New upstream version 8.1.2.upstream/8.1.2

20 files changed, 677 insertions, 452 deletions

diff --git a/nikola/data/themes/base/assets/css/baguetteBox.min.css b/nikola/data/themes/base/assets/css/baguetteBox.min.css
new file mode 120000
index 0000000..601d72f
--- /dev/null
+++ b/nikola/data/themes/base/assets/css/baguetteBox.min.css
@@ -0,0 +1 @@
+../../../../../../npm_assets/node_modules/baguettebox.js/dist/baguetteBox.min.css
\ No newline at end of file
diff --git a/nikola/data/themes/base/assets/css/html4css1.css b/nikola/data/themes/base/assets/css/html4css1.css
new file mode 100644
index 0000000..cc29335
--- /dev/null
+++ b/nikola/data/themes/base/assets/css/html4css1.css
@@ -0,0 +1 @@
+@import url("rst_base.css");
diff --git a/nikola/data/themes/base/assets/css/ipython.min.css b/nikola/data/themes/base/assets/css/ipython.min.css
new file mode 100644
index 0000000..c1c6bc4
--- /dev/null
+++ b/nikola/data/themes/base/assets/css/ipython.min.css
@@ -0,0 +1,9 @@
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diff --git a/nikola/data/themes/base/assets/css/nikola_ipython.css b/nikola/data/themes/base/assets/css/nikola_ipython.css
index 5ae5189..aba37da 100644
--- a/nikola/data/themes/base/assets/css/nikola_ipython.css
+++ b/nikola/data/themes/base/assets/css/nikola_ipython.css
@@ -40,77 +40,17 @@ div.text_cell_render {
 
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   background-color: #DDDDDD;
+  margin: 1em 0em;
+  font-size: 14px;
+}
+
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   padding-top: 0.05em;
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 }
 
