;
+}
+.tooltipped .tooltiptext {
+ visibility: visible;
+}
+
+.chapter li.part-title {
+ color: var(--sidebar-fg);
+ margin: 5px 0px;
+ font-weight: bold;
+}
+
+.result-no-output {
+ font-style: italic;
+}
diff --git a/book/theme/css/print.css b/book/theme/css/print.css
new file mode 100644
index 00000000..80ec3a54
--- /dev/null
+++ b/book/theme/css/print.css
@@ -0,0 +1,50 @@
+
+#sidebar,
+#menu-bar,
+.nav-chapters,
+.mobile-nav-chapters {
+ display: none;
+}
+
+#page-wrapper.page-wrapper {
+ transform: none !important;
+ margin-inline-start: 0px;
+ overflow-y: initial;
+}
+
+#content {
+ max-width: none;
+ margin: 0;
+ padding: 0;
+}
+
+.page {
+ overflow-y: initial;
+}
+
+code {
+ direction: ltr !important;
+}
+
+pre > .buttons {
+ z-index: 2;
+}
+
+a, a:visited, a:active, a:hover {
+ color: #4183c4;
+ text-decoration: none;
+}
+
+h1, h2, h3, h4, h5, h6 {
+ page-break-inside: avoid;
+ page-break-after: avoid;
+}
+
+pre, code {
+ page-break-inside: avoid;
+ white-space: pre-wrap;
+}
+
+.fa {
+ display: none !important;
+}
diff --git a/book/theme/css/variables.css b/book/theme/css/variables.css
new file mode 100644
index 00000000..0da55e8c
--- /dev/null
+++ b/book/theme/css/variables.css
@@ -0,0 +1,279 @@
+
+/* Globals */
+
+:root {
+ --sidebar-width: 300px;
+ --sidebar-resize-indicator-width: 8px;
+ --sidebar-resize-indicator-space: 2px;
+ --page-padding: 15px;
+ --content-max-width: 750px;
+ --menu-bar-height: 50px;
+ --mono-font: "Source Code Pro", Consolas, "Ubuntu Mono", Menlo, "DejaVu Sans Mono", monospace, monospace;
+ --code-font-size: 0.875em /* please adjust the ace font size accordingly in editor.js */
+}
+
+/* Themes */
+
+.ayu {
+ --bg: hsl(210, 25%, 8%);
+ --fg: #c5c5c5;
+
+ --sidebar-bg: #14191f;
+ --sidebar-fg: #c8c9db;
+ --sidebar-non-existant: #5c6773;
+ --sidebar-active: #ffb454;
+ --sidebar-spacer: #2d334f;
+
+ --scrollbar: var(--sidebar-fg);
+
+ --icons: #737480;
+ --icons-hover: #b7b9cc;
+
+ --links: #0096cf;
+
+ --inline-code-color: #ffb454;
+
+ --theme-popup-bg: #14191f;
+ --theme-popup-border: #5c6773;
+ --theme-hover: #191f26;
+
+ --quote-bg: hsl(226, 15%, 17%);
+ --quote-border: hsl(226, 15%, 22%);
+
+ --warning-border: #ff8e00;
+
+ --table-border-color: hsl(210, 25%, 13%);
+ --table-header-bg: hsl(210, 25%, 28%);
+ --table-alternate-bg: hsl(210, 25%, 11%);
+
+ --searchbar-border-color: #848484;
+ --searchbar-bg: #424242;
+ --searchbar-fg: #fff;
+ --searchbar-shadow-color: #d4c89f;
+ --searchresults-header-fg: #666;
+ --searchresults-border-color: #888;
+ --searchresults-li-bg: #252932;
+ --search-mark-bg: #e3b171;
+
+ --color-scheme: dark;
+}
+
+.coal {
+ --bg: hsl(200, 7%, 8%);
+ --fg: #98a3ad;
+
+ --sidebar-bg: #292c2f;
+ --sidebar-fg: #a1adb8;
+ --sidebar-non-existant: #505254;
+ --sidebar-active: #3473ad;
