Fix Learn theme addition to git

2023-05-24 18:17:12 +02:00
parent 56f3665299
commit 8abec325d5
239 changed files with 10525 additions and 1 deletions
--- a/themes/learn/static/css/atom-one-dark-reasonable.css
+++ b/themes/learn/static/css/atom-one-dark-reasonable.css
@ -0,0 +1,77 @@
+/*
+
+Atom One Dark With support for ReasonML by Gidi Morris, based off work by Daniel Gamage
+
+Original One Dark Syntax theme from https://github.com/atom/one-dark-syntax
+
+*/
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  line-height: 1.3em;
+  color: #abb2bf;
+  background: #282c34;
+  border-radius: 5px;
+}
+.hljs-keyword, .hljs-operator {
+  color: #F92672;
+}
+.hljs-pattern-match {
+  color: #F92672;
+}
+.hljs-pattern-match .hljs-constructor {
+  color: #61aeee;
+}
+.hljs-function {
+  color: #61aeee;
+}
+.hljs-function .hljs-params {
+  color: #A6E22E;
+}
+.hljs-function .hljs-params .hljs-typing {
+  color: #FD971F;
+}
+.hljs-module-access .hljs-module {
+  color: #7e57c2;
+}
+.hljs-constructor {
+  color: #e2b93d;
+}
+.hljs-constructor .hljs-string {
+  color: #9CCC65;
+}
+.hljs-comment, .hljs-quote {
+  color: #b18eb1;
+  font-style: italic;
+}
+.hljs-doctag, .hljs-formula {
+  color: #c678dd;
+}
+.hljs-section, .hljs-name, .hljs-selector-tag, .hljs-deletion, .hljs-subst {
+  color: #e06c75;
+}
+.hljs-literal {
+  color: #56b6c2;
+}
+.hljs-string, .hljs-regexp, .hljs-addition, .hljs-attribute, .hljs-meta-string {
+  color: #98c379;
+}
+.hljs-built_in, .hljs-class .hljs-title {
+  color: #e6c07b;
+}
+.hljs-attr, .hljs-variable, .hljs-template-variable, .hljs-type, .hljs-selector-class, .hljs-selector-attr, .hljs-selector-pseudo, .hljs-number {
+  color: #d19a66;
+}
+.hljs-symbol, .hljs-bullet, .hljs-link, .hljs-meta, .hljs-selector-id, .hljs-title {
+  color: #61aeee;
+}
+.hljs-emphasis {
+  font-style: italic;
+}
+.hljs-strong {
+  font-weight: bold;
+}
+.hljs-link {
+  text-decoration: underline;
+}
--- a/themes/learn/static/css/auto-complete.css
+++ b/themes/learn/static/css/auto-complete.css
@ -0,0 +1,47 @@
+.autocomplete-suggestions {
+    text-align: left;
+    cursor: default;
+    border: 1px solid #ccc;
+    border-top: 0;
+    background: #fff;
+    box-shadow: -1px 1px 3px rgba(0,0,0,.1);
+
+    /* core styles should not be changed */
+    position: absolute;
+    display: none;
+    z-index: 9999;
+    max-height: 254px;
+    overflow: hidden;
+    overflow-y: auto;
+    box-sizing: border-box;
+    
+}
+.autocomplete-suggestion {
+    position: relative;
+    cursor: pointer;
+    padding: 7px;
+    line-height: 23px;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    color: #333;
+}
+
+.autocomplete-suggestion b {
+    font-weight: normal;
+    color: #1f8dd6;
+}
+
+.autocomplete-suggestion.selected {
+    background: #333;
+    color: #fff;
+}
+
+.autocomplete-suggestion:hover {
+    background: #444;
+    color: #fff;
+}
+
+.autocomplete-suggestion > .context {
+    font-size: 12px;
+}
--- a/themes/learn/static/css/featherlight.min.css
+++ b/themes/learn/static/css/featherlight.min.css
@ -0,0 +1,8 @@
+/**
+ * Featherlight - ultra slim jQuery lightbox
+ * Version 1.7.13 - http://noelboss.github.io/featherlight/
+ *
+ * Copyright 2018, Noël Raoul Bossart (http://www.noelboss.com)
+ * MIT Licensed.
+**/
+html.with-featherlight{overflow:hidden}.featherlight{display:none;position:fixed;top:0;right:0;bottom:0;left:0;z-index:2147483647;text-align:center;white-space:nowrap;cursor:pointer;background:#333;background:rgba(0,0,0,0)}.featherlight:last-of-type{background:rgba(0,0,0,.8)}.featherlight:before{content:'';display:inline-block;height:100%;vertical-align:middle}.featherlight .featherlight-content{position:relative;text-align:left;vertical-align:middle;display:inline-block;overflow:auto;padding:25px 25px 0;border-bottom:25px solid transparent;margin-left:5%;margin-right:5%;max-height:95%;background:#fff;cursor:auto;white-space:normal}.featherlight .featherlight-inner{display:block}.featherlight link.featherlight-inner,.featherlight script.featherlight-inner,.featherlight style.featherlight-inner{display:none}.featherlight .featherlight-close-icon{position:absolute;z-index:9999;top:0;right:0;line-height:25px;width:25px;cursor:pointer;text-align:center;font-family:Arial,sans-serif;background:#fff;background:rgba(255,255,255,.3);color:#000;border:0;padding:0}.featherlight .featherlight-close-icon::-moz-focus-inner{border:0;padding:0}.featherlight .featherlight-image{width:100%}.featherlight-iframe .featherlight-content{border-bottom:0;padding:0;-webkit-overflow-scrolling:touch}.featherlight iframe{border:0}.featherlight *{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}@media only screen and (max-width:1024px){.featherlight .featherlight-content{margin-left:0;margin-right:0;max-height:98%;padding:10px 10px 0;border-bottom:10px solid transparent}}@media print{html.with-featherlight>*>:not(.featherlight){display:none}}
--- a/themes/learn/static/css/fontawesome-all.min.css
+++ b/themes/learn/static/css/fontawesome-all.min.css
--- a/themes/learn/static/css/hugo-theme.css
+++ b/themes/learn/static/css/hugo-theme.css
@ -0,0 +1,241 @@
+/* Insert here special css for hugo theme, on top of any other imported css */
+
+
+/* Table of contents */
+
+.progress ul {
+  list-style: none;
+  margin: 0;
+  padding: 0 15px;
+}
+
+#TableOfContents {
+    font-size: 13px !important;
+    max-height: 85vh;
+    overflow: auto;