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-.highlight .kn { color: #008000; font-weight: bold } /* Keyword.Namespace */
-.highlight .kp { color: #008000 } /* Keyword.Pseudo */
-.highlight .kr { color: #008000; font-weight: bold } /* Keyword.Reserved */
-.highlight .kt { color: #B00040 } /* Keyword.Type */
-.highlight .m { color: #666666 } /* Literal.Number */
-.highlight .s { color: #BA2121 } /* Literal.String */
-.highlight .na { color: #7D9029 } /* Name.Attribute */
-.highlight .nb { color: #008000 } /* Name.Builtin */
-.highlight .nc { color: #0000FF; font-weight: bold } /* Name.Class */
-.highlight .no { color: #880000 } /* Name.Constant */
-.highlight .nd { color: #AA22FF } /* Name.Decorator */
-.highlight .ni { color: #999999; font-weight: bold } /* Name.Entity */
-.highlight .ne { color: #D2413A; font-weight: bold } /* Name.Exception */
-.highlight .nf { color: #0000FF } /* Name.Function */
-.highlight .nl { color: #A0A000 } /* Name.Label */
-.highlight .nn { color: #0000FF; font-weight: bold } /* Name.Namespace */
-.highlight .nt { color: #008000; font-weight: bold } /* Name.Tag */
-.highlight .nv { color: #19177C } /* Name.Variable */
-.highlight .ow { color: #AA22FF; font-weight: bold } /* Operator.Word */
-.highlight .w { color: #bbbbbb } /* Text.Whitespace */
-.highlight .mf { color: #666666 } /* Literal.Number.Float */
-.highlight .mh { color: #666666 } /* Literal.Number.Hex */
-.highlight .mi { color: #666666 } /* Literal.Number.Integer */
-.highlight .mo { color: #666666 } /* Literal.Number.Oct */
-.highlight .sb { color: #BA2121 } /* Literal.String.Backtick */
-.highlight .sc { color: #BA2121 } /* Literal.String.Char */
-.highlight .sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */
-.highlight .s2 { color: #BA2121 } /* Literal.String.Double */
-.highlight .se { color: #BB6622; font-weight: bold } /* Literal.String.Escape */
-.highlight .sh { color: #BA2121 } /* Literal.String.Heredoc */
-.highlight .si { color: #BB6688; font-weight: bold } /* Literal.String.Interpol */
-.highlight .sx { color: #008000 } /* Literal.String.Other */
-.highlight .sr { color: #BB6688 } /* Literal.String.Regex */
-.highlight .s1 { color: #BA2121 } /* Literal.String.Single */
-.highlight .ss { color: #19177C } /* Literal.String.Symbol */
-.highlight .bp { color: #008000 } /* Name.Builtin.Pseudo */
-.highlight .vc { color: #19177C } /* Name.Variable.Class */
-.highlight .vg { color: #19177C } /* Name.Variable.Global */
-.highlight .vi { color: #19177C } /* Name.Variable.Instance */
-.highlight .il { color: #666666 } /* Literal.Number.Integer.Long */
diff --git a/nikola/data/themes/base/assets/css/nikola_rst.css b/nikola/data/themes/base/assets/css/nikola_rst.css
new file mode 100644
index 0000000..71a0f84
--- /dev/null
+++ b/nikola/data/themes/base/assets/css/nikola_rst.css
@@ -0,0 +1,79 @@
+div.admonition, div.attention, div.caution, div.danger, div.error,
+div.hint, div.important, div.note, div.tip, div.warning, div.sidebar,
+div.system-message {
+/* stolen from Boostrap 4 (.card) */
+  margin-bottom: 2rem;
+  position: relative;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: flex;
+  -webkit-box-orient: vertical;
+  -webkit-box-direction: normal;
+  -ms-flex-direction: column;
+  flex-direction: column;
+  min-width: 0;
+  word-wrap: break-word;
+  background-color: #fff;
+  color: #212529;
+  background-clip: border-box;
+  border: 1px solid rgba(0,0,0,.125);
+  border-radius: .25rem;
+  padding: 0;
+}
+
+div.attention, div.caution, div.danger, div.error, div.warning {
+  /* stolen from Boostrap 3 (.border-danger) */
+  border-color: #dc3545!important;
+}
+
+div.admonition p, div.hint p,
+div.important p, div.note p,
+div.tip p, div.sidebar p,
+div.attention p, div.caution p,
+div.danger p, div.error p,
+div.warning p, div.system-message p {
+    padding-left: 1rem;
+    padding-right: 1rem;
+}
+
+div.admonition p.admonition-title, div.hint p.admonition-title,
+div.important p.admonition-title, div.note p.admonition-title,
+div.tip p.admonition-title, div.sidebar p.sidebar-title,
+div.attention p.admonition-title, div.caution p.admonition-title,
+div.danger p.admonition-title, div.error p.admonition-title,
+div.warning p.admonition-title, div.system-message p.system-message-title {
+/* stolen from Boostrap 4 (.card .card-header) */
+  font-weight: 400;
+  font-size: 1.25rem;
+  padding: .75rem 1.25rem;
+  margin-bottom: 1rem;
+  background-color: rgba(0,0,0,.03);
+  border-bottom: 1px solid rgba(0,0,0,.125);
+}
+
+div.attention p.admonition-title, div.caution p.admonition-title,
+div.danger p.admonition-title, div.error p.admonition-title,
+div.warning p.admonition-title, div.system-message p.system-message-title {
+  /* stolen from Boostrap 4 (.card .card-header .bg-danger) */
+  background-color: #dc3545;
+  color: white;
+}
+
+div.sidebar {
+    margin-right: 0;
+}
+
+/* Improved margin overrides */
+div.topic,
+pre.literal-block,
+pre.doctest-block,
+pre.math,
+pre.code,
+div.code {
+    margin-left: 1rem;
+    margin-right: 1rem;
+}
+
+div.code {
+    margin-bottom: 1rem;
+}
diff --git a/nikola/data/themes/base/assets/css/rst.css b/nikola/data/themes/base/assets/css/rst.css
index 0fbab76..03424a8 100644
--- a/nikola/data/themes/base/assets/css/rst.css
+++ b/nikola/data/themes/base/assets/css/rst.css
@@ -1,330 +1,2 @@
-/*
-:Author: David Goodger (goodger@python.org)
-:Id: $Id: html4css1.css 7614 2013-02-21 15:55:51Z milde $
-:Copyright: This stylesheet has been placed in the public domain.
-
-Default cascading style sheet for the HTML output of Docutils.
-
-See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
-customize this style sheet.
-*/
-
-/* used to remove borders from tables and images */
-.borderless, table.borderless td, table.borderless th {
-  border: 0 }
-
-table.borderless td, table.borderless th {
-  /* Override padding for "table.docutils td" with "! important".
-     The right padding separates the table cells. */
-  padding: 0 0.5em 0 0 ! important }
-
-.first {
-  /* Override more specific margin styles with "! important". */
-  margin-top: 0 ! important }
-
-.last, .with-subtitle {
-  margin-bottom: 0 ! important }
-
-.hidden {
-  display: none }
-
-a.toc-backref {
-  text-decoration: none ;
-  color: black }
-
-blockquote.epigraph {
-  margin: 2em 5em ; }
-
-object[type="image/svg+xml"], object[type="application/x-shockwave-flash"] {
-  overflow: hidden;
-}
-
-div.abstract {
-  margin: 2em 5em }
-
