diff --git a/doc/_themes/sphinx13/layout.html b/doc/_themes/sphinx13/layout.html
deleted file mode 100644
index 98c74df..0000000
--- a/doc/_themes/sphinx13/layout.html
+++ /dev/null
@@ -1,123 +0,0 @@
-{# Sphinx layout template for the sphinxdoc theme. #}
-{%- extends "basic/layout.html" %}
-
-{% block extrahead %}
-{{ super() }}
-{%- if not embedded and pagename == root_doc %}
-<style>.related { display: none; }</style>
-{%- endif %}
-{% endblock %}
-
-{% block header %}
-{{ svgs() }}
-<div class="pageheader">
-  <strong class="brand">A Shaderboy's Collection</strong>
-  <div class="icons">
-    <a href="https://github.com/sphinx-doc/sphinx" title="{{ _('Source Code') }}" target="_blank">
-      <svg><use href="#github"></use></svg>
-    </a>
-  </div>
-</div>
-{% endblock %}
-
-{%- block relbar1 %}
-<div class="related" role="navigation" aria-label="Related">
-  <h3>{{ _('Navigation') }}</h3>
-  <ul>
-    <li><a href="{{ pathto(root_doc)|e }}">Documentation</a> &raquo;</li>
-    {%- for parent in parents %}
-      <li class="nav-item nav-item-{{ loop.index }}"><a href="{{ parent.link|e }}" {% if loop.last %}{{ accesskey("U") }}{% endif %}>{{ parent.title }}</a>{{ reldelim1 }}</li>
-    {%- endfor %}
-    <li class="nav-item nav-item-this"><a href="{{ link|e }}">{{ title }}</a></li>
-  </ul>
-</div>
-{% endblock %}
-
-{%- block content %}
-<div class="document">
-  <div class="sphinxsidebar" role="navigation" aria-label="Main">
-    {%- include "searchfield.html" %}
-    {%- if display_toc %}
-      <div class="sphinxsidebar-navigation__contents">
-        <h3>{{ _('On this page') }}</h3>
-        {{ toc }}
-      </div>
-    {%- endif %}
-    <div class="sphinxsidebar-navigation__pages">
-      {{ toctree(includehidden=True, maxdepth=3, titles_only=True) }}
-    </div>
-  </div>
-  {%- block document %}
-  <div class="body" role="main">
-    {% block body %}{% endblock %}
-    {{ prev_next() }}
-  </div>
-  {%- endblock %}
-</div>
-{%- endblock %}
-
-{%- block relbar2 %}{% endblock %}
-
-{%- block footer %}
-<div class="footer" role="contentinfo">
-  {{ copyright_block() }}
-  {% trans sphinx_version=sphinx_version|e %}Created using <a href="https://www.sphinx-doc.org/">Sphinx</a> {{ sphinx_version }}.{% endtrans %}
-</div>
-{%- endblock %}
-
-{% macro prev_next() %}
-  <div class="related-pages" role="navigation" aria-label="Related">
-    {% if prev -%}
-      <a class="prev-page" href="{{ prev.link }}">
-        <svg><use href="#svg-arrow-right"></use></svg>
-        <div class="page-info">
-          <div class="context">
-            <span>{{ _("Previous") }}</span>
-          </div>
-          {% if prev.link == pathto(root_doc) %}
-          <div class="title">{{ _("Home") }}</div>
-          {% else %}
-          <div class="title">{{ prev.title }}</div>
-          {% endif %}
-        </div>
-      </a>
-    {%- else %}
-    <div></div>
-    {%- endif %}
-    {% if next -%}
-      <a class="next-page" href="{{ next.link }}">
-        <div class="page-info">
-          <div class="context">
-            <span>{{ _("Next") }}</span>
-          </div>
-          <div class="title">{{ next.title }}</div>
-        </div>
-        <svg><use href="#svg-arrow-right"></use></svg>
