Make pandoc use main.css

6 files changed, 152 insertions, 924 deletions

diff --git a/tutorials/pc_gaming/common-gfx-card-installation-woes.html b/tutorials/pc_gaming/common-gfx-card-installation-woes.html
index 286b4ab..c3731b2 100644
--- a/tutorials/pc_gaming/common-gfx-card-installation-woes.html
+++ b/tutorials/pc_gaming/common-gfx-card-installation-woes.html
@@ -6,154 +6,24 @@
 <meta content="width=device-width, initial-scale=1.0, user-scalable=yes" name="viewport"/>
 <title>common-gfx-card-installation-woes</title>
 <style>
-    html {
-      line-height: 1.5;
-      font-family: Georgia, serif;
-      font-size: 20px;
-      color: #1a1a1a;
-      background-color: #fdfdfd;
-    }
-    body {
-      margin: 0 auto;
-      max-width: 36em;
-      padding-left: 50px;
-      padding-right: 50px;
-      padding-top: 50px;
-      padding-bottom: 50px;
-      hyphens: auto;
-      overflow-wrap: break-word;
-      text-rendering: optimizeLegibility;
-      font-kerning: normal;
-    }
-    @media (max-width: 600px) {
-      body {
-        font-size: 0.9em;
-        padding: 1em;
-      }
-      h1 {
-        font-size: 1.8em;
-      }
-    }
-    @media print {
-      body {
-        background-color: transparent;
-        color: black;
-        font-size: 12pt;
-      }
-      p, h2, h3 {
-        orphans: 3;
-        widows: 3;
-      }
-      h2, h3, h4 {
-        page-break-after: avoid;
-      }
-    }
-    p {
-      margin: 1em 0;
-    }
-    a {
-      color: #1a1a1a;
-    }
-    a:visited {
-      color: #1a1a1a;
-    }
-    img {
-      max-width: 100%;
-    }
-    h1, h2, h3, h4, h5, h6 {
-      margin-top: 1.4em;
-    }
-    h5, h6 {
-      font-size: 1em;
-      font-style: italic;
-    }
-    h6 {
-      font-weight: normal;
-    }
-    ol, ul {
-      padding-left: 1.7em;
-      margin-top: 1em;
-    }
-    li > ol, li > ul {
-      margin-top: 0;
-    }
-    blockquote {
-      margin: 1em 0 1em 1.7em;
-      padding-left: 1em;
-      border-left: 2px solid #e6e6e6;
-      color: #606060;
-    }
-    code {
-      font-family: Menlo, Monaco, 'Lucida Console', Consolas, monospace;
-      font-size: 85%;
-      margin: 0;
-    }
-    pre {
-      margin: 1em 0;
-      overflow: auto;
-    }
-    pre code {
-      padding: 0;
-      overflow: visible;
-      overflow-wrap: normal;
-    }
-    .sourceCode {
-     background-color: transparent;
-     overflow: visible;
-    }
-    hr {
-      background-color: #1a1a1a;
-      border: none;
-      height: 1px;
-      margin: 1em 0;
-    }
-    table {
-      margin: 1em 0;
-      border-collapse: collapse;
-      width: 100%;
-      overflow-x: auto;
-      display: block;
-      font-variant-numeric: lining-nums tabular-nums;
-    }
-    table caption {
-      margin-bottom: 0.75em;
-    }
-    tbody {
-      margin-top: 0.5em;
-      border-top: 1px solid #1a1a1a;
-      border-bottom: 1px solid #1a1a1a;
-    }
-    th {
-      border-top: 1px solid #1a1a1a;
-      padding: 0.25em 0.5em 0.25em 0.5em;
-    }
-    td {
-      padding: 0.125em 0.5em 0.25em 0.5em;
-    }
-    header {
-      margin-bottom: 4em;
-      text-align: center;
-    }
-    #TOC li {
-      list-style: none;
-    }
-    #TOC ul {
-      padding-left: 1.3em;
-    }
-    #TOC > ul {
-      padding-left: 0;
-    }
-    #TOC a:not(:hover) {
-      text-decoration: none;
-    }
     code{white-space: pre-wrap;}
     span.smallcaps{font-variant: small-caps;}
-    span.underline{text-decoration: underline;}
-    div.column{display: inline-block; vertical-align: top; width: 50%;}
+    div.columns{display: flex; gap: min(4vw, 1.5em);}
+    div.column{flex: auto; overflow-x: auto;}
     div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