-div.abstract p.topic-title {
-  font-weight: bold ;
-  text-align: center }
-
-div.admonition, div.attention, div.caution, div.danger, div.error,
-div.hint, div.important, div.note, div.tip, div.warning, div.sidebar {
-/* stolen from Boostrap 3 (.panel .panel-default) */
-  margin-bottom: 20px;
-  background-color: #fff;
-  border: 1px solid #ddd;
-  border-radius: 4px;
-  -webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, .05);
-          box-shadow: 0 1px 1px rgba(0, 0, 0, .05);
-  padding: 0 15px 15px 15px;
-}
-
-div.attention, div.caution, div.danger, div.error, div.warning {
-  /* stolen from Boostrap 3 (.panel .panel-danger) */
-  border-color: #EBCCD1;
-}
-
-div.admonition p.admonition-title, div.hint p.admonition-title,
-div.important p.admonition-title, div.note p.admonition-title,
-div.tip p.admonition-title, div.sidebar p.sidebar-title,
-div.attention p.admonition-title, div.caution p.admonition-title,
-div.danger p.admonition-title, div.error p.admonition-title,
-div.warning p.admonition-title {
-/* stolen from Boostrap 3 (.panel .panel-default .panel-heading) */
-  font-size: 16px;
-  color: #333;
-  background-color: #F5F5F5;
-  padding: 10px 15px;
-  margin-left: -15px;
-  margin-right: -15px;
-  border-bottom: 1px solid rgba(0, 0, 0, 0);
-  border-top-left-radius: 3px;
-  border-top-right-radius: 3px;
-  color: #333;
-  background-color: #F5F5F5;
-  border-color: #DDD;
-}
-
-div.attention p.admonition-title, div.caution p.admonition-title,
-div.danger p.admonition-title, div.error p.admonition-title,
-div.warning p.admonition-title {
-  /* stolen from Boostrap 3 (.panel .panel-danger) */
-  color: #A94442;
-  background-color: #F2DEDE;
-  border-color: #EBCCD1;
-}
-
-/* Uncomment (and remove this text!) to get reduced vertical space in
-   compound paragraphs.
-div.compound .compound-first, div.compound .compound-middle {
-  margin-bottom: 0.5em }
-
-div.compound .compound-last, div.compound .compound-middle {
-  margin-top: 0.5em }
-*/
-
-div.dedication {
-  margin: 2em 5em ;
-  text-align: center ;
-  font-style: italic }
-
-div.dedication p.topic-title {
-  font-weight: bold ;
-  font-style: normal }
-
-div.figure {
-  margin-left: 2em ;
-  margin-right: 2em }
-
-div.footer, div.header {
-  clear: both;
-  font-size: smaller }
-
-div.line-block {
-  display: block ;
-  margin-top: 1em ;
-  margin-bottom: 1em }
-
-div.line-block div.line-block {
-  margin-top: 0 ;
-  margin-bottom: 0 ;
-  margin-left: 1.5em }
-
-
-html[dir="rtl"] div.line-block div.line-block {
-  margin-top: 0 ;
-  margin-bottom: 0 ;
-  margin-right: 1.5em  ;
-  margin-left: 0  ;
-}
-
-div.sidebar {
-  margin-left: 2em;
-  min-height: 20px;
-  width: 40% ;
-  float: right ;
-  clear: right }
-
-div.sidebar p.rubric {
-  font-size: medium }
-
-div.system-messages {
-  margin: 5em }
-
-div.system-messages h1 {
-  color: #a94442 }
-
-div.system-message {
-  border: 1px solid #ebccd1;
-  padding: 1em }
-
-div.system-message p.system-message-title {
-  color: #a94442 ;
-  font-weight: bold }
-
-div.topic {
-  margin: 2em }
-
-img.align-left, .figure.align-left, object.align-left {
-  clear: left ;
-  float: left ;
-  margin-right: 1em }
-
-img.align-right, .figure.align-right, object.align-right {
-  clear: right ;
-  float: right ;
-  margin-left: 1em }
-
-img.align-center, .figure.align-center, object.align-center {
-  display: block;
-  margin-left: auto;
-  margin-right: auto;
-}
-
-.align-left {
-  text-align: left }
-
-.align-center {
-  clear: both ;
-  text-align: center }
-
-.align-right {
-  text-align: right }
-
-/* reset inner alignment in figures */
-div.align-right {
-  text-align: inherit }
-
-/* div.align-center * { */
-/*   text-align: left } */
-
-ol.simple, ul.simple {
-  margin-bottom: 1em }
-
-ol.arabic {
-  list-style: decimal }
-
-ol.loweralpha {
-  list-style: lower-alpha }
-
-ol.upperalpha {
-  list-style: upper-alpha }
-
-ol.lowerroman {
-  list-style: lower-roman }
-
-ol.upperroman {
-  list-style: upper-roman }
-
-p.attribution {
-  text-align: right ;
-  margin-left: 50% }
-
-p.caption {
-  font-style: italic }
-
-p.credits {
-  font-style: italic ;
-  font-size: smaller }
-
-p.label {
-  white-space: nowrap }
-
-p.rubric {
-  font-weight: bold ;
-  font-size: larger ;
-  color: maroon ;
-  text-align: center }
-
-p.sidebar-subtitle {
-  font-weight: bold }
-
-p.topic-title {
-  font-weight: bold }
-
-pre.address {
-  margin-bottom: 0 ;
-  margin-top: 0 ;
-  font: inherit }
-
-pre.code .ln { color: grey; } /* line numbers */
-/*
-pre.code, code { background-color: #eeeeee }
-pre.code .comment, code .comment { color: #5C6576 }
-pre.code .keyword, code .keyword { color: #3B0D06; font-weight: bold }
-pre.code .literal.string, code .literal.string { color: #0C5404 }
-pre.code .name.builtin, code .name.builtin { color: #352B84 }
-pre.code .deleted, code .deleted { background-color: #DEB0A1}
-pre.code .inserted, code .inserted { background-color: #A3D289}
-*/
-
-span.classifier {
-  font-style: italic }
-
-span.classifier-delimiter {
-  font-weight: bold }
-
-span.option {
-  white-space: nowrap }
-
-span.pre {
-  white-space: pre }
-
-span.problematic {
-  color: red }
-
-span.section-subtitle {
-  /* font-size relative to parent (h1..h6 element) */
-  font-size: 80% }
-
-table.citation {
-  border-left: solid 1px gray;
-  margin-left: 1px }
-
-table.docinfo {
-  margin: 2em 4em }
-
-table.docutils {
-  margin-top: 0.5em ;
-  margin-bottom: 0.5em }
-
-table.footnote {
-  border-left: solid 1px black;
-  margin-left: 1px }
-
-table.docutils td, table.docutils th,
-table.docinfo td, table.docinfo th {
-  padding-left: 0.5em ;
-  padding-right: 0.5em ;
-  vertical-align: top }
-
-table.docutils th.field-name, table.docinfo th.docinfo-name {
-  font-weight: bold ;
-  text-align: left ;
-  white-space: nowrap ;
-  padding-left: 0 }
-
-/* "booktabs" style (no vertical lines) */
-table.docutils.booktabs {
-  border: 0px;
-  border-top: 2px solid;
-  border-bottom: 2px solid;
-  border-collapse: collapse;
-}
-table.docutils.booktabs * {
-  border: 0px;
-}
-table.docutils.booktabs th {
-  border-bottom: thin solid;
-  text-align: left;
-}
-
-h1 tt.docutils, h2 tt.docutils, h3 tt.docutils,
-h4 tt.docutils, h5 tt.docutils, h6 tt.docutils {
-  font-size: 100% }
-
-ul.auto-toc {
-  list-style-type: none }
-
-a.footnote-reference {
-     line-height: 0px;
-}
+@import url("rst_base.css");
+@import url("nikola_rst.css");