-      </a>
-    {%- endif %}
-  </div>
-{% endmacro %}
-
-{% macro svgs() %}
-<svg xmlns="http://www.w3.org/2000/svg" style="display: none;">
-  <symbol id="github" viewBox="0 0 16 16">
-    <title>GitHub</title>
-    <svg
-      stroke="currentColor"
-      fill="currentColor"
-      stroke-width="0"
-      viewBox="0 0 16 16"
-    >
-      <path
-        fill-rule="evenodd"
-        d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"
-      ></path>
-    </svg>
-  <symbol id="svg-arrow-right" viewBox="0 0 24 24">
-    <title>Expand</title>
-    <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather-chevron-right">
-      <polyline points="9 18 15 12 9 6"></polyline>
-    </svg>
-  </symbol>
-</svg>
-{% endmacro %}
diff --git a/doc/_themes/sphinx13/static/sphinx-logo.svg b/doc/_themes/sphinx13/static/sphinx-logo.svg
deleted file mode 100644
index b2b83c7..0000000
--- a/doc/_themes/sphinx13/static/sphinx-logo.svg
+++ /dev/null
@@ -1,4 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 10 7">
-<path d="M8.12 3.27c.45-.32 1.06-.46 1.78-.73l-.31-.7c-1.28.23-2.43-.53-3.68-.7C4 .75 2.24 1.9.36 2.04v.76c1.87.41 3.64 1.26 5.6 1.02-1.21 1.21-2.84 2.64-4.69 2.07C.63 5.77.35 4.87.96 4.6c.27 1.04 1.57.3 1-.52C1.57 3.6.54 3.82.24 4.3c-.87 1.65.84 2.56 2.31 2.32 1.86-.25 3.29-1.71 4.53-3.02-.02.61.18 1.96-.41 2.5l.01.9c.43-.34.8-1.07.92-1.56.16-.63.04-1.02.1-1.53.05-.23.1-.41.42-.64zM1.9 2.39c.77-.23 1.58-.58 2.39-.66-.42 1.38 1.81 1.54 1.56 0 .64.16 1 .3 1.94.7-2.06 1.02-4.05.56-5.89-.04z"/>
-<path d="M.36 1.81v-.8c.23 0 .84-.18 1.44-.35C2.8.36 4.05 0 4.95 0c1 0 2.05.34 2.82.58l.91.25c.62.07.98-.08.98-.08l.34.73c-.06.02-.56.24-1.41.15-.27-.03-.62-.14-1.06-.29C6.77 1.1 5.82.8 4.95.8c-.79 0-1.97.35-2.92.63-.74.21-1.32.38-1.67.38z"/>
-</svg>
diff --git a/doc/_themes/sphinx13/static/sphinx13.css b/doc/_themes/sphinx13/static/sphinx13.css
deleted file mode 100644
index e008e2f..0000000
--- a/doc/_themes/sphinx13/static/sphinx13.css
+++ /dev/null
@@ -1,697 +0,0 @@
-/* Stylesheet for Sphinx's documentation */
-
-/* Set master colours */
-:root {
-    --fonts-sans-serif: system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
-    --colour-sphinx-blue: #0A507A;
-    --colour-text: #333;
-    --colour-links-light: #057;
-    --admonition-radius: 3px;
-
-    /* colours for admonition titles */
-    --color-admonition-bg: hsl(0, 0%, 90%);
-    --color-admonition-fg: hsl(0, 0%, 50%);
-    --colour-warning-bg: hsl(28.5, 74%, 90%);
-    --colour-warning-fg: hsl(28.5, 74%, 50%);
-    --colour-note-bg: hsl(219.5, 84%, 90%);
-    --colour-note-fg: hsl(219.5, 84%, 50%);
-    --colour-success-bg: hsl(150, 36.7%, 90%);
-    --colour-success-fg: hsl(150, 36.7%, 50%);
-    --colour-error-bg: hsl(0, 37%, 90%);
-    --colour-error-fg: hsl(0, 37%, 50%);
-    --colour-todo-bg: hsl(266.8, 100%, 90%);
-    --colour-todo-fg: hsl(266.8, 100%, 50%);
-
-    /* icons used for admonition titles */
-    --icon-pencil: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20.71 7.04c.39-.39.39-1.04 0-1.41l-2.34-2.34c-.37-.39-1.02-.39-1.41 0l-1.84 1.83 3.75 3.75M3 17.25V21h3.75L17.81 9.93l-3.75-3.75L3 17.25z"/></svg>');