+ --sidebar-spacer: #393939;
+
+ --scrollbar: var(--sidebar-fg);
+
+ --icons: #43484d;
+ --icons-hover: #b3c0cc;
+
+ --links: #2b79a2;
+
+ --inline-code-color: #c5c8c6;
+
+ --theme-popup-bg: #141617;
+ --theme-popup-border: #43484d;
+ --theme-hover: #1f2124;
+
+ --quote-bg: hsl(234, 21%, 18%);
+ --quote-border: hsl(234, 21%, 23%);
+
+ --warning-border: #ff8e00;
+
+ --table-border-color: hsl(200, 7%, 13%);
+ --table-header-bg: hsl(200, 7%, 28%);
+ --table-alternate-bg: hsl(200, 7%, 11%);
+
+ --searchbar-border-color: #aaa;
+ --searchbar-bg: #b7b7b7;
+ --searchbar-fg: #000;
+ --searchbar-shadow-color: #aaa;
+ --searchresults-header-fg: #666;
+ --searchresults-border-color: #98a3ad;
+ --searchresults-li-bg: #2b2b2f;
+ --search-mark-bg: #355c7d;
+
+ --color-scheme: dark;
+}
+
+.light {
+ --bg: hsl(0, 0%, 100%);
+ --fg: hsl(0, 0%, 0%);
+
+ --sidebar-bg: #fafafa;
+ --sidebar-fg: hsl(0, 0%, 0%);
+ --sidebar-non-existant: #aaaaaa;
+ --sidebar-active: #1f1fff;
+ --sidebar-spacer: #f4f4f4;
+
+ --scrollbar: #8F8F8F;
+
+ --icons: #747474;
+ --icons-hover: #000000;
+
+ --links: #20609f;
+
+ --inline-code-color: #301900;
+
+ --theme-popup-bg: #fafafa;
+ --theme-popup-border: #cccccc;
+ --theme-hover: #e6e6e6;
+
+ --quote-bg: hsl(197, 37%, 96%);
+ --quote-border: hsl(197, 37%, 91%);
+
+ --warning-border: #ff8e00;
+
+ --table-border-color: hsl(0, 0%, 95%);
+ --table-header-bg: hsl(0, 0%, 80%);
+ --table-alternate-bg: hsl(0, 0%, 97%);
+
+ --searchbar-border-color: #aaa;
+ --searchbar-bg: #fafafa;
+ --searchbar-fg: #000;
+ --searchbar-shadow-color: #aaa;
+ --searchresults-header-fg: #666;
+ --searchresults-border-color: #888;
+ --searchresults-li-bg: #e4f2fe;
+ --search-mark-bg: #a2cff5;
+
+ --color-scheme: light;
+}
+
+.navy {
+ --bg: hsl(226, 23%, 11%);
+ --fg: #bcbdd0;
+
+ --sidebar-bg: #282d3f;
+ --sidebar-fg: #c8c9db;
+ --sidebar-non-existant: #505274;
+ --sidebar-active: #2b79a2;
+ --sidebar-spacer: #2d334f;
+
+ --scrollbar: var(--sidebar-fg);
+
+ --icons: #737480;
+ --icons-hover: #b7b9cc;
+
+ --links: #2b79a2;
+
+ --inline-code-color: #c5c8c6;
+
+ --theme-popup-bg: #161923;
+ --theme-popup-border: #737480;
+ --theme-hover: #282e40;
+
+ --quote-bg: hsl(226, 15%, 17%);
+ --quote-border: hsl(226, 15%, 22%);
+
+ --warning-border: #ff8e00;
+
+ --table-border-color: hsl(226, 23%, 16%);
+ --table-header-bg: hsl(226, 23%, 31%);
+ --table-alternate-bg: hsl(226, 23%, 14%);
+
+ --searchbar-border-color: #aaa;
+ --searchbar-bg: #aeaec6;
+ --searchbar-fg: #000;
+ --searchbar-shadow-color: #aaa;
+ --searchresults-header-fg: #5f5f71;
+ --searchresults-border-color: #5c5c68;
+ --searchresults-li-bg: #242430;
+ --search-mark-bg: #a2cff5;
+
+ --color-scheme: dark;
+}
+
+.rust {
+ --bg: hsl(60, 9%, 87%);
+ --fg: #262625;
+
+ --sidebar-bg: #3b2e2a;
+ --sidebar-fg: #c8c9db;