diff --git a/nikola/data/themes/base/assets/css/rst_base.css b/nikola/data/themes/base/assets/css/rst_base.css
new file mode 100644
index 0000000..429f7b5
--- /dev/null
+++ b/nikola/data/themes/base/assets/css/rst_base.css
@@ -0,0 +1,474 @@
+/* Minimal style sheet for the HTML output of Docutils.                    */
+/*                                                                         */
+/* :Author: Günter Milde, based on html4css1.css by David Goodger          */
+/* :Id: $Id: minimal.css 7952 2016-07-26 18:15:59Z milde $               */
+/* :Copyright: © 2015 Günter Milde.                                        */
+/* :License: Released under the terms of the `2-Clause BSD license`_,      */
+/*    in short:                                                            */
+/*                                                                         */
+/*    Copying and distribution of this file, with or without modification, */
+/*    are permitted in any medium without royalty provided the copyright   */
+/*    notice and this notice are preserved.                                */
+/*                                                                         */
+/*    This file is offered as-is, without any warranty.                    */
+/*                                                                         */
+/* .. _2-Clause BSD license: http://www.spdx.org/licenses/BSD-2-Clause     */
+
+/* This CSS2.1_ stylesheet defines rules for Docutils elements without    */
+/* HTML equivalent. It is required to make the document semantic visible. */
+/*                                                                        */
+/* .. _CSS2.1: http://www.w3.org/TR/CSS2                                  */
+/* .. _validates: http://jigsaw.w3.org/css-validator/validator$link       */
+
+/* alignment of text and inline objects inside block objects*/
+.align-left   { text-align: left; }
+.align-right  { text-align: right; }
+.align-center { clear: both; text-align: center; }
+.align-top    { vertical-align: top; }
+.align-middle { vertical-align: middle; }
+.align-bottom { vertical-align: bottom; }
+
+/* titles */
+h1.title, p.subtitle {
+  text-align: center;
+}
+p.admonition-title,
+p.topic-title,
+p.sidebar-title,
+p.rubric,
+p.system-message-title {
+  font-weight: bold;
+}
+h1 + p.subtitle,
+h1 + p.section-subtitle {
+  font-size: 1.6em;
+}
+h2 + p.section-subtitle { font-size: 1.28em; }
+p.subtitle,
+p.section-subtitle,
+p.sidebar-subtitle {
+  font-weight: bold;
+  margin-top: -0.5em;
+}
+p.sidebar-title,
+p.rubric {
+  font-size: larger;
+}
+p.rubric { color: maroon; }
+a.toc-backref {
+  color: black;
+  text-decoration: none; }
+
+/* Warnings, Errors */
+div.caution p.admonition-title,
+div.attention p.admonition-title,
+div.danger p.admonition-title,
+div.error p.admonition-title,
+div.warning p.admonition-title,
+div.system-messages h1,
+div.error,
+span.problematic,
+p.system-message-title {
+  color: red;
+}
+
+/* inline literals */
+span.docutils.literal {
+  font-family: monospace;
+  white-space: pre-wrap;
+}
+/* do not wraph at hyphens and similar: */
+.literal > span.pre { white-space: nowrap; }
+
+/* Lists */
+
+/* compact and simple lists: no margin between items */
+.simple  li, .compact li,
+.simple  ul, .compact ul,
+.simple  ol, .compact ol,
+.simple > li p, .compact > li p,
+dl.simple > dd, dl.compact > dd {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+
+/* Table of Contents */
+/*div.topic.contents { margin: 0; }*/
+ul.auto-toc {
+  list-style-type: none;
+  padding-left: 1.5em; }
+
+/* Enumerated Lists */
+ol.arabic     { list-style: decimal }
+ol.loweralpha { list-style: lower-alpha }
+ol.upperalpha { list-style: upper-alpha }
+ol.lowerroman { list-style: lower-roman }
+ol.upperroman { list-style: upper-roman }
+
+dt span.classifier { font-style: italic }
+dt span.classifier:before {
+  font-style: normal;
+  margin: 0.5em;
+  content: ":";
+}
+
+/* Field Lists and drivatives */
+/* bold field name, content starts on the same line */
+dl.field-list > dt,
+dl.option-list > dt,
+dl.docinfo > dt,
+dl.footnote > dt,
+dl.citation > dt {
+  font-weight: bold;
+  clear: left;
+  float: left;
+  margin: 0;
+  padding: 0;
+  padding-right: 0.5em;
+}
+/* Offset for field content (corresponds to the --field-name-limit option) */
+dl.field-list > dd,
+dl.option-list > dd,
+dl.docinfo > dd {
+  margin-left:  9em; /* ca. 14 chars in the test examples */
+}
+/* start field-body on a new line after long field names */
+dl.field-list > dd > *:first-child,
+dl.option-list > dd > *:first-child
+{
+  display: inline-block;
+  width: 100%;
+  margin: 0;
+}
+/* field names followed by a colon */
+dl.field-list > dt:after,
+dl.docinfo > dt:after {
+  content: ":";
+}
+
+/* Bibliographic Fields (docinfo) */
+pre.address { font: inherit; }
+dd.authors > p { margin: 0; }
+
+/* Option Lists */
+dl.option-list { margin-left: 40px; }
+dl.option-list > dt { font-weight: normal; }
+span.option { white-space: nowrap; }
+
+/* Footnotes and Citations  */
+dl.footnote.superscript > dd {margin-left: 1em; }
+dl.footnote.brackets > dd {margin-left: 2em; }
+dl > dt.label { font-weight: normal; }
+a.footnote-reference.brackets:before,
+dt.label > span.brackets:before { content: "["; }
+a.footnote-reference.brackets:after,
+dt.label > span.brackets:after { content: "]"; }
+a.footnote-reference.superscript,
+dl.footnote.superscript > dt.label {
+  vertical-align: super;
+  font-size: smaller;
+}
+dt.label > span.fn-backref { margin-left: 0.2em; }
+dt.label > span.fn-backref > a { font-style: italic; }
+
+/* Line Blocks */
+div.line-block { display: block; }
+div.line-block div.line-block {
+  margin-top: 0;
+  margin-bottom: 0;
+  margin-left: 40px;
+}
+
+/* Figures, Images, and Tables */
+.figure.align-left,
+img.align-left,
+object.align-left,
+table.align-left {
+  margin-right: auto;
+}
+.figure.align-center,
+img.align-center,
+object.align-center {
+  margin-left: auto;
+  margin-right: auto;
+  display: block;
+}
+table.align-center {
+  margin-left: auto;
+  margin-right: auto;
+}
+.figure.align-right,
+img.align-right,
+object.align-right,
+table.align-right {
+  margin-left: auto;
+}
+/* reset inner alignment in figures and tables */
+div.align-left, div.align-center, div.align-right,
+table.align-left, table.align-center, table.align-right
+{ text-align: inherit }
+
+/* Admonitions and System Messages */
+div.admonition,
+div.system-message,
+div.sidebar{
+  margin: 40px;
+  border: medium outset;