-    --icon-abstract: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M4 5h16v2H4V5m0 4h16v2H4V9m0 4h16v2H4v-2m0 4h10v2H4v-2z"/></svg>');
-    --icon-info: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M13 9h-2V7h2m0 10h-2v-6h2m-1-9A10 10 0 002 12a10 10 0 0010 10 10 10 0 0010-10A10 10 0 0012 2z"/></svg>');
-    --icon-flame: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M17.55 11.2c-.23-.3-.5-.56-.76-.82-.65-.6-1.4-1.03-2.03-1.66C13.3 7.26 13 4.85 13.91 3c-.91.23-1.75.75-2.45 1.32-2.54 2.08-3.54 5.75-2.34 8.9.04.1.08.2.08.33 0 .22-.15.42-.35.5-.22.1-.46.04-.64-.12a.83.83 0 01-.15-.17c-1.1-1.43-1.28-3.48-.53-5.12C5.89 10 5 12.3 5.14 14.47c.04.5.1 1 .27 1.5.14.6.4 1.2.72 1.73 1.04 1.73 2.87 2.97 4.84 3.22 2.1.27 4.35-.12 5.96-1.6 1.8-1.66 2.45-4.32 1.5-6.6l-.13-.26c-.2-.46-.47-.87-.8-1.25l.05-.01m-3.1 6.3c-.28.24-.73.5-1.08.6-1.1.4-2.2-.16-2.87-.82 1.19-.28 1.89-1.16 2.09-2.05.17-.8-.14-1.46-.27-2.23-.12-.74-.1-1.37.18-2.06.17.38.37.76.6 1.06.76 1 1.95 1.44 2.2 2.8.04.14.06.28.06.43.03.82-.32 1.72-.92 2.27h.01z"/></svg>');
-    --icon-question: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M15.07 11.25l-.9.92C13.45 12.89 13 13.5 13 15h-2v-.5c0-1.11.45-2.11 1.17-2.83l1.24-1.26c.37-.36.59-.86.59-1.41a2 2 0 00-2-2 2 2 0 00-2 2H8a4 4 0 014-4 4 4 0 014 4 3.2 3.2 0 01-.93 2.25M13 19h-2v-2h2M12 2A10 10 0 002 12a10 10 0 0010 10 10 10 0 0010-10c0-5.53-4.5-10-10-10z"/></svg>');
-    --icon-warning: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M13 14h-2v-4h2m0 8h-2v-2h2M1 21h22L12 2 1 21z"/></svg>');
-    --icon-failure: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 2c5.53 0 10 4.47 10 10s-4.47 10-10 10S2 17.53 2 12 6.47 2 12 2m3.59 5L12 10.59 8.41 7 7 8.41 10.59 12 7 15.59 8.41 17 12 13.41 15.59 17 17 15.59 13.41 12 17 8.41 15.59 7z"/></svg>');
-    --icon-spark: url('data:image/svg+xml;charset=utf-8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M11.5 20l4.86-9.73H13V4l-5 9.73h3.5V20M12 2c2.75 0 5.1 1 7.05 2.95C21 6.9 22 9.25 22 12s-1 5.1-2.95 7.05C17.1 21 14.75 22 12 22s-5.1-1-7.05-2.95C3 17.1 2 14.75 2 12s1-5.1 2.95-7.05C6.9 3 9.25 2 12 2z"/></svg>');
-}
-
-body {
-    font-family: var(--fonts-sans-serif);
-    margin: 0 auto;
-    color: var(var(--colour-text));
-}
-
-.pageheader {
-    position: sticky;
-    top: 0;
-    z-index: 99;
-    height: 3rem;
-    display: flex;
-    column-gap: 1em;
-    align-items: center;
-    justify-content: space-between;
-    width: 100%;
-    background-color: var(--colour-sphinx-blue);
-    padding: 10px 20px;
-    box-sizing: border-box;
-}
-
-.pageheader .brand {
-    display: flex;
-    align-items: baseline;
-    column-gap: 1em;
-    color: white;
-    text-decoration: none;
-}
-
-.pageheader .brand img {
-    width: 2em;
-    filter: invert(1) drop-shadow(1px 1px 2px black);
-}
-
-.pageheader .brand span {
-    color: white;
-    margin-left: 0.4em;
-    font-weight: 400;
-    font-size: 2em;
-    line-height: 1;
-}
-
-.pageheader .icons a {
-    color: white;
-}
-
-.pageheader .icons a:hover {
-    color: rgba(255, 255, 255, 0.8);
-}
-
-.pageheader .icons svg {
-    height: 1.6em;
-    width: 1.6em;
-}
-
-div.document {
-    display: flex;
-    margin: 0 0.5em;
-}
-
-div.body {
-    border-left: 1px solid var(--colour-sphinx-blue);