+ --sidebar-non-existant: #505254;
+ --sidebar-active: #e69f67;
+ --sidebar-spacer: #45373a;
+
+ --scrollbar: var(--sidebar-fg);
+
+ --icons: #737480;
+ --icons-hover: #262625;
+
+ --links: #2b79a2;
+
+ --inline-code-color: #6e6b5e;
+
+ --theme-popup-bg: #e1e1db;
+ --theme-popup-border: #b38f6b;
+ --theme-hover: #99908a;
+
+ --quote-bg: hsl(60, 5%, 75%);
+ --quote-border: hsl(60, 5%, 70%);
+
+ --warning-border: #ff8e00;
+
+ --table-border-color: hsl(60, 9%, 82%);
+ --table-header-bg: #b3a497;
+ --table-alternate-bg: hsl(60, 9%, 84%);
+
+ --searchbar-border-color: #aaa;
+ --searchbar-bg: #fafafa;
+ --searchbar-fg: #000;
+ --searchbar-shadow-color: #aaa;
+ --searchresults-header-fg: #666;
+ --searchresults-border-color: #888;
+ --searchresults-li-bg: #dec2a2;
+ --search-mark-bg: #e69f67;
+
+ --color-scheme: light;
+}
+
+@media (prefers-color-scheme: dark) {
+ .light.no-js {
+ --bg: hsl(200, 7%, 8%);
+ --fg: #98a3ad;
+
+ --sidebar-bg: #292c2f;
+ --sidebar-fg: #a1adb8;
+ --sidebar-non-existant: #505254;
+ --sidebar-active: #3473ad;
+ --sidebar-spacer: #393939;
+
+ --scrollbar: var(--sidebar-fg);
+
+ --icons: #43484d;
+ --icons-hover: #b3c0cc;
+
+ --links: #2b79a2;
+
+ --inline-code-color: #c5c8c6;
+
+ --theme-popup-bg: #141617;
+ --theme-popup-border: #43484d;
+ --theme-hover: #1f2124;
+
+ --quote-bg: hsl(234, 21%, 18%);
+ --quote-border: hsl(234, 21%, 23%);
+
+ --warning-border: #ff8e00;
+
+ --table-border-color: hsl(200, 7%, 13%);
+ --table-header-bg: hsl(200, 7%, 28%);
+ --table-alternate-bg: hsl(200, 7%, 11%);
+
+ --searchbar-border-color: #aaa;
+ --searchbar-bg: #b7b7b7;
+ --searchbar-fg: #000;
+ --searchbar-shadow-color: #aaa;
+ --searchresults-header-fg: #666;
+ --searchresults-border-color: #98a3ad;
+ --searchresults-li-bg: #2b2b2f;
+ --search-mark-bg: #355c7d;
+ }
+}
diff --git a/book/theme/favicon.png b/book/theme/favicon.png
new file mode 100644
index 00000000..a5b1aa16
Binary files /dev/null and b/book/theme/favicon.png differ
diff --git a/book/theme/favicon.svg b/book/theme/favicon.svg
new file mode 100644
index 00000000..90e0ea58
--- /dev/null
+++ b/book/theme/favicon.svg
@@ -0,0 +1,22 @@
+
+
diff --git a/book/theme/fonts/OPEN-SANS-LICENSE.txt b/book/theme/fonts/OPEN-SANS-LICENSE.txt
new file mode 100644
index 00000000..d6456956
--- /dev/null
+++ b/book/theme/fonts/OPEN-SANS-LICENSE.txt
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+ "Derivative Works" shall mean any work, whether in Source or Object
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+ "Contribution" shall mean any work of authorship, including
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+ "Contributor" shall mean Licensor and any individual or Legal Entity
+ on behalf of whom a Contribution has been received by Licensor and
+ subsequently incorporated within the Work.