+  padding-right: 1em;
+  padding-left: 1em;
+}
+
+/* Sidebar */
+div.sidebar {
+  width: 30%;
+  max-width: 26em;
+  float: right;
+  clear: right;
+}
+
+/* Text Blocks */
+div.topic,
+pre.literal-block,
+pre.doctest-block,
+pre.math,
+pre.code {
+  margin-right: 40px;
+  margin-left: 40px;
+}
+pre.code .ln { color: gray; } /* line numbers */
+
+/* Tables */
+table.docutils { border-collapse: collapse; }
+table.docutils > td, table.docutils > th {
+  border-style: solid;
+  border-color: silver;
+  padding: 0 1ex;
+  border-width: thin;
+}
+table.docutils > td > p:first-child, table.docutils > th > p:first-child { margin-top: 0; }
+table.docutils > td > p, table.docutils > th > p { margin-bottom: 0; }
+
+table.docutils > caption {
+  text-align: left;
+  margin-bottom: 0.25em
+}
+
+table.borderless td, table.borderless th {
+  border: 0;
+  padding: 0;
+  padding-right: 0.5em /* separate table cells */
+}
+
+/* CSS31_ style sheet for the output of Docutils HTML writers.             */
+/* Rules for easy reading and pre-defined style variants.                  */
+/*                                                                         */
+/* :Author: Günter Milde, based on html4css1.css by David Goodger          */
+/* :Id: $Id: plain.css 7952 2016-07-26 18:15:59Z milde $               */
+/* :Copyright: © 2015 Günter Milde.                                        */
+/* :License: Released under the terms of the `2-Clause BSD license`_,      */
+/*    in short:                                                            */
+/*                                                                         */
+/*    Copying and distribution of this file, with or without modification, */
+/*    are permitted in any medium without royalty provided the copyright   */
+/*    notice and this notice are preserved.                                */
+/*                                                                         */
+/*    This file is offered as-is, without any warranty.                    */
+/*                                                                         */
+/* .. _2-Clause BSD license: http://www.spdx.org/licenses/BSD-2-Clause     */
+/* .. _CSS3: http://www.w3.org/TR/CSS3                                     */
+
+
+/* Document Structure */
+/* ****************** */
+
+/* Sections */
+
+/* Transitions */
+
+hr.docutils {
+  width: 80%;
+  margin-top: 1em;
+  margin-bottom: 1em;
+  clear: both;
+}
+
+/* Paragraphs               */
+/* ==========               */
+
+/* vertical space (parskip) */
+/*p, ol, ul, dl,*/
+/*div.line-block,*/
+/*table{*/
+  /*margin-top: 0.5em;*/
+  /*margin-bottom: 0.5em;*/
+/*}*/
+/*h1, h2, h3, h4, h5, h6, */
+dl > dd {
+  margin-bottom: 0.5em;
+}
+
+/* Lists                    */
+/* ==========               */
+
+/* Definition Lists         */
+
+dl > dd p:first-child { margin-top: 0; }
+/* :last-child is not part of CSS 2.1 (introduced in CSS 3) */
+/* dl > dd p:last-child  { margin-bottom: 0; } */
+
+/* lists nested in definition lists */
+/* :only-child is not part of CSS 2.1 (introduced in CSS 3) */
+dd > ul:only-child, dd > ol:only-child { padding-left: 1em; }
+
+/* Description Lists */
+/* styled like in most dictionaries, encyclopedias etc. */
+dl.description > dt {
+  font-weight: bold;
+  clear: left;
+  float: left;
+  margin: 0;
+  padding: 0;
+  padding-right: 0.5em;
+}
+
+/* Field Lists */
+
+/* example for custom field-name width */
+dl.field-list.narrow > dd {
+  margin-left: 5em;
+}
+/* run-in: start field-body on same line after long field names */
+dl.field-list.run-in > dd p {
+  display: block;
+}
+
+/* Bibliographic Fields */
+
+/* generally, bibliographic fields use special definition list dl.docinfo */
+/* but dedication and abstract are placed into "topic" divs */
+div.abstract p.topic-title {
+  text-align: center;
+}
+div.dedication {
+  margin: 2em 5em;
+  text-align: center;
+  font-style: italic;
+}
+div.dedication p.topic-title {
+  font-style: normal;
+}
+
+/* Citations */
+dl.citation dt.label {
+  font-weight: bold;
+}
+span.fn-backref {
+  font-weight: normal;
+}
+
+/* Text Blocks           */
+/* ============          */
+
+/* Literal Blocks           */
+pre.literal-block, pre.doctest-block,
+pre.math, pre.code {
+  margin-left: 1.5em;
+  margin-right: 1.5em
+}
+
+/* Block Quotes             */
+
+blockquote,
+div.topic {
+  margin-left: 1.5em;
+  margin-right: 1.5em
+}
+blockquote > table,
+div.topic > table {
+  margin-top: 0;
+  margin-bottom: 0;
+}
+blockquote p.attribution,
+div.topic p.attribution {
+  text-align: right;
+  margin-left: 20%;
+}
+
+/* Tables                   */
+/* ======                   */
+
+/* th { vertical-align: bottom; } */
+
+table tr { text-align: left; }
+
+/* "booktabs" style (no vertical lines) */
+table.booktabs {
+  border: 0;
+  border-top: 2px solid;
+  border-bottom: 2px solid;
+  border-collapse: collapse;
+}
+table.booktabs * {
+  border: 0;
+}
+table.booktabs th {
+  border-bottom: thin solid;
+}
+
+/* numbered tables (counter defined in div.document) */
+table.numbered > caption:before {
+  counter-increment: table;
+  content: "Table " counter(table) ": ";
+  font-weight: bold;
+}
+
+/* Explicit Markup Blocks   */
+/* ======================   */
+
+/* Footnotes and Citations  */
+/* -----------------------  */
+
+/* line on the left */
+dl.footnote {
+  padding-left: 1ex;
+  border-left: solid;
+  border-left-width: thin;
+}
+
+/* Directives               */
+/* ----------               */
+
+/* Body Elements            */
+/* ~~~~~~~~~~~~~            */
+
+/* Images and Figures */
+
+/* let content flow to the side of aligned images and figures */
+.figure.align-left,
+img.align-left,
+object.align-left {
+  display: block;
+  clear: left;
+  float: left;
+  margin-right: 1em
+}
+.figure.align-right,
+img.align-right,
+object.align-right {
+  display: block;
+  clear: right;
+  float: right;
+  margin-left: 1em
+}
+
+/* Sidebar */
+
+/* Move into the margin. In a layout with fixed margins, */
+/* it can be moved into the margin completely.           */
+div.sidebar {
+  width: 30%;
+  max-width: 26em;
+  margin-left: 1em;
+  margin-right: -5.5%;
+  background-color: #ffffee ;
+}
diff --git a/nikola/data/themes/base/assets/css/theme.css b/nikola/data/themes/base/assets/css/theme.css
index 5c7c86d..076351f 100644
--- a/nikola/data/themes/base/assets/css/theme.css
+++ b/nikola/data/themes/base/assets/css/theme.css
@@ -1,7 +1,7 @@
 @charset "UTF-8";
 