-    margin: 0;
-    padding: 0.5em 1.75em;
-    min-width: 0;
-    max-width: 800px;
-}
-
-div.related {
-    position: sticky;
-    top: 3rem;
-    z-index: 99;
-    display: flex;
-    color: white;
-    background-color: var(--colour-sphinx-blue);
-    border-top: 1px solid #002e50;
-}
-
-div.related ul li {
-    margin: 0 5px 0 0;
-    float: left;
-}
-
-div.related ul li a {
-    padding: 0 5px 0 5px;
-    line-height: 1.75em;
-    color: white;
-}
-
-div.related ul li a:hover {
-    text-shadow: 0 0 1px rgba(255, 255, 255, 0.5);
-}
-
-div.sphinxsidebarwrapper {
-    padding: 0;
-}
-
-div.sphinxsidebar {
-    position: sticky;
-    top: 4.6rem;
-    align-self: flex-start;
-    height: calc(100vh - 4.6rem);
-    width: 250px;
-    min-width: 150px;
-    overflow-y: auto;
-    overflow-wrap: break-word;
-    margin: 0;
-    padding: 0.5em 15px 0.5em 10px;
-    font-size: 1em;
-}
-
-/* horizontal line between sidebar components */
-div.sphinxsidebar div:not(:first-child) {
-    border-top: 1px solid var(--colour-sphinx-blue);
-}
-
-/* overwrite color from basic theme */
-div.sphinxsidebar input {
-    border: 1px solid var(--colour-sphinx-blue);
-}
-
-div.sphinxsidebar h3 {
-    font-size: 1.2em;
-    font-weight: 300;
-    margin-top: 0;
-    margin-bottom: 0.5em;
-    padding-top: 0.5em;
-}
-
-div.sphinxsidebar h4 {
-    font-size: 1.2em;
-    margin-bottom: 0;
-}
-
-div.sphinxsidebar h3, div.sphinxsidebar h4 {
-    margin-right: -15px;
-    margin-left: -15px;
-    padding-right: 14px;
-    padding-left: 14px;
-    color: #333;
-    font-weight: 300;
-}
-
-div.sphinxsidebar h3 a {
-    color: #333;
-}
-
-div.sphinxsidebar ul {
-    color: #444;
-    margin-top: 7px;
-    padding: 0;
-    line-height: 130%;
-}
-
-div.sphinxsidebar ul ul {
-    margin-left: 1rem;
-    list-style-type: none;
-    font-size: .9em;
-}
-
-/* De-dent the first list because we hide the top-level item */
-.sphinxsidebar .sphinxsidebar-navigation__contents > ul > li > ul {
-    margin-left: 0;
-}
-
-div.sphinxsidebar p.caption {
-    font-weight: 300;
-    font-size: 1.2rem;
-}
-
-div.sphinxsidebar li.current > a {
-    font-weight: 600;
-}
-
-.sphinxsidebar-navigation__contents > ul > li > a {
-    display: none;
-}
-
-div.sphinxsidebar #searchbox {
-    margin: 12px 0 20px 0;
-}
-
-div.sphinxsidebar #searchbox input[type="text"] {
-    border-radius: var(--admonition-radius) 0 0 var(--admonition-radius);
-}
-
-div.sphinxsidebar #searchbox input[type="submit"] {
-    border-radius: 0 var(--admonition-radius) var(--admonition-radius) 0;
-  color: white;
-    background: var(--colour-sphinx-blue);
-}
-
-div.footer {
-    background-color: var(--colour-sphinx-blue);
-    color: #ccc;
-    text-shadow: 0 0 .2px rgba(255, 255, 255, 0.8);
-    padding: 3px 8px 3px 8px;
-    clear: both;
-    font-size: 0.8em;
-}
-
-/* no need to make a visible link to Sphinx on the Sphinx page */
-div.footer a {
-    color: #ccc;
-}
-
-/* -- body styles ----------------------------------------------------------- */
-
-.body :target {
-    /* ensure targets are not obscured by top-bar when they are navigated to */
-    scroll-margin-top: 6.5rem;
-}
-
-p {
-    margin: 0.8em 0 0.5em 0;
-    line-height: 1.5;