-    ul.task-list{list-style: none;}
+    /* The extra [class] is a hack that increases specificity enough to
+       override a similar rule in reveal.js */
+    ul.task-list[class]{list-style: none;}
+    ul.task-list li input[type="checkbox"] {
+      font-size: inherit;
+      width: 0.8em;
+      margin: 0 0.8em 0.2em -1.6em;
+      vertical-align: middle;
+    }
+    .display.math{display: block; text-align: center; margin: 0.5rem auto;}
+    /* CSS for syntax highlighting */
     pre > code.sourceCode { white-space: pre; position: relative; }
-    pre > code.sourceCode > span { display: inline-block; line-height: 1.25; }
+    pre > code.sourceCode > span { line-height: 1.25; }
     pre > code.sourceCode > span:empty { height: 1.2em; }
     .sourceCode { overflow: visible; }
     code.sourceCode > span { color: inherit; text-decoration: inherit; }
@@ -215,26 +85,25 @@
     code span.va { color: #19177c; } /* Variable */
     code span.vs { color: #4070a0; } /* VerbatimString */
     code span.wa { color: #60a0b0; font-weight: bold; font-style: italic; } /* Warning */
-    .display.math{display: block; text-align: center; margin: 0.5rem auto;}
   </style>
+<link href="../../static/main.css" rel="stylesheet"/>
 </head>
 <body>
 <nav id="TOC" role="doc-toc">
 <h2 id="toc-title">Contents</h2>
 <ul>
-<li><a href="#step-1-the-replacement" target="_self">Step 1: The Replacement</a></li>
-<li><a href="#step-2-re-installing-the-drivers" target="_self">Step 2: Re-installing
-the drivers</a>
+<li><a href="#step-1-the-replacement" id="toc-step-1-the-replacement" target="_self">Step 1: The Replacement</a></li>
+<li><a href="#step-2-re-installing-the-drivers" id="toc-step-2-re-installing-the-drivers" target="_self">Step 2: Re-installing the
+drivers</a>
 <ul>
-<li><a href="#part-one-fix-broken-packages" target="_self">Part one: Fix Broken
+<li><a href="#part-one-fix-broken-packages" id="toc-part-one-fix-broken-packages" target="_self">Part one: Fix Broken
 Packages</a></li>
-<li><a href="#part-two-re-install-nvidia-driver" target="_self">Part two: Re-install
+<li><a href="#part-two-re-install-nvidia-driver" id="toc-part-two-re-install-nvidia-driver" target="_self">Part two: Re-install
 nvidia-driver</a></li>
-<li><a href="#part-negative-three-just-in-case" target="_self">Part negative three:
-Just in case</a></li>
+<li><a href="#part-negative-three-just-in-case" id="toc-part-negative-three-just-in-case" target="_self">Part negative three: Just in
+case</a></li>
 </ul></li>
-<li><a href="#step-three-reboot-and-test" target="_self">Step three: Reboot and
-test</a></li>
+<li><a href="#step-three-reboot-and-test" id="toc-step-three-reboot-and-test" target="_self">Step three: Reboot and test</a></li>
 </ul>
 </nav>
 <p>I recently upgraded by PC from an Nvidia 1050 Ti card to a new 3060
diff --git a/tutorials/splunk/i-found-out-splunk-macros-are-awesome.html b/tutorials/splunk/i-found-out-splunk-macros-are-awesome.html
index 10e8567..d1ea507 100644
--- a/tutorials/splunk/i-found-out-splunk-macros-are-awesome.html
+++ b/tutorials/splunk/i-found-out-splunk-macros-are-awesome.html
@@ -6,154 +6,23 @@
 <meta content="width=device-width, initial-scale=1.0, user-scalable=yes" name="viewport"/>
 <title>i-found-out-splunk-macros-are-awesome</title>
 <style>
-    html {
-      line-height: 1.5;
-      font-family: Georgia, serif;
-      font-size: 20px;
-      color: #1a1a1a;
-      background-color: #fdfdfd;
-    }
-    body {
-      margin: 0 auto;
-      max-width: 36em;
-      padding-left: 50px;
-      padding-right: 50px;
-      padding-top: 50px;
-      padding-bottom: 50px;
-      hyphens: auto;
-      overflow-wrap: break-word;