 /*
-	Copyright © 2014-2015 Daniel Aleksandersen and others.
+	Copyright © 2014-2020 Daniel Aleksandersen and others.
 
 	Permission is hereby granted, free of charge, to any
 	person obtaining a copy of this software and associated
@@ -67,9 +67,9 @@ body {
 	margin-right: 1.5em;
 }
 
-#menu ul li:dir(rtl),
-#toptranslations ul li:dir(rtl),
-#toptranslations h2:dir(rtl) {
+html[dir="rtl"] #menu ul li,
+html[dir="rtl"] #toptranslations ul li,
+html[dir="rtl"] #toptranslations h2 {
 	margin-left: 1.5em;
 	margin-right: 0;
 }
@@ -79,12 +79,12 @@ body {
 	float: right;
 }
 
-#toptranslations:dir(rtl) {
+html[dir="rtl"] #toptranslations {
 	text-align: left;
 	float: left;
 }
 
-.posttranslations h3 {
+.posttranslations h3, .translationslist h3 {
 	display: inline;
 	font-size: 1em;
 }
@@ -93,7 +93,7 @@ body {
 	font-size: 2em;
 }
 
-.posttranslations h3:last-child {
+.posttranslations h3:last-child, .translationslist h3:last-child {
 	display: none;
 }
 
@@ -120,35 +120,50 @@ body {
 }
 .metadata p:before,
 .postpromonav .tags li:before,
-.postlist .listdate:before {
+.postlist .listdate:after,
+.translationslist p:before {
 	content: " — ";
 }
 .postlist li {
 	margin-bottom: .33em;
 }
+.byline a:not(:last-child):after {
+	content: ",";
+}
 
 /* Post and archive pagers */
 .postindexpager .pager .next:before {
 	content: "↓ ";
 }
-.postindexpager .pager .previous:before {
+.postindexpager .pager .previous:before,
+.archivenav .pager .up:before {
 	content: "↑ ";
 }
-.postpromonav .pager .next:after {
+.postpromonav .pager .next:after,
+.archivenav .pager .next:after {
 	content: " →";
 }
-.postpromonav .pager .previous:dir(rtl):after {
+html[dir="rtl"] .postpromonav .pager .previous:after,
+html[dir="rtl"] .archivenav .pager .previous:after {
 	content: " →";
 }
-.postpromonav .pager .previous:before {
+.postpromonav .pager .previous:before,
+.archivenav .pager .previous:before {
 	content: "← ";
 }
-.postpromonav .pager .next:dir(rtl):before {
+html[dir="rtl"] .postpromonav .pager .next:before,
+html[dir="rtl"] .archivenav .pager .next:before {
 	content: "← ";
 }
-
+html[dir="rtl"] .postpromonav .pager .next:after,
+html[dir="rtl"] .archivenav .pager .next:after,
+html[dir="rtl"] .postpromonav .pager .previous:before,
+html[dir="rtl"] .archivenav .pager .previous:before {
+	content: "";
+}
 .metadata p:first-of-type:before,
-.postpromonav .tags li:first-of-type:before {
+.postpromonav .tags li:first-of-type:before,
+.translationslist p:first-of-type:before {
 	content: "";
 }
 .postpromonav .pager {
@@ -156,24 +171,40 @@ body {
 	height: 1em;
 }
 .postpromonav .tags li,
-.postpromonav .pager li {
+.postpromonav .pager li,
+.archivenav .pager li {
 	display: inline-block;
 }
-.postpromonav .pager .next {
+.archivenav .pager {
+	text-align: center
+}
+.postpromonav .pager .next,
+.archivenav .pager .next {
 	float: right;
 }
-.postpromonav .pager .next:dir(rtl) {
+html[dir="rtl"] .postpromonav .pager .next,
+html[dir="rtl"] .archivenav .pager .next {
 	float: left;
 }
 
-.postpromonav .pager .previous {
+.postpromonav .pager .previous,
+.archivenav .pager .previous {
 	float: left;
 }
-.postpromonav .pager .previous:dir(rtl) {
+html[dir="rtl"] .postpromonav .pager .previous,
+html[dir="rtl"] .archivenav .pager .previous {
 	float: right;
 }
 
-.metadata p {
+.archivenav .pager .disabled,
+.archivenav .pager .disabled a,
+.archivenav .pager .disabled:link {
+	color: #888;
+	cursor: not-allowed;
+}
+
+.metadata p,
+.translationslist p {
 	display: inline;
 }
 
@@ -254,10 +285,6 @@ img {
 	margin-right: 0;
 }
 
-.codetable .linenos {
-	padding-right: 10px;
-}
-
 .sr-only {
 	position: absolute;
 	width: 1px;
@@ -280,7 +307,7 @@ img {
 }
 
 pre.code, code {
-	white-space: pre;
+	white-space: pre-wrap;
 	word-wrap: normal;
 	overflow: auto;
 }
diff --git a/nikola/data/themes/base/assets/js/baguetteBox.min.js b/nikola/data/themes/base/assets/js/baguetteBox.min.js
new file mode 120000
index 0000000..dda9b55
--- /dev/null
+++ b/nikola/data/themes/base/assets/js/baguetteBox.min.js
@@ -0,0 +1 @@
+../../../../../../npm_assets/node_modules/baguettebox.js/dist/baguetteBox.min.js
\ No newline at end of file
diff --git a/nikola/data/themes/base/assets/js/fancydates.js b/nikola/data/themes/base/assets/js/fancydates.js
index d13b11b..dc7906d 100644
--- a/nikola/data/themes/base/assets/js/fancydates.js
+++ b/nikola/data/themes/base/assets/js/fancydates.js
@@ -1,19 +1,21 @@
-function fancydates(fanciness, date_format) {
-    if (fanciness == 0) {
+function fancydates(fanciness, luxonDateFormat) {
+    if (fanciness === 0) {
         return;
     }
 