+    padding: 15px 5px !important;
+}
+
+#TableOfContents > ul > li > a {
+  font-weight: bold;
+}
+
+body {
+    font-size: 16px !important;
+    color: #323232 !important;
+}
+
+#body a.highlight, #body a.highlight:hover, #body a.highlight:focus {
+    text-decoration: none;
+    outline: none;
+    outline: 0;
+}
+#body a.highlight {
+    line-height: 1.1;
+    display: inline-block;
+}
+#body a.highlight:after {
+    display: block;
+    content: "";
+    height: 1px;
+    width: 0%;
+    background-color: #0082a7; /*#CE3B2F*/
+    -webkit-transition: width 0.5s ease;
+    -moz-transition: width 0.5s ease;
+    -ms-transition: width 0.5s ease;
+    transition: width 0.5s ease;
+}
+#body a.highlight:hover:after, #body a.highlight:focus:after {
+    width: 100%;
+}
+.progress {
+    position:absolute;
+    background-color: rgba(246, 246, 246, 0.97);
+    width: auto;
+    border: thin solid #ECECEC;
+    display:none;
+    z-index:200;
+}
+
+#toc-menu {
+  border-right: thin solid #DAD8D8 !important;
+  padding-right: 1rem !important;
+  margin-right: 0.5rem !important;
+}
+
+#sidebar-toggle-span {
+  border-right: thin solid #DAD8D8 !important;
+  padding-right: 0.5rem !important;
+  margin-right: 1rem !important;
+}
+
+.btn {
+  display: inline-block !important;
+  padding: 6px 12px !important;
+  margin-bottom: 0 !important;
+  font-size: 14px !important;
+  font-weight: normal !important;
+  line-height: 1.42857143 !important;
+  text-align: center !important;
+  white-space: nowrap !important;
+  vertical-align: middle !important;
+  -ms-touch-action: manipulation !important;
+      touch-action: manipulation !important;
+  cursor: pointer !important;
+  -webkit-user-select: none !important;
+     -moz-user-select: none !important;
+      -ms-user-select: none !important;
+          user-select: none !important;
+  background-image: none !important;
+  border: 1px solid transparent !important;
+  border-radius: 4px !important;
+  -webkit-transition: all 0.15s !important;
+     -moz-transition: all 0.15s !important;
+          transition: all 0.15s !important;
+}
+.btn:focus {
+  /*outline: thin dotted;
+  outline: 5px auto -webkit-focus-ring-color;
+  outline-offset: -2px;*/
+  outline: none !important;
+}
+.btn:hover,
+.btn:focus {
+  color: #2b2b2b !important;
+  text-decoration: none !important;
+}
+
+.btn-default {
+  color: #333 !important;
+  background-color: #fff !important;
+  border-color: #ccc !important;
+}
+.btn-default:hover,
+.btn-default:focus,
+.btn-default:active {
+  color: #fff !important;
+  background-color: #9e9e9e !important;
+  border-color: #9e9e9e !important;
+}
+.btn-default:active {
+  background-image: none !important;
+}
+
+/* anchors */
+.anchor {
+  color: #00bdf3;
+  font-size: 0.5em;
+  cursor:pointer;
+  visibility:hidden;
+  margin-left: 0.5em;
+    position: absolute;
+    margin-top:0.1em;
+}
+
+h2:hover .anchor, h3:hover .anchor, h4:hover .anchor, h5:hover .anchor, h6:hover .anchor {
+  visibility:visible;
+}
+
+/* Redfines headers style */
+
+h2, h3, h4, h5, h6 {
+  font-weight: 400;
+  line-height: 1.1;
+}
+
+h1 a, h2 a, h3 a, h4 a, h5 a, h6 a {
+  font-weight: inherit;
+}
+
+h2 {
+  font-size: 2.5rem;
+  line-height: 110% !important;
+  margin: 2.5rem 0 1.5rem 0;
+}
+
+h3 {
+  font-size: 2rem;
+  line-height: 110% !important;
+  margin: 2rem 0 1rem 0;
+}
+
+h4 {
+  font-size: 1.5rem;
+  line-height: 110% !important;
+  margin: 1.5rem 0 0.75rem 0;
+}
+
+h5 {
+  font-size: 1rem;
+  line-height: 110% !important;
+  margin: 1rem 0 0.2rem 0;
+}
+
+h6 {
+  font-size: 0.5rem;
+  line-height: 110% !important;
+  margin: 0.5rem 0 0.2rem 0;
+}
+
+p {
+    margin: 1rem 0;
+}
+
+figcaption h4 {
+    font-weight: 300 !important;
+    opacity: .85;
+    font-size: 1em;
+    text-align: center;
+    margin-top: -1.5em;
+}
+
+.select-style {
+    border: 0;
+    width: 150px;
+    border-radius: 0px;
+    overflow: hidden;
+    display: inline-flex;
+}
+
+.select-style svg {
+    fill: #ccc;
+    width: 14px;
+    height: 14px;
+    pointer-events: none;
+    margin: auto;
+}
+
+.select-style svg:hover {
+  fill: #e6e6e6;
+}
+
+.select-style select {
+    padding: 0;
+    width: 130%;
+    border: none;
+    box-shadow: none;
+    background: transparent;
+    background-image: none;
+    -webkit-appearance: none;
+    margin: auto;
+    margin-left: 0px;
+    margin-right: -20px;
+}
+
+.select-style select:focus {
+    outline: none;
+}
+
+.select-style :hover {
+    cursor:  pointer;
+}
+
+@media only all and (max-width: 47.938em) {
+  #breadcrumbs .links, #top-github-link-text {
+      display: none;
+  }
+}
+
+.is-sticky #top-bar {
+  box-shadow: -1px 2px 5px 1px rgba(0, 0, 0, 0.1); 
+}
--- a/themes/learn/static/css/hybrid.css
+++ b/themes/learn/static/css/hybrid.css
@ -0,0 +1,102 @@
+/*
+
+vim-hybrid theme by w0ng (https://github.com/w0ng/vim-hybrid)
+
+*/
+
+/*background color*/
+.hljs {
+  display: block;
+  overflow-x: auto;
+  padding: 0.5em;
+  background: #1d1f21;
+}
+
+/*selection color*/
+.hljs::selection,
+.hljs span::selection {
+  background: #373b41;
+}
+
+.hljs::-moz-selection,
+.hljs span::-moz-selection {
+  background: #373b41;
+}
+
+/*foreground color*/
+.hljs {
+  color: #c5c8c6;
+}
+
+/*color: fg_yellow*/
+.hljs-title,
+.hljs-name {
+  color: #f0c674;
+}
+
+/*color: fg_comment*/
+.hljs-comment,
+.hljs-meta,
+.hljs-meta .hljs-keyword {
+  color: #707880;
+}
+
+/*color: fg_red*/