-      text-rendering: optimizeLegibility;
-      font-kerning: normal;
-    }
-    @media (max-width: 600px) {
-      body {
-        font-size: 0.9em;
-        padding: 1em;
-      }
-      h1 {
-        font-size: 1.8em;
-      }
-    }
-    @media print {
-      body {
-        background-color: transparent;
-        color: black;
-        font-size: 12pt;
-      }
-      p, h2, h3 {
-        orphans: 3;
-        widows: 3;
-      }
-      h2, h3, h4 {
-        page-break-after: avoid;
-      }
-    }
-    p {
-      margin: 1em 0;
-    }
-    a {
-      color: #1a1a1a;
-    }
-    a:visited {
-      color: #1a1a1a;
-    }
-    img {
-      max-width: 100%;
-    }
-    h1, h2, h3, h4, h5, h6 {
-      margin-top: 1.4em;
-    }
-    h5, h6 {
-      font-size: 1em;
-      font-style: italic;
-    }
-    h6 {
-      font-weight: normal;
-    }
-    ol, ul {
-      padding-left: 1.7em;
-      margin-top: 1em;
-    }
-    li > ol, li > ul {
-      margin-top: 0;
-    }
-    blockquote {
-      margin: 1em 0 1em 1.7em;
-      padding-left: 1em;
-      border-left: 2px solid #e6e6e6;
-      color: #606060;
-    }
-    code {
-      font-family: Menlo, Monaco, 'Lucida Console', Consolas, monospace;
-      font-size: 85%;
-      margin: 0;
-    }
-    pre {
-      margin: 1em 0;
-      overflow: auto;
-    }
-    pre code {
-      padding: 0;
-      overflow: visible;
-      overflow-wrap: normal;
-    }
-    .sourceCode {
-     background-color: transparent;
-     overflow: visible;
-    }
-    hr {
-      background-color: #1a1a1a;
-      border: none;
-      height: 1px;
-      margin: 1em 0;
-    }
-    table {
-      margin: 1em 0;
-      border-collapse: collapse;
-      width: 100%;
-      overflow-x: auto;
-      display: block;
-      font-variant-numeric: lining-nums tabular-nums;
-    }
-    table caption {
-      margin-bottom: 0.75em;
-    }
-    tbody {
-      margin-top: 0.5em;
-      border-top: 1px solid #1a1a1a;
-      border-bottom: 1px solid #1a1a1a;
-    }
-    th {
-      border-top: 1px solid #1a1a1a;
-      padding: 0.25em 0.5em 0.25em 0.5em;
-    }
-    td {
-      padding: 0.125em 0.5em 0.25em 0.5em;
-    }
-    header {
-      margin-bottom: 4em;
-      text-align: center;
-    }
-    #TOC li {
-      list-style: none;
-    }
-    #TOC ul {
-      padding-left: 1.3em;
-    }
-    #TOC > ul {
-      padding-left: 0;
-    }
-    #TOC a:not(:hover) {
-      text-decoration: none;
-    }
     code{white-space: pre-wrap;}
     span.smallcaps{font-variant: small-caps;}
-    span.underline{text-decoration: underline;}
-    div.column{display: inline-block; vertical-align: top; width: 50%;}
+    div.columns{display: flex; gap: min(4vw, 1.5em);}
+    div.column{flex: auto; overflow-x: auto;}
     div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
-    ul.task-list{list-style: none;}
+    /* The extra [class] is a hack that increases specificity enough to
+       override a similar rule in reveal.js */
+    ul.task-list[class]{list-style: none;}
+    ul.task-list li input[type="checkbox"] {
+      font-size: inherit;
+      width: 0.8em;
+      margin: 0 0.8em 0.2em -1.6em;
+      vertical-align: middle;
+    }
     .display.math{display: block; text-align: center; margin: 0.5rem auto;}
   </style>
+<link href="../../static/main.css" rel="stylesheet"/>
 </head>
 <body>
 <p>Macros are for more than just canned searches.</p>
@@ -173,13 +42,14 @@ time. That report might look something like this:</p>
 <p>I can easily review that lookup like so:</p>
 <p><code>| inputlookup vpn_users.csv</code></p>
 <p>My boss might be happy that I'm keeping an eye on things, but what's
-the historical picture? How do I know what's a red flag and what isn't?