-    dates = $('time.published.dt-published');
+    var dates = document.querySelectorAll('.dt-published, .dt-updated, .listdate');
 
-    i = 0;
-    l = dates.length;
+    var l = dates.length;
 
-    for (i = 0; i < l; i++) {
-        d = moment(dates[i].attributes.datetime.value);
-        if (fanciness == 1) {
-            o = d.local().format(date_format);
+    for (var i = 0; i < l; i++) {
+        var d = luxon.DateTime.fromISO(dates[i].attributes.datetime.value);
+        var o;
+        if (fanciness === 1 && luxonDateFormat.preset) {
+            o = d.toLocal().toLocaleString(luxon.DateTime[luxonDateFormat.format]);
+        } else if (fanciness === 1) {
+            o = d.toLocal().toFormat(luxonDateFormat.format);
         } else {
-            o = d.fromNow();
+            o = d.toRelative();
         }
         dates[i].innerHTML = o;
     }
diff --git a/nikola/data/themes/base/assets/js/fancydates.min.js b/nikola/data/themes/base/assets/js/fancydates.min.js
new file mode 100644
index 0000000..bb0b07b
--- /dev/null
+++ b/nikola/data/themes/base/assets/js/fancydates.min.js
@@ -0,0 +1 @@
+function fancydates(t,e){if(0!==t)for(var a=document.querySelectorAll(".dt-published, .dt-updated, .listdate"),o=a.length,l=0;l<o;l++){var r,i=luxon.DateTime.fromISO(a[l].attributes.datetime.value);r=1===t&&e.preset?i.toLocal().toLocaleString(luxon.DateTime[e.format]):1===t?i.toLocal().toFormat(e.format):i.toRelative(),a[l].innerHTML=r}}
diff --git a/nikola/data/themes/base/assets/js/gallery.js b/nikola/data/themes/base/assets/js/gallery.js
new file mode 100644
index 0000000..af29f47
--- /dev/null
+++ b/nikola/data/themes/base/assets/js/gallery.js
@@ -0,0 +1,32 @@
+function renderGallery(jsonContent, thumbnailSize) {
+    var container = document.getElementById("gallery_container");
+    container.innerHTML = '';
+    var layoutGeometry = require('justified-layout')(jsonContent, {
+    "containerWidth": container.offsetWidth,
+    "targetRowHeight": thumbnailSize * 0.6,
+    "boxSpacing": 5});
+    container.style.height = layoutGeometry.containerHeight + 'px';
+    var boxes = layoutGeometry.boxes;
+    for (var i = 0; i < boxes.length; i++) {
+        var img = document.createElement("img");
+        img.setAttribute('src', jsonContent[i].url_thumb);
+        img.setAttribute('alt', jsonContent[i].title);
+        img.style.width = boxes[i].width + 'px';
+        img.style.height = boxes[i].height + 'px';
+        link = document.createElement("a");
+        link.setAttribute('href', jsonContent[i].url);
+        link.setAttribute('class', 'image-reference');
+        div = document.createElement("div");
+        div.setAttribute('class', 'image-block');
+        div.setAttribute('title', jsonContent[i].title);
+        div.setAttribute('data-toggle', "tooltip")
+        div.style.width = boxes[i].width + 'px';
+        div.style.height = boxes[i].height + 'px';
+        div.style.top = boxes[i].top + 'px';
+        div.style.left = boxes[i].left + 'px';
+        link.appendChild(img);
+        div.appendChild(link);
+        container.appendChild(div);
+    }
+}
+
diff --git a/nikola/data/themes/base/assets/js/gallery.min.js b/nikola/data/themes/base/assets/js/gallery.min.js
new file mode 100644
index 0000000..c434155
--- /dev/null
+++ b/nikola/data/themes/base/assets/js/gallery.min.js
@@ -0,0 +1 @@
+function renderGallery(t,e){var i=document.getElementById("gallery_container");i.innerHTML="";var l=require("justified-layout")(t,{containerWidth:i.offsetWidth,targetRowHeight:.6*e,boxSpacing:5});i.style.height=l.containerHeight+"px";for(var n=l.boxes,r=0;r<n.length;r++){var a=document.createElement("img");a.setAttribute("src",t[r].url_thumb),a.setAttribute("alt",t[r].title),a.style.width=n[r].width+"px",a.style.height=n[r].height+"px",link=document.createElement("a"),link.setAttribute("href",t[r].url),link.setAttribute("class","image-reference"),div=document.createElement("div"),div.setAttribute("class","image-block"),div.setAttribute("title",t[r].title),div.setAttribute("data-toggle","tooltip"),div.style.width=n[r].width+"px",div.style.height=n[r].height+"px",div.style.top=n[r].top+"px",div.style.left=n[r].left+"px",link.appendChild(a),div.appendChild(link),i.appendChild(div)}}
diff --git a/nikola/data/themes/base/assets/js/html5.js b/nikola/data/themes/base/assets/js/html5.js
index 448cebd..31340f0 100644..120000
--- a/nikola/data/themes/base/assets/js/html5.js
+++ b/nikola/data/themes/base/assets/js/html5.js
@@ -1,8 +1 @@
-/*
- HTML5 Shiv v3.7.0 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
-*/
-(function(l,f){function m(){var a=e.elements;return"string"==typeof a?a.split(" "):a}function i(a){var b=n[a[o]];b||(b={},h++,a[o]=h,n[h]=b);return b}function p(a,b,c){b||(b=f);if(g)return b.createElement(a);c||(c=i(b));b=c.cache[a]?c.cache[a].cloneNode():r.test(a)?(c.cache[a]=c.createElem(a)).cloneNode():c.createElem(a);return b.canHaveChildren&&!s.test(a)?c.frag.appendChild(b):b}function t(a,b){if(!b.cache)b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag();
-a.createElement=function(c){return!e.shivMethods?b.createElem(c):p(c,a,b)};a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+m().join().replace(/[\w\-]+/g,function(a){b.createElem(a);b.frag.createElement(a);return'c("'+a+'")'})+");return n}")(e,b.frag)}function q(a){a||(a=f);var b=i(a);if(e.shivCSS&&!j&&!b.hasCSS){var c,d=a;c=d.createElement("p");d=d.getElementsByTagName("head")[0]||d.documentElement;c.innerHTML="x<style>article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}</style>";