+.hljs-number,
+.hljs-symbol,
+.hljs-literal,
+.hljs-deletion,
+.hljs-link {
+ color: #cc6666
+}
+
+/*color: fg_green*/
+.hljs-string,
+.hljs-doctag,
+.hljs-addition,
+.hljs-regexp,
+.hljs-selector-attr,
+.hljs-selector-pseudo {
+  color: #b5bd68;
+}
+
+/*color: fg_purple*/
+.hljs-attribute,
+.hljs-code,
+.hljs-selector-id {
+ color: #b294bb;
+}
+
+/*color: fg_blue*/
+.hljs-keyword,
+.hljs-selector-tag,
+.hljs-bullet,
+.hljs-tag {
+ color: #81a2be;
+}
+
+/*color: fg_aqua*/
+.hljs-subst,
+.hljs-variable,
+.hljs-template-tag,
+.hljs-template-variable {
+  color: #8abeb7;
+}
+
+/*color: fg_orange*/
+.hljs-type,
+.hljs-built_in,
+.hljs-builtin-name,
+.hljs-quote,
+.hljs-section,
+.hljs-selector-class {
+  color: #de935f;
+}
+
+.hljs-emphasis {
+  font-style: italic;
+}
+
+.hljs-strong {
+  font-weight: bold;
+}
--- a/themes/learn/static/css/nucleus.css
+++ b/themes/learn/static/css/nucleus.css
@ -0,0 +1,615 @@
+*, *::before, *::after {
+  -webkit-box-sizing: border-box;
+  -moz-box-sizing: border-box;
+  box-sizing: border-box; }
+
+@-webkit-viewport {
+  width: device-width; }
+@-moz-viewport {
+  width: device-width; }
+@-ms-viewport {
+  width: device-width; }
+@-o-viewport {
+  width: device-width; }
+@viewport {
+  width: device-width; }
+html {
+  font-size: 100%;
+  -ms-text-size-adjust: 100%;
+  -webkit-text-size-adjust: 100%; }
+
+body {
+  margin: 0; }
+
+article,
+aside,
+details,
+figcaption,
+figure,
+footer,
+header,
+hgroup,
+main,
+nav,
+section,
+summary {
+  display: block; }
+
+audio,
+canvas,
+progress,
+video {
+  display: inline-block;
+  vertical-align: baseline; }
+
+audio:not([controls]) {
+  display: none;
+  height: 0; }
+
+[hidden],
+template {
+  display: none; }
+
+a {
+  background: transparent;
+  text-decoration: none; }
+
+a:active,
+a:hover {
+  outline: 0; }
+
+abbr[title] {
+  border-bottom: 1px dotted; }
+
+b,
+strong {
+  font-weight: bold; }
+
+dfn {
+  font-style: italic; }
+
+mark {
+  background: #FFFF27;
+  color: #333; }
+
+sub,
+sup {
+  font-size: 0.8rem;
+  line-height: 0;
+  position: relative;
+  vertical-align: baseline; }
+
+sup {
+  top: -0.5em; }
+
+sub {
+  bottom: -0.25em; }
+
+img {
+  border: 0;
+  max-width: 100%; }
+
+svg:not(:root) {
+  overflow: hidden; }
+
+figure {
+  margin: 1em 40px; }
+
+hr {
+  height: 0; }
+
+pre {
+  overflow: auto; }
+
+button,
+input,
+optgroup,
+select,
+textarea {
+  color: inherit;
+  font: inherit;
+  margin: 0; }
+
+button {
+  overflow: visible; }
+
+button,
+select {
+  text-transform: none; }
+
+button,
+html input[type="button"],
+input[type="reset"],
+input[type="submit"] {
+  -webkit-appearance: button;
+  cursor: pointer; }
+
+button[disabled],
+html input[disabled] {
+  cursor: default; }
+
+button::-moz-focus-inner,
+input::-moz-focus-inner {
+  border: 0;
+  padding: 0; }
+
+input {
+  line-height: normal; }
+
+input[type="checkbox"],
+input[type="radio"] {
+  padding: 0; }
+
+input[type="number"]::-webkit-inner-spin-button,
+input[type="number"]::-webkit-outer-spin-button {
+  height: auto; }
+
+input[type="search"] {
+  -webkit-appearance: textfield; }
+
+input[type="search"]::-webkit-search-cancel-button,
+input[type="search"]::-webkit-search-decoration {
+  -webkit-appearance: none; }
+
+legend {
+  border: 0;
+  padding: 0; }
+
+textarea {
+  overflow: auto; }
+
+optgroup {
+  font-weight: bold; }
+
+table {
+  border-collapse: collapse;
+  border-spacing: 0;
+  table-layout: fixed;
+  width: 100%; }
+
+tr, td, th {
+  vertical-align: middle; }
+
+th, td {
+  padding: 0.425rem 0; }
+
+th {
+  text-align: left; }
+
+.container {
+  width: 75em;
+  margin: 0 auto;
+  padding: 0; }
+  @media only all and (min-width: 60em) and (max-width: 74.938em) {
+    .container {
+      width: 60em; } }
+  @media only all and (min-width: 48em) and (max-width: 59.938em) {
+    .container {
+      width: 48em; } }
+  @media only all and (min-width: 30.063em) and (max-width: 47.938em) {
+    .container {
+      width: 30em; } }
+  @media only all and (max-width: 30em) {
+    .container {
+      width: 100%; } }
+
+.grid {
+  display: -webkit-box;
+  display: -moz-box;
+  display: box;
+  display: -webkit-flex;
+  display: -moz-flex;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-flex-flow: row;
+  -moz-flex-flow: row;
+  flex-flow: row;
+  list-style: none;
+  margin: 0;
+  padding: 0; }
+  @media only all and (max-width: 47.938em) {
+    .grid {
+      -webkit-flex-flow: row wrap;
+      -moz-flex-flow: row wrap;
+      flex-flow: row wrap; } }
+
+.block {
+  -webkit-box-flex: 1;
+  -moz-box-flex: 1;
+  box-flex: 1;
+  -webkit-flex: 1;
+  -moz-flex: 1;
+  -ms-flex: 1;
+  flex: 1;
+  min-width: 0;
+  min-height: 0; }
+  @media only all and (max-width: 47.938em) {
+    .block {
+      -webkit-box-flex: 0;
+      -moz-box-flex: 0;
+      box-flex: 0;
+      -webkit-flex: 0 100%;
+      -moz-flex: 0 100%;
+      -ms-flex: 0 100%;
+      flex: 0 100%; } }
+
+.content {
+  margin: 0.625rem;
+  padding: 0.938rem; }
+
+@media only all and (max-width: 47.938em) {
+  body [class*="size-"] {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 100%;
+    -moz-flex: 0 100%;
+    -ms-flex: 0 100%;
+    flex: 0 100%; } }
+
+.size-1-2 {
+  -webkit-box-flex: 0;
+  -moz-box-flex: 0;
+  box-flex: 0;
+  -webkit-flex: 0 50%;
+  -moz-flex: 0 50%;
+  -ms-flex: 0 50%;
+  flex: 0 50%; }
+
+.size-1-3 {
+  -webkit-box-flex: 0;
+  -moz-box-flex: 0;
+  box-flex: 0;