+
+ 2. Grant of Copyright License. Subject to the terms and conditions of
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+ for use, reproduction, or distribution of Your modifications, or
+ for any such Derivative Works as a whole, provided Your use,
+ reproduction, and distribution of the Work otherwise complies with
+ the conditions stated in this License.
+
+ 5. Submission of Contributions. Unless You explicitly state otherwise,
+ any Contribution intentionally submitted for inclusion in the Work
+ by You to the Licensor shall be under the terms and conditions of
+ this License, without any additional terms or conditions.
+ Notwithstanding the above, nothing herein shall supersede or modify
+ the terms of any separate license agreement you may have executed
+ with Licensor regarding such Contributions.
+
+ 6. Trademarks. This License does not grant permission to use the trade
+ names, trademarks, service marks, or product names of the Licensor,
+ except as required for reasonable and customary use in describing the
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+
+ 7. Disclaimer of Warranty. Unless required by applicable law or
+ agreed to in writing, Licensor provides the Work (and each
+ Contributor provides its Contributions) on an "AS IS" BASIS,
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+ of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
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+ risks associated with Your exercise of permissions under this License.
+
+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
+ unless required by applicable law (such as deliberate and grossly
+ negligent acts) or agreed to in writing, shall any Contributor be
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+ incidental, or consequential damages of any character arising as a
+ result of this License or out of the use or inability to use the
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+ the Work or Derivative Works thereof, You may choose to offer,
+ and charge a fee for, acceptance of support, warranty, indemnity,
+ or other liability obligations and/or rights consistent with this
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+ on Your own behalf and on Your sole responsibility, not on behalf
+ of any other Contributor, and only if You agree to indemnify,
+ defend, and hold each Contributor harmless for any liability
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+ of your accepting any such warranty or additional liability.
+
+ END OF TERMS AND CONDITIONS
+
+ APPENDIX: How to apply the Apache License to your work.
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+ To apply the Apache License to your work, attach the following
+ boilerplate notice, with the fields enclosed by brackets "[]"
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+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
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+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
diff --git a/book/theme/fonts/SOURCE-CODE-PRO-LICENSE.txt b/book/theme/fonts/SOURCE-CODE-PRO-LICENSE.txt
new file mode 100644
index 00000000..366206f5
--- /dev/null
+++ b/book/theme/fonts/SOURCE-CODE-PRO-LICENSE.txt
@@ -0,0 +1,93 @@
+Copyright 2010, 2012 Adobe Systems Incorporated (http://www.adobe.com/), with Reserved Font Name 'Source'. All Rights Reserved. Source is a trademark of Adobe Systems Incorporated in the United States and/or other countries.
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.
diff --git a/book/theme/fonts/fonts.css b/book/theme/fonts/fonts.css