-}
-
-a {
-    color: var(--colour-links-light);
-    text-decoration: none;
-}
-
-div.body a {
-    text-decoration: underline;
-}
-
-h1 {
-    margin: 10px 0 0 0;
-    font-size: 2.4em;
-    color: var(--colour-sphinx-blue);
-    font-weight: 400;
-}
-
-h1 span.pre {
-    /* for code in titles */
-    word-break: break-all;
-    white-space: normal;
-}
-
-h2 {
-    margin: 1em 0 0.2em 0;
-    font-size: 1.5em;
-    font-weight: 400;
-    padding: 0;
-    color: #174967;
-}
-
-h3 {
-    margin: 1em 0 -0.3em 0;
-    font-size: 1.3em;
-    font-weight: 400;
-}
-
-div.body h1 a, div.body h2 a, div.body h3 a, div.body h4 a, div.body h5 a, div.body h6 a {
-    text-decoration: none;
-}
-
-div.body h1 a tt, div.body h2 a tt, div.body h3 a tt, div.body h4 a tt, div.body h5 a tt, div.body h6 a tt {
-    color: var(--colour-sphinx-blue) !important;
-    font-size: inherit !important;
-}
-
-a.headerlink {
-    color: var(--colour-sphinx-blue) !important;
-    font-size: .8em;
-    margin-left: 6px;
-    padding: 0 4px 0 4px;
-    text-decoration: none !important;
-}
-
-a.headerlink:hover {
-    background-color: #ccc;
-    color: white!important;
-}
-
-/* avoid font-size when :mod: role in headings */
-h1 code, h2 code, h3 code, h4 code {
-    font-size: inherit;
-}
-
-cite, code, tt {
-    font-family: 'Consolas', 'DejaVu Sans Mono',
-                 'Bitstream Vera Sans Mono', monospace;
-    font-size: 1em;
-    letter-spacing: -0.02em;
-}
-
-table.deprecated code.literal {
-    word-break: break-all;
-}
-
-tt {
-    background-color: #f2f2f2;
-    border: 1px solid #ddd;
-    border-radius: 2px;
-    color: #333;
-    padding: 1px 0.2em;
-}
-
-tt.descname, tt.descclassname, tt.xref {
-    border: 0;
-}
-
-hr {
-    border: 1px solid #abc;
-    margin: 2em;
-}
-
-a tt {
-    border: 0;
-    color: var(--colour-links-light);
-}
-
-pre {
-    font-family: 'Consolas', 'Courier New', 'DejaVu Sans Mono',
-                 'Bitstream Vera Sans Mono', monospace;
-    font-size: 1em;
-    letter-spacing: 0.015em;
-    line-height: 120%;
-    padding: 0.5em;
-    border: 1px solid #ccc;
-    border-radius: 2px;
-    background-color: #f8f8f8;
-}
-
-pre a {
-    color: inherit;
-    text-decoration: underline;
-}
-
-td.linenos pre {
-    padding: 0.5em 0;
-}
-
-div.quotebar {
-    background-color: #f8f8f8;
-    max-width: 250px;
-    float: right;
-    padding: 0px 7px;
-    border: 1px solid #ccc;
-    margin-left: 1em;
-}
-
-blockquote.epigraph {
-    font-size: 1.5em;
-    padding-left: 1rem;
-    margin-left: 0;
-}
-
-nav.contents,
-div.topic,
-aside.topic {
-    background-color: #f8f8f8;
-}
-
-p.topic-title {
-    margin-top: 0;
-}
-
-table {
-    border-collapse: collapse;
-    margin: 0 -0.5em 0 -0.5em;
-}
-
-table td, table th {
-    padding: 0.2em 0.5em 0.2em 0.5em;
-}
-
-div.admonition, div.warning {
-    font-size: 0.9em;
-    margin: 1em 0 1em 0;
-    border: 1px solid #86989B;
-    border-radius: var(--admonition-radius);
-    background-color: #f7f7f7;
-    padding: 1rem;
-}
-
-div.admonition > p, div.warning > p {
-    margin: 0;
-    padding: 0;
-}
-
-div.admonition > pre, div.warning > pre {
-    margin: 0.4em 1em 0.4em 1em;
-}
-
-div.admonition > p.admonition-title {