+  -webkit-flex: 0 33.33333%;
+  -moz-flex: 0 33.33333%;
+  -ms-flex: 0 33.33333%;
+  flex: 0 33.33333%; }
+
+.size-1-4 {
+  -webkit-box-flex: 0;
+  -moz-box-flex: 0;
+  box-flex: 0;
+  -webkit-flex: 0 25%;
+  -moz-flex: 0 25%;
+  -ms-flex: 0 25%;
+  flex: 0 25%; }
+
+.size-1-5 {
+  -webkit-box-flex: 0;
+  -moz-box-flex: 0;
+  box-flex: 0;
+  -webkit-flex: 0 20%;
+  -moz-flex: 0 20%;
+  -ms-flex: 0 20%;
+  flex: 0 20%; }
+
+.size-1-6 {
+  -webkit-box-flex: 0;
+  -moz-box-flex: 0;
+  box-flex: 0;
+  -webkit-flex: 0 16.66667%;
+  -moz-flex: 0 16.66667%;
+  -ms-flex: 0 16.66667%;
+  flex: 0 16.66667%; }
+
+.size-1-7 {
+  -webkit-box-flex: 0;
+  -moz-box-flex: 0;
+  box-flex: 0;
+  -webkit-flex: 0 14.28571%;
+  -moz-flex: 0 14.28571%;
+  -ms-flex: 0 14.28571%;
+  flex: 0 14.28571%; }
+
+.size-1-8 {
+  -webkit-box-flex: 0;
+  -moz-box-flex: 0;
+  box-flex: 0;
+  -webkit-flex: 0 12.5%;
+  -moz-flex: 0 12.5%;
+  -ms-flex: 0 12.5%;
+  flex: 0 12.5%; }
+
+.size-1-9 {
+  -webkit-box-flex: 0;
+  -moz-box-flex: 0;
+  box-flex: 0;
+  -webkit-flex: 0 11.11111%;
+  -moz-flex: 0 11.11111%;
+  -ms-flex: 0 11.11111%;
+  flex: 0 11.11111%; }
+
+.size-1-10 {
+  -webkit-box-flex: 0;
+  -moz-box-flex: 0;
+  box-flex: 0;
+  -webkit-flex: 0 10%;
+  -moz-flex: 0 10%;
+  -ms-flex: 0 10%;
+  flex: 0 10%; }
+
+.size-1-11 {
+  -webkit-box-flex: 0;
+  -moz-box-flex: 0;
+  box-flex: 0;
+  -webkit-flex: 0 9.09091%;
+  -moz-flex: 0 9.09091%;
+  -ms-flex: 0 9.09091%;
+  flex: 0 9.09091%; }
+
+.size-1-12 {
+  -webkit-box-flex: 0;
+  -moz-box-flex: 0;
+  box-flex: 0;
+  -webkit-flex: 0 8.33333%;
+  -moz-flex: 0 8.33333%;
+  -ms-flex: 0 8.33333%;
+  flex: 0 8.33333%; }
+
+@media only all and (min-width: 48em) and (max-width: 59.938em) {
+  .size-tablet-1-2 {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 50%;
+    -moz-flex: 0 50%;
+    -ms-flex: 0 50%;
+    flex: 0 50%; }
+
+  .size-tablet-1-3 {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 33.33333%;
+    -moz-flex: 0 33.33333%;
+    -ms-flex: 0 33.33333%;
+    flex: 0 33.33333%; }
+
+  .size-tablet-1-4 {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 25%;
+    -moz-flex: 0 25%;
+    -ms-flex: 0 25%;
+    flex: 0 25%; }
+
+  .size-tablet-1-5 {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 20%;
+    -moz-flex: 0 20%;
+    -ms-flex: 0 20%;
+    flex: 0 20%; }
+
+  .size-tablet-1-6 {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 16.66667%;
+    -moz-flex: 0 16.66667%;
+    -ms-flex: 0 16.66667%;
+    flex: 0 16.66667%; }
+
+  .size-tablet-1-7 {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 14.28571%;
+    -moz-flex: 0 14.28571%;
+    -ms-flex: 0 14.28571%;
+    flex: 0 14.28571%; }
+
+  .size-tablet-1-8 {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 12.5%;
+    -moz-flex: 0 12.5%;
+    -ms-flex: 0 12.5%;
+    flex: 0 12.5%; }
+
+  .size-tablet-1-9 {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 11.11111%;
+    -moz-flex: 0 11.11111%;
+    -ms-flex: 0 11.11111%;
+    flex: 0 11.11111%; }
+
+  .size-tablet-1-10 {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 10%;
+    -moz-flex: 0 10%;
+    -ms-flex: 0 10%;
+    flex: 0 10%; }
+
+  .size-tablet-1-11 {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 9.09091%;
+    -moz-flex: 0 9.09091%;
+    -ms-flex: 0 9.09091%;
+    flex: 0 9.09091%; }
+
+  .size-tablet-1-12 {
+    -webkit-box-flex: 0;
+    -moz-box-flex: 0;
+    box-flex: 0;
+    -webkit-flex: 0 8.33333%;
+    -moz-flex: 0 8.33333%;
+    -ms-flex: 0 8.33333%;
+    flex: 0 8.33333%; } }
+@media only all and (max-width: 47.938em) {
+  @supports not (flex-wrap: wrap) {
+    .grid {
+      display: block;
+      -webkit-box-lines: inherit;
+      -moz-box-lines: inherit;
+      box-lines: inherit;
+      -webkit-flex-wrap: inherit;
+      -moz-flex-wrap: inherit;
+      -ms-flex-wrap: inherit;
+      flex-wrap: inherit; }
+
+    .block {
+      display: block;
+      -webkit-box-flex: inherit;
+      -moz-box-flex: inherit;
+      box-flex: inherit;
+      -webkit-flex: inherit;
+      -moz-flex: inherit;
+      -ms-flex: inherit;
+      flex: inherit; } } }
+.first-block {
+  -webkit-box-ordinal-group: 0;
+  -webkit-order: -1;
+  -ms-flex-order: -1;
+  order: -1; }
+
+.last-block {
+  -webkit-box-ordinal-group: 2;
+  -webkit-order: 1;
+  -ms-flex-order: 1;
+  order: 1; }
+
+.fixed-blocks {
+  -webkit-flex-flow: row wrap;
+  -moz-flex-flow: row wrap;
+  flex-flow: row wrap; }
+  .fixed-blocks .block {
+    -webkit-box-flex: inherit;
+    -moz-box-flex: inherit;
+    box-flex: inherit;
+    -webkit-flex: inherit;
+    -moz-flex: inherit;
+    -ms-flex: inherit;
+    flex: inherit;
+    width: 25%; }
+    @media only all and (min-width: 60em) and (max-width: 74.938em) {
+      .fixed-blocks .block {
+        width: 33.33333%; } }
+    @media only all and (min-width: 48em) and (max-width: 59.938em) {
+      .fixed-blocks .block {
+        width: 50%; } }
+    @media only all and (max-width: 47.938em) {
+      .fixed-blocks .block {
+        width: 100%; } }
+
+body {
+  font-size: 1.05rem;
+  line-height: 1.7; }
+
+h1, h2, h3, h4, h5, h6 {
+  margin: 0.85rem 0 1.7rem 0;
+  text-rendering: optimizeLegibility; }
+
+h1 {
+  font-size: 3.25rem; }
+
+h2 {
+  font-size: 2.55rem; }
+
+h3 {
+  font-size: 2.15rem; }
+
+h4 {
+  font-size: 1.8rem; }
+
+h5 {
+  font-size: 1.4rem; }
+
+h6 {
+  font-size: 0.9rem; }
+
+p {
+  margin: 1.7rem 0; }
+
+ul, ol {