new file mode 100644
index 00000000..858efa59
--- /dev/null
+++ b/book/theme/fonts/fonts.css
@@ -0,0 +1,100 @@
+/* Open Sans is licensed under the Apache License, Version 2.0. See http://www.apache.org/licenses/LICENSE-2.0 */
+/* Source Code Pro is under the Open Font License. See https://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=OFL */
+
+/* open-sans-300 - latin_vietnamese_latin-ext_greek-ext_greek_cyrillic-ext_cyrillic */
+@font-face {
+ font-family: 'Open Sans';
+ font-style: normal;
+ font-weight: 300;
+ src: local('Open Sans Light'), local('OpenSans-Light'),
+ url('open-sans-v17-all-charsets-300.woff2') format('woff2');
+}
+
+/* open-sans-300italic - latin_vietnamese_latin-ext_greek-ext_greek_cyrillic-ext_cyrillic */
+@font-face {
+ font-family: 'Open Sans';
+ font-style: italic;
+ font-weight: 300;
+ src: local('Open Sans Light Italic'), local('OpenSans-LightItalic'),
+ url('open-sans-v17-all-charsets-300italic.woff2') format('woff2');
+}
+
+/* open-sans-regular - latin_vietnamese_latin-ext_greek-ext_greek_cyrillic-ext_cyrillic */
+@font-face {
+ font-family: 'Open Sans';
+ font-style: normal;
+ font-weight: 400;
+ src: local('Open Sans Regular'), local('OpenSans-Regular'),
+ url('open-sans-v17-all-charsets-regular.woff2') format('woff2');
+}
+
+/* open-sans-italic - latin_vietnamese_latin-ext_greek-ext_greek_cyrillic-ext_cyrillic */
+@font-face {
+ font-family: 'Open Sans';
+ font-style: italic;
+ font-weight: 400;
+ src: local('Open Sans Italic'), local('OpenSans-Italic'),
+ url('open-sans-v17-all-charsets-italic.woff2') format('woff2');
+}
+
+/* open-sans-600 - latin_vietnamese_latin-ext_greek-ext_greek_cyrillic-ext_cyrillic */
+@font-face {
+ font-family: 'Open Sans';
+ font-style: normal;
+ font-weight: 600;
+ src: local('Open Sans SemiBold'), local('OpenSans-SemiBold'),
+ url('open-sans-v17-all-charsets-600.woff2') format('woff2');
+}
+
+/* open-sans-600italic - latin_vietnamese_latin-ext_greek-ext_greek_cyrillic-ext_cyrillic */
+@font-face {
+ font-family: 'Open Sans';
+ font-style: italic;
+ font-weight: 600;
+ src: local('Open Sans SemiBold Italic'), local('OpenSans-SemiBoldItalic'),
+ url('open-sans-v17-all-charsets-600italic.woff2') format('woff2');
+}
+
+/* open-sans-700 - latin_vietnamese_latin-ext_greek-ext_greek_cyrillic-ext_cyrillic */
+@font-face {
+ font-family: 'Open Sans';
+ font-style: normal;
+ font-weight: 700;
+ src: local('Open Sans Bold'), local('OpenSans-Bold'),
+ url('open-sans-v17-all-charsets-700.woff2') format('woff2');
+}
+
+/* open-sans-700italic - latin_vietnamese_latin-ext_greek-ext_greek_cyrillic-ext_cyrillic */
+@font-face {
+ font-family: 'Open Sans';
+ font-style: italic;
+ font-weight: 700;
+ src: local('Open Sans Bold Italic'), local('OpenSans-BoldItalic'),
+ url('open-sans-v17-all-charsets-700italic.woff2') format('woff2');
+}
+
+/* open-sans-800 - latin_vietnamese_latin-ext_greek-ext_greek_cyrillic-ext_cyrillic */
+@font-face {
+ font-family: 'Open Sans';
+ font-style: normal;
+ font-weight: 800;
+ src: local('Open Sans ExtraBold'), local('OpenSans-ExtraBold'),
+ url('open-sans-v17-all-charsets-800.woff2') format('woff2');
+}
+
+/* open-sans-800italic - latin_vietnamese_latin-ext_greek-ext_greek_cyrillic-ext_cyrillic */
+@font-face {
+ font-family: 'Open Sans';
+ font-style: italic;
+ font-weight: 800;
+ src: local('Open Sans ExtraBold Italic'), local('OpenSans-ExtraBoldItalic'),
+ url('open-sans-v17-all-charsets-800italic.woff2') format('woff2');
+}
+
+/* source-code-pro-500 - latin_vietnamese_latin-ext_greek_cyrillic-ext_cyrillic */
+@font-face {