-    position: relative;
-    font-weight: 500;
-    background-color: var(--color-admonition-bg);
-    margin: -1rem -1rem 0.8rem -1rem;
-    padding: 0.3rem 1rem 0.3rem 2rem;
-    border-radius: var(--admonition-radius) var(--admonition-radius) 0 0;
-}
-
-div.attention > p.admonition-title,
-div.danger > p.admonition-title,
-div.error > p.admonition-title {
-    background-color: var(--colour-error-bg);
-}
-
-div.important > p.admonition-title,
-div.caution > p.admonition-title,
-div.warning > p.admonition-title {
-    background-color: var(--colour-warning-bg);
-}
-
-div.note > p.admonition-title {
-    background-color: var(--colour-note-bg);
-}
-
-div.hint > p.admonition-title,
-div.tip > p.admonition-title,
-div.seealso > p.admonition-title {
-    background-color: var(--colour-success-bg);
-}
-
-div.admonition-todo > p.admonition-title {
-    background-color: var(--colour-todo-bg);
-}
-
-p.admonition-title::before {
-    content: "";
-    height: 1rem;
-    left: .5rem;
-    top: .5rem;
-    position: absolute;
-    width: 1rem;
-    background-color: #5f5f5f;
-}
-
-div.admonition > p.admonition-title::before {
-    background-color: var(--color-admonition-fg);
-    -webkit-mask-image: var(--icon-abstract);
-    mask-image: var(--icon-abstract);
-}
-div.attention > p.admonition-title::before {
-    background-color: var(--colour-error-fg);
-    -webkit-mask-image: var(--icon-warning);
-    mask-image: var(--icon-warning);
-}
-div.caution > p.admonition-title::before {
-    background-color: var(--colour-warning-fg);
-    -webkit-mask-image: var(--icon-spark);
-    mask-image: var(--icon-spark);
-}
-div.danger > p.admonition-title::before {
-    background-color: var(--colour-error-fg);
-    -webkit-mask-image: var(--icon-spark);
-    mask-image: var(--icon-spark);
-}
-div.error > p.admonition-title::before {
-    background-color: var(--colour-error-fg);
-    -webkit-mask-image: var(--icon-failure);
-    mask-image: var(--icon-failure);
-}
-div.hint > p.admonition-title::before {
-    background-color: var(--colour-success-fg);
-    -webkit-mask-image: var(--icon-question);
-    mask-image: var(--icon-question);
-}
-div.important > p.admonition-title::before {
-    background-color: var(--colour-warning-fg);
-    -webkit-mask-image: var(--icon-flame);
-    mask-image: var(--icon-flame);
-}
-div.note > p.admonition-title::before {
-    background-color: var(--colour-note-fg);
-    -webkit-mask-image: var(--icon-pencil);
-    mask-image: var(--icon-pencil);
-}
-div.seealso > p.admonition-title::before {
-    background-color: var(--colour-success-fg);
-    -webkit-mask-image: var(--icon-info);
-    mask-image: var(--icon-info);
-}
-div.tip > p.admonition-title::before {
-    background-color: var(--colour-success-fg);
-    -webkit-mask-image: var(--icon-info);
-    mask-image: var(--icon-info);
-}
-div.admonition-todo > p.admonition-title::before {
-    background-color: var(--colour-todo-fg);
-    -webkit-mask-image: var(--icon-pencil);
-    mask-image: var(--icon-pencil);
-}
-div.warning > p.admonition-title::before {
-    background-color: var(--colour-warning-fg);
-    -webkit-mask-image: var(--icon-warning);
-    mask-image: var(--icon-warning);