-c=d.insertBefore(c.lastChild,d.firstChild);b.hasCSS=!!c}g||t(a,b);return a}var k=l.html5||{},s=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,r=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,j,o="_html5shiv",h=0,n={},g;(function(){try{var a=f.createElement("a");a.innerHTML="<xyz></xyz>";j="hidden"in a;var b;if(!(b=1==a.childNodes.length)){f.createElement("a");var c=f.createDocumentFragment();b="undefined"==typeof c.cloneNode||
-"undefined"==typeof c.createDocumentFragment||"undefined"==typeof c.createElement}g=b}catch(d){g=j=!0}})();var e={elements:k.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video",version:"3.7.0",shivCSS:!1!==k.shivCSS,supportsUnknownElements:g,shivMethods:!1!==k.shivMethods,type:"default",shivDocument:q,createElement:p,createDocumentFragment:function(a,b){a||(a=f);
-if(g)return a.createDocumentFragment();for(var b=b||i(a),c=b.frag.cloneNode(),d=0,e=m(),h=e.length;d<h;d++)c.createElement(e[d]);return c}};l.html5=e;q(f)})(this,document);
+../../../../../../npm_assets/node_modules/html5shiv/dist/html5shiv-printshiv.min.js
\ No newline at end of file
diff --git a/nikola/data/themes/base/assets/js/html5shiv-printshiv.min.js b/nikola/data/themes/base/assets/js/html5shiv-printshiv.min.js
new file mode 120000
index 0000000..31340f0
--- /dev/null
+++ b/nikola/data/themes/base/assets/js/html5shiv-printshiv.min.js
@@ -0,0 +1 @@
+../../../../../../npm_assets/node_modules/html5shiv/dist/html5shiv-printshiv.min.js
\ No newline at end of file
diff --git a/nikola/data/themes/base/assets/js/justified-layout.min.js b/nikola/data/themes/base/assets/js/justified-layout.min.js
new file mode 120000
index 0000000..d067ee6
--- /dev/null
+++ b/nikola/data/themes/base/assets/js/justified-layout.min.js
@@ -0,0 +1 @@
+../../../../../../npm_assets/node_modules/justified-layout/dist/justified-layout.min.js
\ No newline at end of file
diff --git a/nikola/data/themes/base/assets/js/luxon.min.js b/nikola/data/themes/base/assets/js/luxon.min.js
new file mode 120000
index 0000000..a8a639d
--- /dev/null
+++ b/nikola/data/themes/base/assets/js/luxon.min.js
@@ -0,0 +1 @@
+../../../../../../npm_assets/node_modules/luxon/build/global/luxon.min.js
\ No newline at end of file
diff --git a/nikola/data/themes/base/assets/js/mathjax.js b/nikola/data/themes/base/assets/js/mathjax.js
deleted file mode 100644
index 6ef2dd7..0000000
--- a/nikola/data/themes/base/assets/js/mathjax.js
+++ /dev/null
@@ -1,11 +0,0 @@
-//  We wait for the onload function to load MathJax after the page is completely loaded.  
-//  MathJax is loaded 1 unit of time after the page is ready.
-//  This hack prevent problems when you use social button from addthis.
-//
-window.onload = function () {
-  setTimeout(function () {
-    var script = document.createElement("script");
-    script.src  = "https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML";
-    document.getElementsByTagName("body")[0].appendChild(script);
-  },1)
-}
diff --git a/nikola/data/themes/base/assets/xml/atom.xsl b/nikola/data/themes/base/assets/xml/atom.xsl
index cc052e0..7b18344 100644
--- a/nikola/data/themes/base/assets/xml/atom.xsl
+++ b/nikola/data/themes/base/assets/xml/atom.xsl
@@ -14,7 +14,7 @@
 <p>This is an Atom feed. To subscribe to it, copy its address and paste it when your feed reader asks for it. It will be updated periodically in your reader. New to feeds? <a href="https://duckduckgo.com/?q=how+to+get+started+with+rss+feeds" title="Search on the web to learn more">Learn more</a>.</p>
 <p>
 <label for="address">Atom feed address:</label>
-<input><xsl:attribute name="id">address</xsl:attribute><xsl:attribute name="spellcheck">false</xsl:attribute><xsl:attribute name="value"><xsl:value-of select="feed/link[@rel='self']/@href"/></xsl:attribute></input>
+<input><xsl:attribute name="type">url</xsl:attribute><xsl:attribute name="id">address</xsl:attribute><xsl:attribute name="spellcheck">false</xsl:attribute><xsl:attribute name="value"><xsl:value-of select="feed/link[@rel='self']/@href"/></xsl:attribute></input>
 </p>
 <p>Preview of the feed’s current headlines:</p>
 <ol>
diff --git a/nikola/data/themes/base/assets/xml/rss.xsl b/nikola/data/themes/base/assets/xml/rss.xsl
index ee72301..f34b3b1 100644
--- a/nikola/data/themes/base/assets/xml/rss.xsl
+++ b/nikola/data/themes/base/assets/xml/rss.xsl
@@ -14,7 +14,7 @@
 <p>This is an <abbr title="Really Simple Syndication">RSS</abbr> feed. To subscribe to it, copy its address and paste it when your feed reader asks for it. It will be updated periodically in your reader. New to feeds? <a href="https://duckduckgo.com/?q=how+to+get+started+with+rss+feeds" title="Search on the web to learn more">Learn more</a>.</p>
 <p>
 <label for="address">RSS address:</label>
-<input><xsl:attribute name="id">address</xsl:attribute><xsl:attribute name="spellcheck">false</xsl:attribute><xsl:attribute name="value"><xsl:value-of select="rss/channel/atom:link[@rel='self']/@href"/></xsl:attribute></input>
+<input><xsl:attribute name="type">url</xsl:attribute><xsl:attribute name="id">address</xsl:attribute><xsl:attribute name="spellcheck">false</xsl:attribute><xsl:attribute name="value"><xsl:value-of select="rss/channel/atom:link[@rel='self']/@href"/></xsl:attribute></input>
 </p>
 <p>Preview of the feed’s current headlines:</p>
 <ol>