+ font-family: 'Source Code Pro';
+ font-style: normal;
+ font-weight: 500;
+ src: url('source-code-pro-v11-all-charsets-500.woff2') format('woff2');
+}
diff --git a/book/theme/fonts/open-sans-v17-all-charsets-300.woff2 b/book/theme/fonts/open-sans-v17-all-charsets-300.woff2
new file mode 100644
index 00000000..9f51be37
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diff --git a/book/theme/fonts/open-sans-v17-all-charsets-300italic.woff2 b/book/theme/fonts/open-sans-v17-all-charsets-300italic.woff2
new file mode 100644
index 00000000..2f545448
Binary files /dev/null and b/book/theme/fonts/open-sans-v17-all-charsets-300italic.woff2 differ
diff --git a/book/theme/fonts/open-sans-v17-all-charsets-600.woff2 b/book/theme/fonts/open-sans-v17-all-charsets-600.woff2
new file mode 100644
index 00000000..f503d558
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diff --git a/book/theme/fonts/open-sans-v17-all-charsets-600italic.woff2 b/book/theme/fonts/open-sans-v17-all-charsets-600italic.woff2
new file mode 100644
index 00000000..c99aabe8
Binary files /dev/null and b/book/theme/fonts/open-sans-v17-all-charsets-600italic.woff2 differ
diff --git a/book/theme/fonts/open-sans-v17-all-charsets-700.woff2 b/book/theme/fonts/open-sans-v17-all-charsets-700.woff2
new file mode 100644
index 00000000..421a1ab2
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diff --git a/book/theme/fonts/open-sans-v17-all-charsets-700italic.woff2 b/book/theme/fonts/open-sans-v17-all-charsets-700italic.woff2
new file mode 100644
index 00000000..12ce3d20
Binary files /dev/null and b/book/theme/fonts/open-sans-v17-all-charsets-700italic.woff2 differ
diff --git a/book/theme/fonts/open-sans-v17-all-charsets-800.woff2 b/book/theme/fonts/open-sans-v17-all-charsets-800.woff2
new file mode 100644
index 00000000..c94a223b
Binary files /dev/null and b/book/theme/fonts/open-sans-v17-all-charsets-800.woff2 differ
diff --git a/book/theme/fonts/open-sans-v17-all-charsets-800italic.woff2 b/book/theme/fonts/open-sans-v17-all-charsets-800italic.woff2
new file mode 100644
index 00000000..eed7d3c6
Binary files /dev/null and b/book/theme/fonts/open-sans-v17-all-charsets-800italic.woff2 differ
diff --git a/book/theme/fonts/open-sans-v17-all-charsets-italic.woff2 b/book/theme/fonts/open-sans-v17-all-charsets-italic.woff2
new file mode 100644
index 00000000..398b68a0
Binary files /dev/null and b/book/theme/fonts/open-sans-v17-all-charsets-italic.woff2 differ
diff --git a/book/theme/fonts/open-sans-v17-all-charsets-regular.woff2 b/book/theme/fonts/open-sans-v17-all-charsets-regular.woff2
new file mode 100644
index 00000000..8383e94c
Binary files /dev/null and b/book/theme/fonts/open-sans-v17-all-charsets-regular.woff2 differ
diff --git a/book/theme/fonts/source-code-pro-v11-all-charsets-500.woff2 b/book/theme/fonts/source-code-pro-v11-all-charsets-500.woff2
new file mode 100644
index 00000000..72224568
Binary files /dev/null and b/book/theme/fonts/source-code-pro-v11-all-charsets-500.woff2 differ
diff --git a/book/theme/highlight.css b/book/theme/highlight.css
new file mode 100644
index 00000000..ba57b82b
--- /dev/null
+++ b/book/theme/highlight.css
@@ -0,0 +1,82 @@
+/*
+ * An increased contrast highlighting scheme loosely based on the
+ * "Base16 Atelier Dune Light" theme by Bram de Haan
+ * (http://atelierbram.github.io/syntax-highlighting/atelier-schemes/dune)
+ * Original Base16 color scheme by Chris Kempson
+ * (https://github.com/chriskempson/base16)
+ */
+
+/* Comment */
+.hljs-comment,
+.hljs-quote {
+ color: #575757;
+}
+
+/* Red */
+.hljs-variable,
+.hljs-template-variable,