-}
-div.caution,
-div.important,
-div.warning {
-    border-color: var(--colour-warning-fg);
-}
-div.attention,
-div.danger,
-div.error {
-    border-color: var(--colour-error-fg);
-}
-
-div.admonition > ul,
-div.admonition > ol,
-div.warning > ul,
-div.warning > ol {
-    margin: 0.1em 0.5em 0.5em 3em;
-    padding: 0;
-}
-
-div.admonition div.highlight {
-    background: none;
-}
-
-.viewcode-back {
-    font-family: var(--fonts-sans-serif);
-}
-
-div.viewcode-block:target {
-    background-color: #f4debf;
-    border-top: 1px solid #ac9;
-    border-bottom: 1px solid #ac9;
-}
-
-
-/* media queries */
-
-/* Reduce padding & margins for smaller screens */
-@media (max-width: 768px) {
-    .sphinxsidebar {
-        display: none;
-    }
-    div.body {
-        border-left: none;
-        padding-left: 0.5em;
-        padding-right: 0.5em;
-    }
-}
-
-/* Next/previous content footer */
-.related-pages {
-  display: flex;
-  flex-direction: row;
-  justify-content: space-between;
-  margin-top: 2rem;
-  font-size: smaller;
-}
-.related-pages .next-page {
-  text-align: right;
-}
-.related-pages a.prev-page,
-.related-pages a.next-page {
-    flex: 1 1 0%;
-    display: flex;
-    align-items: center;
-    border-radius: .25rem;
-    padding: .25rem;
-    text-decoration: none;
-}
-.related-pages a.prev-page {
-    justify-content: flex-start;
-    padding-left: 0;
-}
-.related-pages a.next-page {
-    justify-content: flex-end;
-    padding-right: 0;
-}
-.related-pages a:hover {
-    background-color: #f8f8f8;
-}
-.related-pages a .context {
-    font-size: small;
-    color: #5f5f5f;
-}
-.related-pages svg {
-    height: .75rem;
-    width: .75rem;
-    margin: 0 .5rem;
-    flex-shrink: 0;
-}
-.related-pages .prev-page svg {
-    transform: rotate(180deg);
-}
-
-/* ReadtheDocs docs selector */
-/* see https://docs.readthedocs.io/en/stable/flyout-menu.html */
-.rst-versions.rst-badge {
-    background-color: #f7f7f7;
-    border: 1px solid var(--colour-sphinx-blue);
-    border-radius: var(--admonition-radius);
-    color: var(--colour-sphinx-blue);
-}
-.rst-versions .rst-current-version {
-    background-color: #f7f7f7;
-    border-radius: var(--admonition-radius);
-    color: var(--colour-sphinx-blue);
-}
-.rst-versions .rst-current-version .fa {
-    color: var(--colour-sphinx-blue);
-}
-.rst-versions .rst-other-versions {
-    border-radius: 0 0 var(--admonition-radius) var(--admonition-radius);
-    border-top: 1px solid var(--colour-sphinx-blue);
-    background-color: #f7f7f7;
-    color: var(--colour-text);
-}
-.rst-versions .rst-other-versions dd a {
-    color: var(--colour-sphinx-blue);
-}
-
-
-/* Landing page */
-.sphinx-tagline * {
-    hyphens: none !important;
-    font-style: italic !important;
-}
-/* By default align the sphinx-features one per-row and center them,
-then for larger screens align them two per-row. */
-.sphinx-features {
-    display: flex;
-    flex-wrap: wrap;
-    gap: 10px;
-    justify-content: center;
-}
-.sphinx-feature {
-    flex: 1 1 100%;
-    margin: 0 !important;
-    background-color: white !important;
-}
-.sphinx-feature p {
-    hyphens: none !important;
-}
-div.sphinx-feature > p.admonition-title {