+  margin-top: 1.7rem;
+  margin-bottom: 1.7rem; }
+  ul ul, ul ol, ol ul, ol ol {
+    margin-top: 0;
+    margin-bottom: 0; }
+
+blockquote {
+  margin: 1.7rem 0;
+  padding-left: 0.85rem; }
+
+cite {
+  display: block;
+  font-size: 0.925rem; }
+  cite:before {
+    content: "\2014 \0020"; }
+
+pre {
+  margin: 1.7rem 0;
+  padding: 0.938rem; }
+
+code {
+  vertical-align: bottom; }
+
+small {
+  font-size: 0.925rem; }
+
+hr {
+  border-left: none;
+  border-right: none;
+  border-top: none;
+  margin: 1.7rem 0; }
+
+fieldset {
+  border: 0;
+  padding: 0.938rem;
+  margin: 0 0 1.7rem 0; }
+
+input,
+label,
+select {
+  display: block; }
+
+label {
+  margin-bottom: 0.425rem; }
+  label.required:after {
+    content: "*"; }
+  label abbr {
+    display: none; }
+
+textarea, input[type="email"], input[type="number"], input[type="password"], input[type="search"], input[type="tel"], input[type="text"], input[type="url"], input[type="color"], input[type="date"], input[type="datetime"], input[type="datetime-local"], input[type="month"], input[type="time"], input[type="week"], select[multiple=multiple] {
+  -webkit-transition: border-color;
+  -moz-transition: border-color;
+  transition: border-color;
+  border-radius: 0.1875rem;
+  margin-bottom: 0.85rem;
+  padding: 0.425rem 0.425rem;
+  width: 100%; }
+  textarea:focus, input[type="email"]:focus, input[type="number"]:focus, input[type="password"]:focus, input[type="search"]:focus, input[type="tel"]:focus, input[type="text"]:focus, input[type="url"]:focus, input[type="color"]:focus, input[type="date"]:focus, input[type="datetime"]:focus, input[type="datetime-local"]:focus, input[type="month"]:focus, input[type="time"]:focus, input[type="week"]:focus, select[multiple=multiple]:focus {
+    outline: none; }
+
+textarea {
+  resize: vertical; }
+
+input[type="checkbox"], input[type="radio"] {
+  display: inline;
+  margin-right: 0.425rem; }
+
+input[type="file"] {
+  width: 100%; }
+
+select {
+  width: auto;
+  max-width: 100%;
+  margin-bottom: 1.7rem; }
+
+button,
+input[type="submit"] {
+  cursor: pointer;
+  user-select: none;
+  vertical-align: middle;
+  white-space: nowrap;
+  border: inherit; }
--- a/themes/learn/static/css/perfect-scrollbar.min.css
+++ b/themes/learn/static/css/perfect-scrollbar.min.css
@ -0,0 +1,2 @@
+/* perfect-scrollbar v0.6.13 */
+.ps-container{-ms-touch-action:auto;touch-action:auto;overflow:hidden !important;-ms-overflow-style:none}@supports (-ms-overflow-style: none){.ps-container{overflow:auto !important}}@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none){.ps-container{overflow:auto !important}}.ps-container.ps-active-x>.ps-scrollbar-x-rail,.ps-container.ps-active-y>.ps-scrollbar-y-rail{display:block;background-color:transparent}.ps-container.ps-in-scrolling.ps-x>.ps-scrollbar-x-rail{background-color:#eee;opacity:.9}.ps-container.ps-in-scrolling.ps-x>.ps-scrollbar-x-rail>.ps-scrollbar-x{background-color:#999;height:11px}.ps-container.ps-in-scrolling.ps-y>.ps-scrollbar-y-rail{background-color:#eee;opacity:.9}.ps-container.ps-in-scrolling.ps-y>.ps-scrollbar-y-rail>.ps-scrollbar-y{background-color:#999;width:11px}.ps-container>.ps-scrollbar-x-rail{display:none;position:absolute;opacity:0;-webkit-transition:background-color .2s linear, opacity .2s linear;-o-transition:background-color .2s linear, opacity .2s linear;-moz-transition:background-color .2s linear, opacity .2s linear;transition:background-color .2s linear, opacity .2s linear;bottom:0px;height:15px}.ps-container>.ps-scrollbar-x-rail>.ps-scrollbar-x{position:absolute;background-color:#aaa;-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px;-webkit-transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, -webkit-border-radius .2s ease-in-out;transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, -webkit-border-radius .2s ease-in-out;-o-transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out;-moz-transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out, -moz-border-radius .2s ease-in-out;transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out;transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out, -webkit-border-radius .2s ease-in-out, -moz-border-radius .2s ease-in-out;bottom:2px;height:6px}.ps-container>.ps-scrollbar-x-rail:hover>.ps-scrollbar-x,.ps-container>.ps-scrollbar-x-rail:active>.ps-scrollbar-x{height:11px}.ps-container>.ps-scrollbar-y-rail{display:none;position:absolute;opacity:0;-webkit-transition:background-color .2s linear, opacity .2s linear;-o-transition:background-color .2s linear, opacity .2s linear;-moz-transition:background-color .2s linear, opacity .2s linear;transition:background-color .2s linear, opacity .2s linear;right:0;width:15px}.ps-container>.ps-scrollbar-y-rail>.ps-scrollbar-y{position:absolute;background-color:#aaa;-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px;-webkit-transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, -webkit-border-radius .2s ease-in-out;transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, -webkit-border-radius .2s ease-in-out;-o-transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out;-moz-transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out, -moz-border-radius .2s ease-in-out;transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out;transition:background-color .2s linear, height .2s linear, width .2s ease-in-out, border-radius .2s ease-in-out, -webkit-border-radius .2s ease-in-out, -moz-border-radius .2s ease-in-out;right:2px;width:6px}.ps-container>.ps-scrollbar-y-rail:hover>.ps-scrollbar-y,.ps-container>.ps-scrollbar-y-rail:active>.ps-scrollbar-y{width:11px}.ps-container:hover.ps-in-scrolling.ps-x>.ps-scrollbar-x-rail{background-color:#eee;opacity:.9}.ps-container:hover.ps-in-scrolling.ps-x>.ps-scrollbar-x-rail>.ps-scrollbar-x{background-color:#999;height:11px}.ps-container:hover.ps-in-scrolling.ps-y>.ps-scrollbar-y-rail{background-color:#eee;opacity:.9}.ps-container:hover.ps-in-scrolling.ps-y>.ps-scrollbar-y-rail>.ps-scrollbar-y{background-color:#999;width:11px}.ps-container:hover>.ps-scrollbar-x-rail,.ps-container:hover>.ps-scrollbar-y-rail{opacity:.6}.ps-container:hover>.ps-scrollbar-x-rail:hover{background-color:#eee;opacity:.9}.ps-container:hover>.ps-scrollbar-x-rail:hover>.ps-scrollbar-x{background-color:#999}.ps-container:hover>.ps-scrollbar-y-rail:hover{background-color:#eee;opacity:.9}.ps-container:hover>.ps-scrollbar-y-rail:hover>.ps-scrollbar-y{background-color:#999}
--- a/themes/learn/static/css/tabs.css
+++ b/themes/learn/static/css/tabs.css
@ -0,0 +1,43 @@
+#body .tab-nav-button {
+    border-width: 1px 1px 1px 1px !important;
+    border-color: #ccc !important;
+    border-radius: 4px 4px 0 0 !important;
+    background-color: #ddd !important;
+    float: left;
+    display: block;
+    position: relative;
+    margin-left: 4px;
+    bottom: -1px;
+}
+#body .tab-nav-button:first-child {
+    margin-left: 0px;
+}
+#body .tab-nav-button.active {
+    background-color: #fff !important;
+    border-bottom-color: #fff !important;
+}
+
+#body .tab-panel {
+    margin-top: 32px;
+    margin-bottom: 32px;
+}
+#body .tab-content {
+    display: block;
+    clear: both;
+    padding: 8px;
+    border-width: 1px;
+    border-style: solid;
+    border-color: #ccc;
+}
+#body .tab-content .tab-item{
+    display: none;
+}
+
+#body .tab-content .tab-item.active{
+    display: block;
+}
+
+#body .tab-item pre{
+    margin-bottom: 0;
+    margin-top: 0;
+}
--- a/themes/learn/static/css/tags.css
+++ b/themes/learn/static/css/tags.css
@ -0,0 +1,49 @@
+/* Tags */
+
+#head-tags{
+    margin-left:1em;  
+    margin-top:1em;
+}
+  
+#body .tags a.tag-link {
+    display: inline-block;
+    line-height: 2em;
+    font-size: 0.8em;
+    position: relative;
+    margin: 0 16px 8px 0;
+    padding: 0 10px 0 12px;
+    background: #8451a1;    
+    
+    -webkit-border-bottom-right-radius: 3px;    
+    border-bottom-right-radius: 3px;
+    -webkit-border-top-right-radius: 3px;    
+    border-top-right-radius: 3px;
+
+    -webkit-box-shadow: 0 1px 2px rgba(0,0,0,0.2);
+    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
+    color: #fff;
+}
+  
+#body .tags a.tag-link:before {
+    content: "";
+    position: absolute;
+    top:0;
+    left: -1em;
+    width: 0;
+    height: 0;
+    border-color: transparent #8451a1 transparent transparent;
+    border-style: solid;
+    border-width: 1em 1em 1em 0;        
+}
+  
+#body .tags a.tag-link:after {
+    content: "";
+    position: absolute;
+    top: 10px;
+    left: 1px;
+    width: 5px;
+    height: 5px;
+    -webkit-border-radius: 50%;
+    border-radius: 100%;
+    background: #fff;    
+}
--- a/themes/learn/static/css/theme-blue.css
+++ b/themes/learn/static/css/theme-blue.css
@ -0,0 +1,128 @@
+
+:root{
+
+    --MAIN-TEXT-color:#323232; /* Color of text by default */
+    --MAIN-TITLES-TEXT-color: #5e5e5e; /* Color of titles h2-h3-h4-h5 */
+    --MAIN-LINK-color:#1C90F3; /* Color of links */
+    --MAIN-LINK-HOVER-color:#167ad0; /* Color of hovered links */
+    --MAIN-ANCHOR-color: #1C90F3; /* color of anchors on titles */
+
+    --MENU-HOME-LINK-color: #323232; /* Color of the home button text */
+    --MENU-HOME-LINK-HOVER-color: #5e5e5e; /* Color of the hovered home button text */
+
+    --MENU-HEADER-BG-color:#1C90F3; /* Background color of menu header */
+    --MENU-HEADER-BORDER-color:#33a1ff; /*Color of menu header border */
+
+    --MENU-SEARCH-BG-color:#167ad0; /* Search field background color (by default borders + icons) */
+    --MENU-SEARCH-BOX-color: #33a1ff; /* Override search field border color */
+    --MENU-SEARCH-BOX-ICONS-color: #a1d2fd; /* Override search field icons color */
+
+    --MENU-SECTIONS-ACTIVE-BG-color:#20272b; /* Background color of the active section and its childs */
+    --MENU-SECTIONS-BG-color:#252c31; /* Background color of other sections */
+    --MENU-SECTIONS-LINK-color: #ccc; /* Color of links in menu */
+    --MENU-SECTIONS-LINK-HOVER-color: #e6e6e6;  /* Color of links in menu, when hovered */
+    --MENU-SECTION-ACTIVE-CATEGORY-color: #777; /* Color of active category text */
+    --MENU-SECTION-ACTIVE-CATEGORY-BG-color: #fff; /* Color of background for the active category (only) */
+
+    --MENU-VISITED-color: #33a1ff; /* Color of 'page visited' icons in menu */
+    --MENU-SECTION-HR-color: #20272b; /* Color of <hr> separator in menu */
+
+}
+
+body {
+    color: var(--MAIN-TEXT-color) !important;
+}
+
+textarea:focus, input[type="email"]:focus, input[type="number"]:focus, input[type="password"]:focus, input[type="search"]:focus, input[type="tel"]:focus, input[type="text"]:focus, input[type="url"]:focus, input[type="color"]:focus, input[type="date"]:focus, input[type="datetime"]:focus, input[type="datetime-local"]:focus, input[type="month"]:focus, input[type="time"]:focus, input[type="week"]:focus, select[multiple=multiple]:focus {