+.hljs-attribute,
+.hljs-tag,
+.hljs-name,
+.hljs-regexp,
+.hljs-link,
+.hljs-name,
+.hljs-selector-id,
+.hljs-selector-class {
+ color: #d70025;
+}
+
+/* Orange */
+.hljs-number,
+.hljs-meta,
+.hljs-built_in,
+.hljs-builtin-name,
+.hljs-literal,
+.hljs-type,
+.hljs-params {
+ color: #b21e00;
+}
+
+/* Green */
+.hljs-string,
+.hljs-symbol,
+.hljs-bullet {
+ color: #008200;
+}
+
+/* Blue */
+.hljs-title,
+.hljs-section {
+ color: #0030f2;
+}
+
+/* Purple */
+.hljs-keyword,
+.hljs-selector-tag {
+ color: #9d00ec;
+}
+
+.hljs {
+ display: block;
+ overflow-x: auto;
+ background: #f6f7f6;
+ color: #000;
+}
+
+.hljs-emphasis {
+ font-style: italic;
+}
+
+.hljs-strong {
+ font-weight: bold;
+}
+
+.hljs-addition {
+ color: #22863a;
+ background-color: #f0fff4;
+}
+
+.hljs-deletion {
+ color: #b31d28;
+ background-color: #ffeef0;
+}
diff --git a/book/theme/highlight.js b/book/theme/highlight.js
new file mode 100644
index 00000000..3256c00e
--- /dev/null
+++ b/book/theme/highlight.js
@@ -0,0 +1,53 @@
+/*
+ Highlight.js 10.1.1 (93fd0d73)
+ License: BSD-3-Clause
+ Copyright (c) 2006-2020, Ivan Sagalaev
+*/
+var hljs=function(){"use strict";function e(n){Object.freeze(n);var t="function"==typeof n;return Object.getOwnPropertyNames(n).forEach((function(r){!Object.hasOwnProperty.call(n,r)||null===n[r]||"object"!=typeof n[r]&&"function"!=typeof n[r]||t&&("caller"===r||"callee"===r||"arguments"===r)||Object.isFrozen(n[r])||e(n[r])})),n}class n{constructor(e){void 0===e.data&&(e.data={}),this.data=e.data}ignoreMatch(){this.ignore=!0}}function t(e){return e.replace(/&/g,"&").replace(//g,">").replace(/"/g,""").replace(/'/g,"'")}function r(e,...n){var t={};for(const n in e)t[n]=e[n];return n.forEach((function(e){for(const n in e)t[n]=e[n]})),t}function a(e){return e.nodeName.toLowerCase()}var i=Object.freeze({__proto__:null,escapeHTML:t,inherit:r,nodeStream:function(e){var n=[];return function e(t,r){for(var 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Object.assign(e,{"on:begin":(e,n)=>{n.data._beginMatch=e[1]},"on:end":(e,n)=>{n.data._beginMatch!==e[1]&&n.ignoreMatch()}})}}),N="of and for in not or if then".split(" ");function w(e,n){return n?+n:function(e){return N.includes(e.toLowerCase())}(e)?0:1}const R=t,y=r,{nodeStream:k,mergeStreams:O}=i,M=Symbol("nomatch");return function(t){var a=[],i={},s={},o=[],l=!0,c=/(^(<[^>]+>|\t|)+|\n)/gm,g="Could not find the language '{}', did you forget to load/include a language module?";const h={disableAutodetect:!0,name:"Plain text",contains:[]};var f={noHighlightRe:/^(no-?highlight)$/i,languageDetectRe:/\blang(?:uage)?-([\w-]+)\b/i,classPrefix:"hljs-",tabReplace:null,useBR:!1,languages:null,__emitter:u};function p(e){return f.noHighlightRe.test(e)}function b(e,n,t,r){var a={code:n,language:e};S("before:highlight",a);var i=a.result?a.result:m(a.language,a.code,t,r);return i.code=a.code,S("after:highlight",i),i}function m(e,t,a,s){var o=t;function c(e,n){var 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diff --git a/book/theme/index.hbs b/book/theme/index.hbs
index 435a998e..506df891 100644
--- a/book/theme/index.hbs
+++ b/book/theme/index.hbs
@@ -1,11 +1,11 @@
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+
{{ title }}
{{#if is_print }}
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{{/if}}
{{#if base_url}}
@@ -15,22 +15,14 @@
{{> head}}
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-
-
+
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{{#if favicon_svg}}
{{/if}}
@@ -62,18 +54,19 @@
{{#if mathjax_support}}
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+