-    background-color: #f7f7f7 !important;
-    padding-left: 1rem;
-    font-weight: bold;
-}
-div.sphinx-feature > p.admonition-title::before {
-    display: none;
-}
-@media (min-width: 768px) {
-    .sphinx-feature {
-        flex: 0 0 auto;
-        box-sizing: border-box;
-        width: 48%;
-    }
-}
-.sphinx-users {
-    text-align: center;
-    font-weight: 500;
-}
-.sphinx-users-logos {
-    display: flex;
-    flex-wrap: wrap;
-    justify-content: center;
-    gap: 10px;
-}
-
-.sphinx-users-logos .headerlink {
-    display: none;
-}
diff --git a/doc/_themes/sphinx13/theme.toml b/doc/_themes/sphinx13/theme.toml
deleted file mode 100644
index 1c19e68..0000000
--- a/doc/_themes/sphinx13/theme.toml
+++ /dev/null
@@ -1,5 +0,0 @@
-[theme]
-inherit = "basic"
-pygments_style = { default = "default" }
-sidebars = []
-name_of_theme = "sphinx13"
diff --git a/doc/conf.py b/doc/conf.py
index ef68c0d..a5fefc5 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -23,9 +23,23 @@
 # -- Options for HTML output -------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#options-for-html-output
 
-html_theme = 'sphinx13'
-html_theme_path = ['_themes']
-html_css_files = [
-    # 'basic.css',  # included through inheritance from the basic theme
-    'sphinx13.css',
-]
+html_theme = 'alabaster'
+html_sidebars = {
+    '**': [
+        'about.html',
+        'searchfield.html',
+        'navigation.html',
+        'relations.html',
+        'donate.html',
+    ]
+}
+
+html_theme_options = {
+    'show_relbar_top': 'true',
+    'page_width': '1200px',
+    'sidebar_width': '400px',
+    'code_font_family': 'Noto Sans Mono',
+    'font_family': 'Noto Sans',
+    'head_font_family': 'Noto Sans',
+    'caption_font_family': 'Noto Sans'
+}
\ No newline at end of file
diff --git a/doc/source/social/youtube.rst b/doc/source/social/youtube.rst
index b6702bd..81b3ea1 100644
--- a/doc/source/social/youtube.rst
+++ b/doc/source/social/youtube.rst
@@ -43,23 +43,17 @@ Video Requirements
 Video Template
 --------------
 
-.. note::
-   **Do not** include ``Author Name`` if they are already included in the source's name.
-
-   :No: ``Project Reality Standalone Trailer (Project Reality): https://youtu.be/vkYX41j6ZbA``
-   :Yes: ``Project Reality Standalone Trailer: https://youtu.be/vkYX41j6ZbA``
-
-.. list-table:: Template
+.. list-table::
    :header-rows: 1
 
    * - Title
      - Playlist
      - Tags
      - Category
-   * - ``Video Name • Video Subject``
-     - ``Generic Playlist``
-     - ``alternative title 1, alternative title 2, alternative title 3``
-     - ``People & Blogs``
+   * - Video Name • Video Subject
+     - Generic Playlist
+     - alternative title 1, alternative title 2, alternative title 3
+     - People & Blogs
 
 ::
 
@@ -98,3 +92,10 @@ Video Template
    • For non-commercial purposes only. Feel free to claim this video content if you own the song.
    
    #hashtag1 #hashtag2 #hashtag3
+
+
+.. note::
+   **Do not** include ``Author Name`` if they are already included in the source's name.
+
+   :No: Project Reality Standalone Trailer (Project Reality): https://youtu.be/vkYX41j6ZbA
+   :Yes: Project Reality Standalone Trailer: https://youtu.be/vkYX41j6ZbA