-What I might do is combine all of the days reports into one each day,
-and then compare each today. But in the original report logic, this gets
-overwritten every 12 hours. You could just append forever, but then
-you're not looking at just twelve hours, unless you add a time
-constraint to your search. How do I get to a daily report without
-interrupting the reports already running?</p>
+the historical picture? How do I know what's a red flag and what
+isn't?</p>
+<p>What I might do is combine all of the days' reports into one each
+day, and then compare each one to today's. But in the original report
+logic, this gets overwritten every 12 hours. You could just append
+forever, but then you're not looking at just twelve hours, unless you
+add a time constraint to your search. How do I get to a daily report
+without interrupting the reports already running?</p>
 <p>One way to do it is to create a second combined report unique to that
 day, for example 'vpn_users-2022_11_17.csv'. The way you insert that
 text is with a macro, defined for the current date. For this particular
diff --git a/tutorials/tor/how-to-host-a-tor-hidden-service.html b/tutorials/tor/how-to-host-a-tor-hidden-service.html
index de381e5..b2a6ed7 100644
--- a/tutorials/tor/how-to-host-a-tor-hidden-service.html
+++ b/tutorials/tor/how-to-host-a-tor-hidden-service.html
@@ -6,164 +6,35 @@
 <meta content="width=device-width, initial-scale=1.0, user-scalable=yes" name="viewport"/>
 <title>how-to-host-a-tor-hidden-service</title>
 <style>
-    html {
-      line-height: 1.5;
-      font-family: Georgia, serif;
-      font-size: 20px;
-      color: #1a1a1a;
-      background-color: #fdfdfd;
-    }
-    body {
-      margin: 0 auto;
-      max-width: 36em;
-      padding-left: 50px;
-      padding-right: 50px;
-      padding-top: 50px;
-      padding-bottom: 50px;
-      hyphens: auto;
-      overflow-wrap: break-word;
-      text-rendering: optimizeLegibility;
-      font-kerning: normal;
-    }
-    @media (max-width: 600px) {
-      body {
-        font-size: 0.9em;
-        padding: 1em;
-      }
-      h1 {
-        font-size: 1.8em;
-      }
-    }
-    @media print {
-      body {
-        background-color: transparent;
-        color: black;
-        font-size: 12pt;
-      }
-      p, h2, h3 {
-        orphans: 3;
-        widows: 3;
-      }
-      h2, h3, h4 {
-        page-break-after: avoid;
-      }
-    }
-    p {
-      margin: 1em 0;
-    }
-    a {
-      color: #1a1a1a;
-    }
-    a:visited {
-      color: #1a1a1a;
-    }
-    img {
-      max-width: 100%;
-    }
-    h1, h2, h3, h4, h5, h6 {
-      margin-top: 1.4em;
-    }
-    h5, h6 {
-      font-size: 1em;
-      font-style: italic;
-    }
-    h6 {
-      font-weight: normal;
-    }
-    ol, ul {
-      padding-left: 1.7em;
-      margin-top: 1em;
-    }
-    li > ol, li > ul {
-      margin-top: 0;
-    }
-    blockquote {
-      margin: 1em 0 1em 1.7em;
-      padding-left: 1em;
-      border-left: 2px solid #e6e6e6;
-      color: #606060;
-    }
-    code {
-      font-family: Menlo, Monaco, 'Lucida Console', Consolas, monospace;
-      font-size: 85%;
-      margin: 0;
-    }
-    pre {
-      margin: 1em 0;
-      overflow: auto;
-    }
-    pre code {
-      padding: 0;
-      overflow: visible;
-      overflow-wrap: normal;
-    }
-    .sourceCode {
-     background-color: transparent;
-     overflow: visible;
-    }
-    hr {
-      background-color: #1a1a1a;
-      border: none;
-      height: 1px;
-      margin: 1em 0;
-    }
-    table {
-      margin: 1em 0;
-      border-collapse: collapse;
-      width: 100%;
-      overflow-x: auto;
-      display: block;