+    border-color: none;
+    box-shadow: none;
+}
+
+h2, h3, h4, h5 {
+    color: var(--MAIN-TITLES-TEXT-color) !important;
+}
+
+a {
+    color: var(--MAIN-LINK-color);
+}
+
+.anchor {
+    color: var(--MAIN-ANCHOR-color);
+}
+
+a:hover {
+    color: var(--MAIN-LINK-HOVER-color);
+}
+
+#sidebar ul li.visited > a .read-icon {
+	color: var(--MENU-VISITED-color);
+}
+
+#body a.highlight:after {
+    display: block;
+    content: "";
+    height: 1px;
+    width: 0%;
+    -webkit-transition: width 0.5s ease;
+    -moz-transition: width 0.5s ease;
+    -ms-transition: width 0.5s ease;
+    transition: width 0.5s ease;
+    background-color: var(--MAIN-LINK-HOVER-color);
+}
+#sidebar {
+	background-color: var(--MENU-SECTIONS-BG-color);
+}
+#sidebar #header-wrapper {
+    background: var(--MENU-HEADER-BG-color);
+    color: var(--MENU-SEARCH-BOX-color);
+    border-color: var(--MENU-HEADER-BORDER-color);
+}
+#sidebar .searchbox {
+	border-color: var(--MENU-SEARCH-BOX-color);
+    background: var(--MENU-SEARCH-BG-color);
+}
+#sidebar ul.topics > li.parent, #sidebar ul.topics > li.active {
+    background: var(--MENU-SECTIONS-ACTIVE-BG-color);
+}
+#sidebar .searchbox * {
+    color: var(--MENU-SEARCH-BOX-ICONS-color);
+}
+
+#sidebar a {
+    color: var(--MENU-SECTIONS-LINK-color);
+}
+
+#sidebar a:hover {
+    color: var(--MENU-SECTIONS-LINK-HOVER-color);
+}
+
+#sidebar ul li.active > a {
+    background: var(--MENU-SECTION-ACTIVE-CATEGORY-BG-color);
+    color: var(--MENU-SECTION-ACTIVE-CATEGORY-color) !important;
+}
+
+#sidebar hr {
+    border-color: var(--MENU-SECTION-HR-color);
+}
+
+#body .tags a.tag-link {
+    background-color: var(--MENU-HEADER-BG-color);
+}
+
+#body .tags a.tag-link:before {
+    border-right-color: var(--MENU-HEADER-BG-color);
+}
+
+#homelinks {
+  background: var(--MENU-HEADER-BG-color);
+  background-color: var(--MENU-HEADER-BORDER-color);
+  border-bottom-color: var(--MENU-HEADER-BORDER-color);
+}
+
+#homelinks a {
+  color: var(--MENU-HOME-LINK-color);
+}
+
+#homelinks a:hover {
+  color: var(--MENU-HOME-LINK-HOVERED-color);
+}
--- a/themes/learn/static/css/theme-green.css
+++ b/themes/learn/static/css/theme-green.css
@ -0,0 +1,128 @@
+
+:root{
+
+    --MAIN-TEXT-color:#323232; /* Color of text by default */
+    --MAIN-TITLES-TEXT-color: #5e5e5e; /* Color of titles h2-h3-h4-h5 */
+    --MAIN-LINK-color:#599a3e; /* Color of links */
+    --MAIN-LINK-HOVER-color:#3f6d2c; /* Color of hovered links */
+    --MAIN-ANCHOR-color: #599a3e; /* color of anchors on titles */
+
+    --MENU-HOME-LINK-color: #323232; /* Color of the home button text */
+    --MENU-HOME-LINK-HOVER-color: #5e5e5e; /* Color of the hovered home button text */
+
+    --MENU-HEADER-BG-color:#74b559; /* Background color of menu header */
+    --MENU-HEADER-BORDER-color:#9cd484; /*Color of menu header border */
+
+    --MENU-SEARCH-BG-color:#599a3e; /* Search field background color (by default borders + icons) */
+    --MENU-SEARCH-BOX-color: #84c767; /* Override search field border color */
+    --MENU-SEARCH-BOX-ICONS-color: #c7f7c4; /* Override search field icons color */
+
+    --MENU-SECTIONS-ACTIVE-BG-color:#1b211c; /* Background color of the active section and its childs */
+    --MENU-SECTIONS-BG-color:#222723; /* Background color of other sections */
+    --MENU-SECTIONS-LINK-color: #ccc; /* Color of links in menu */
+    --MENU-SECTIONS-LINK-HOVER-color: #e6e6e6;  /* Color of links in menu, when hovered */
+    --MENU-SECTION-ACTIVE-CATEGORY-color: #777; /* Color of active category text */
+    --MENU-SECTION-ACTIVE-CATEGORY-BG-color: #fff; /* Color of background for the active category (only) */
+
+    --MENU-VISITED-color: #599a3e; /* Color of 'page visited' icons in menu */
+    --MENU-SECTION-HR-color: #18211c; /* Color of <hr> separator in menu */
+
+}
+
+body {
+    color: var(--MAIN-TEXT-color) !important;
+}
+
+textarea:focus, input[type="email"]:focus, input[type="number"]:focus, input[type="password"]:focus, input[type="search"]:focus, input[type="tel"]:focus, input[type="text"]:focus, input[type="url"]:focus, input[type="color"]:focus, input[type="date"]:focus, input[type="datetime"]:focus, input[type="datetime-local"]:focus, input[type="month"]:focus, input[type="time"]:focus, input[type="week"]:focus, select[multiple=multiple]:focus {
+    border-color: none;
+    box-shadow: none;
+}
+
+h2, h3, h4, h5 {
+    color: var(--MAIN-TITLES-TEXT-color) !important;
+}
+
+a {
+    color: var(--MAIN-LINK-color);
+}
+
+.anchor {
+    color: var(--MAIN-ANCHOR-color);
+}
+
+a:hover {
+    color: var(--MAIN-LINK-HOVER-color);
+}
+
+#sidebar ul li.visited > a .read-icon {
+	color: var(--MENU-VISITED-color);
+}
+
+#body a.highlight:after {
+    display: block;
+    content: "";
+    height: 1px;
+    width: 0%;
+    -webkit-transition: width 0.5s ease;
+    -moz-transition: width 0.5s ease;
+    -ms-transition: width 0.5s ease;
+    transition: width 0.5s ease;
+    background-color: var(--MAIN-LINK-HOVER-color);
+}
+#sidebar {
+	background-color: var(--MENU-SECTIONS-BG-color);
+}
+#sidebar #header-wrapper {
+    background: var(--MENU-HEADER-BG-color);
+    color: var(--MENU-SEARCH-BOX-color);
+    border-color: var(--MENU-HEADER-BORDER-color);
+}
+#sidebar .searchbox {
+	border-color: var(--MENU-SEARCH-BOX-color);
+    background: var(--MENU-SEARCH-BG-color);
+}
