diff --git a/theme/css/chrome.css b/theme/css/chrome.css
new file mode 100644
index 0000000..2314f7a
--- /dev/null
+++ b/theme/css/chrome.css
@@ -0,0 +1,587 @@
+/* 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;
+ }
+}
+pre > code {
+ 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: 0;
+ top: 0;
+ bottom: 0;
+}
+[dir=rtl] .sidebar .sidebar-resize-handle { right: unset; left: 0; }
+.js .sidebar .sidebar-resize-handle {
+ cursor: col-resize;
+ width: 5px;
+}
+/* sidebar-hidden */
+#sidebar-toggle-anchor:not(:checked) ~ .sidebar {
+ transform: translateX(calc(0px - var(--sidebar-width)));
+ z-index: -1;
+}
+[dir=rtl] #sidebar-toggle-anchor:not(:checked) ~ .sidebar {
+ transform: translateX(var(--sidebar-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(var(--sidebar-width));
+}
+[dir=rtl] #sidebar-toggle-anchor:checked ~ .page-wrapper {
+ transform: translateX(calc(0px - var(--sidebar-width)));
+}
+@media only screen and (min-width: 620px) {
+ #sidebar-toggle-anchor:checked ~ .page-wrapper {
+ transform: none;
+ margin-inline-start: var(--sidebar-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/theme/css/general.css b/theme/css/general.css
new file mode 100644
index 0000000..e7d20da
--- /dev/null
+++ b/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/theme/css/print.css b/theme/css/print.css
new file mode 100644
index 0000000..dcf0ba6
--- /dev/null
+++ b/theme/css/print.css
@@ -0,0 +1,50 @@
+
+#sidebar,
+#menu-bar,
+.nav-chapters,
+.mobile-nav-chapters {
+ display: none;
+}
+
+#page-wrapper.page-wrapper {
+ transform: none;
+ 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/theme/fonts/OPEN-SANS-LICENSE.txt b/theme/fonts/OPEN-SANS-LICENSE.txt
new file mode 100644
index 0000000..d645695
--- /dev/null
+++ b/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,
+ and distribution as defined by Sections 1 through 9 of this document.
+
+ "Licensor" shall mean the copyright owner or entity authorized by
+ the copyright owner that is granting the License.
+
+ "Legal Entity" shall mean the union of the acting entity and all
+ other entities that control, are controlled by, or are under common
+ control with that entity. For the purposes of this definition,
+ "control" means (i) the power, direct or indirect, to cause the
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+ for any such Derivative Works as a whole, provided Your use,
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+ 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
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+ 6. Trademarks. This License does not grant permission to use the trade
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+ 7. Disclaimer of Warranty. Unless required by applicable law or
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+ risks associated with Your exercise of permissions under this License.
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+ 8. Limitation of Liability. In no event and under no legal theory,
+ whether in tort (including negligence), contract, or otherwise,
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+ on Your own behalf and on Your sole responsibility, not on behalf
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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.
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+ Unless required by applicable law or agreed to in writing, software
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+ See the License for the specific language governing permissions and
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diff --git a/theme/fonts/SOURCE-CODE-PRO-LICENSE.txt b/theme/fonts/SOURCE-CODE-PRO-LICENSE.txt
new file mode 100644
index 0000000..366206f
--- /dev/null
+++ b/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/theme/fonts/fonts.css b/theme/fonts/fonts.css
new file mode 100644
index 0000000..858efa5
--- /dev/null
+++ b/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/theme/fonts/open-sans-v17-all-charsets-300.woff2 b/theme/fonts/open-sans-v17-all-charsets-300.woff2
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diff --git a/theme/fonts/open-sans-v17-all-charsets-italic.woff2 b/theme/fonts/open-sans-v17-all-charsets-italic.woff2
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diff --git a/theme/fonts/open-sans-v17-all-charsets-regular.woff2 b/theme/fonts/open-sans-v17-all-charsets-regular.woff2
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diff --git a/theme/fonts/source-code-pro-v11-all-charsets-500.woff2 b/theme/fonts/source-code-pro-v11-all-charsets-500.woff2
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diff --git a/theme/highlight.css b/theme/highlight.css
new file mode 100644
index 0000000..ba57b82
--- /dev/null
+++ b/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/theme/highlight.js b/theme/highlight.js
new file mode 100644
index 0000000..180385b
--- /dev/null
+++ b/theme/highlight.js
@@ -0,0 +1,6 @@
+/*
+ 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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