+#sidebar ul.topics > li.parent, #sidebar ul.topics > li.active {
+    background: var(--MENU-SECTIONS-ACTIVE-BG-color);
+}
+#sidebar .searchbox * {
+    color: var(--MENU-SEARCH-BOX-ICONS-color);
+}
+
+#sidebar a {
+    color: var(--MENU-SECTIONS-LINK-color);
+}
+
+#sidebar a:hover {
+    color: var(--MENU-SECTIONS-LINK-HOVER-color);
+}
+
+#sidebar ul li.active > a {
+    background: var(--MENU-SECTION-ACTIVE-CATEGORY-BG-color);
+    color: var(--MENU-SECTION-ACTIVE-CATEGORY-color) !important;
+}
+
+#sidebar hr {
+    border-color: var(--MENU-SECTION-HR-color);
+}
+
+#body .tags a.tag-link {
+    background-color: var(--MENU-HEADER-BG-color);
+}
+
+#body .tags a.tag-link:before {
+    border-right-color: var(--MENU-HEADER-BG-color);
+}
+
+#homelinks {
+  background: var(--MENU-HEADER-BG-color);
+  background-color: var(--MENU-HEADER-BORDER-color);
+  border-bottom-color: var(--MENU-HEADER-BORDER-color);
+}
+
+#homelinks a {
+  color: var(--MENU-HOME-LINK-color);
+}
+
+#homelinks a:hover {
+  color: var(--MENU-HOME-LINK-HOVERED-color);
+}
--- a/themes/learn/static/css/theme-red.css
+++ b/themes/learn/static/css/theme-red.css
@ -0,0 +1,128 @@
+
+:root{
+
+    --MAIN-TEXT-color:#323232; /* Color of text by default */
+    --MAIN-TITLES-TEXT-color: #5e5e5e; /* Color of titles h2-h3-h4-h5 */
+    --MAIN-LINK-color:#f31c1c; /* Color of links */
+    --MAIN-LINK-HOVER-color:#d01616; /* Color of hovered links */
+    --MAIN-ANCHOR-color: #f31c1c; /* color of anchors on titles */
+
+    --MENU-HOME-LINK-color: #ccc; /* Color of the home button text */
+    --MENU-HOME-LINK-HOVER-color: #e6e6e6; /* Color of the hovered home button text */
+
+    --MENU-HEADER-BG-color:#dc1010; /* Background color of menu header */
+    --MENU-HEADER-BORDER-color:#e23131; /*Color of menu header border */
+
+    --MENU-SEARCH-BG-color:#b90000; /* Search field background color (by default borders + icons) */
+    --MENU-SEARCH-BOX-color: #ef2020; /* Override search field border color */
+    --MENU-SEARCH-BOX-ICONS-color: #fda1a1; /* Override search field icons color */
+
+    --MENU-SECTIONS-ACTIVE-BG-color:#2b2020; /* Background color of the active section and its childs */
+    --MENU-SECTIONS-BG-color:#312525; /* Background color of other sections */
+    --MENU-SECTIONS-LINK-color: #ccc; /* Color of links in menu */
+    --MENU-SECTIONS-LINK-HOVER-color: #e6e6e6;  /* Color of links in menu, when hovered */
+    --MENU-SECTION-ACTIVE-CATEGORY-color: #777; /* Color of active category text */
+    --MENU-SECTION-ACTIVE-CATEGORY-BG-color: #fff; /* Color of background for the active category (only) */
+
+    --MENU-VISITED-color: #ff3333; /* Color of 'page visited' icons in menu */
+    --MENU-SECTION-HR-color: #2b2020; /* Color of <hr> separator in menu */
+
+}
+
+body {
+    color: var(--MAIN-TEXT-color) !important;
+}
+
+textarea:focus, input[type="email"]:focus, input[type="number"]:focus, input[type="password"]:focus, input[type="search"]:focus, input[type="tel"]:focus, input[type="text"]:focus, input[type="url"]:focus, input[type="color"]:focus, input[type="date"]:focus, input[type="datetime"]:focus, input[type="datetime-local"]:focus, input[type="month"]:focus, input[type="time"]:focus, input[type="week"]:focus, select[multiple=multiple]:focus {
+    border-color: none;
+    box-shadow: none;
+}
+
+h2, h3, h4, h5 {
+    color: var(--MAIN-TITLES-TEXT-color) !important;
+}
+
+a {
+    color: var(--MAIN-LINK-color);
+}
+
+.anchor {
+    color: var(--MAIN-ANCHOR-color);
+}
+
+a:hover {
+    color: var(--MAIN-LINK-HOVER-color);
+}
+
+#sidebar ul li.visited > a .read-icon {
+	color: var(--MENU-VISITED-color);
+}
+
+#body a.highlight:after {
+    display: block;
+    content: "";
+    height: 1px;
+    width: 0%;
+    -webkit-transition: width 0.5s ease;
+    -moz-transition: width 0.5s ease;
+    -ms-transition: width 0.5s ease;
+    transition: width 0.5s ease;
+    background-color: var(--MAIN-LINK-HOVER-color);
+}
+#sidebar {
+	background-color: var(--MENU-SECTIONS-BG-color);
+}
+#sidebar #header-wrapper {
+    background: var(--MENU-HEADER-BG-color);
+    color: var(--MENU-SEARCH-BOX-color);
+    border-color: var(--MENU-HEADER-BORDER-color);
+}
+#sidebar .searchbox {
+	border-color: var(--MENU-SEARCH-BOX-color);
+    background: var(--MENU-SEARCH-BG-color);
+}
+#sidebar ul.topics > li.parent, #sidebar ul.topics > li.active {
+    background: var(--MENU-SECTIONS-ACTIVE-BG-color);
+}
+#sidebar .searchbox * {
+    color: var(--MENU-SEARCH-BOX-ICONS-color);
+}
+
+#sidebar a {
+    color: var(--MENU-SECTIONS-LINK-color);
+}
+
+#sidebar a:hover {
+    color: var(--MENU-SECTIONS-LINK-HOVER-color);
+}
+
+#sidebar ul li.active > a {
+    background: var(--MENU-SECTION-ACTIVE-CATEGORY-BG-color);
+    color: var(--MENU-SECTION-ACTIVE-CATEGORY-color) !important;
+}
+
+#sidebar hr {
+    border-color: var(--MENU-SECTION-HR-color);
+}
+
+#body .tags a.tag-link {
+    background-color: var(--MENU-HEADER-BG-color);
+}
+
+#body .tags a.tag-link:before {
+    border-right-color: var(--MENU-HEADER-BG-color);
+}
+
+#homelinks {
+  background: var(--MENU-HEADER-BG-color);
+  background-color: var(--MENU-HEADER-BORDER-color);
+  border-bottom-color: var(--MENU-HEADER-BORDER-color);
+}
+
+#homelinks a {
+  color: var(--MENU-HOME-LINK-color);
+}
+
+#homelinks a:hover {
+  color: var(--MENU-HOME-LINK-HOVERED-color);
+}
--- a/themes/learn/static/css/theme.css
+++ b/themes/learn/static/css/theme.css