-      font-variant-numeric: lining-nums tabular-nums;
-    }
-    table caption {
-      margin-bottom: 0.75em;
-    }
-    tbody {
-      margin-top: 0.5em;
-      border-top: 1px solid #1a1a1a;
-      border-bottom: 1px solid #1a1a1a;
-    }
-    th {
-      border-top: 1px solid #1a1a1a;
-      padding: 0.25em 0.5em 0.25em 0.5em;
-    }
-    td {
-      padding: 0.125em 0.5em 0.25em 0.5em;
-    }
-    header {
-      margin-bottom: 4em;
-      text-align: center;
-    }
-    #TOC li {
-      list-style: none;
-    }
-    #TOC ul {
-      padding-left: 1.3em;
-    }
-    #TOC > ul {
-      padding-left: 0;
-    }
-    #TOC a:not(:hover) {
-      text-decoration: none;
-    }
     code{white-space: pre-wrap;}
     span.smallcaps{font-variant: small-caps;}
-    span.underline{text-decoration: underline;}
-    div.column{display: inline-block; vertical-align: top; width: 50%;}
+    div.columns{display: flex; gap: min(4vw, 1.5em);}
+    div.column{flex: auto; overflow-x: auto;}
     div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
-    ul.task-list{list-style: none;}
+    /* The extra [class] is a hack that increases specificity enough to
+       override a similar rule in reveal.js */
+    ul.task-list[class]{list-style: none;}
+    ul.task-list li input[type="checkbox"] {
+      font-size: inherit;
+      width: 0.8em;
+      margin: 0 0.8em 0.2em -1.6em;
+      vertical-align: middle;
+    }
     .display.math{display: block; text-align: center; margin: 0.5rem auto;}
   </style>
+<link href="../../static/main.css" rel="stylesheet"/>
 </head>
 <body>
 <nav id="TOC" role="doc-toc">
 <h2 id="toc-title">Contents</h2>
 <ul>
-<li><a href="#how-to-spin-up-a-temporary-hidden-file-share-with-python" target="_self">How to
+<li><a href="#how-to-spin-up-a-temporary-hidden-file-share-with-python" id="toc-how-to-spin-up-a-temporary-hidden-file-share-with-python" target="_self">How to
 spin up a temporary hidden file share with Python</a>
 <ul>
-<li><a href="#configure-tor" target="_self">Configure Tor</a></li>
-<li><a href="#set-up-the-server" target="_self">Set up the server</a></li>
+<li><a href="#configure-tor" id="toc-configure-tor" target="_self">Configure
+Tor</a></li>
+<li><a href="#set-up-the-server" id="toc-set-up-the-server" target="_self">Set up the
+server</a></li>
 </ul></li>
 </ul>
 </nav>
diff --git a/tutorials/vim/how-to-fix-neovim-nerdtree-rendering-issue.html b/tutorials/vim/how-to-fix-neovim-nerdtree-rendering-issue.html
index a3ab430..c90f1c2 100644
--- a/tutorials/vim/how-to-fix-neovim-nerdtree-rendering-issue.html
+++ b/tutorials/vim/how-to-fix-neovim-nerdtree-rendering-issue.html
@@ -6,154 +6,24 @@
 <meta content="width=device-width, initial-scale=1.0, user-scalable=yes" name="viewport"/>
 <title>how-to-fix-neovim-nerdtree-rendering-issue</title>
 <style>
-    html {
-      line-height: 1.5;
-      font-family: Georgia, serif;
-      font-size: 20px;
-      color: #1a1a1a;
-      background-color: #fdfdfd;
-    }
-    body {
-      margin: 0 auto;
-      max-width: 36em;
-      padding-left: 50px;
-      padding-right: 50px;
-      padding-top: 50px;
-      padding-bottom: 50px;
-      hyphens: auto;
-      overflow-wrap: break-word;
-      text-rendering: optimizeLegibility;
-      font-kerning: normal;
-    }
-    @media (max-width: 600px) {
-      body {
-        font-size: 0.9em;
-        padding: 1em;
-      }
-      h1 {
-        font-size: 1.8em;
-      }
-    }
-    @media print {
-      body {
-        background-color: transparent;
-        color: black;
-        font-size: 12pt;
-      }
-      p, h2, h3 {
-        orphans: 3;
-        widows: 3;
-      }
-      h2, h3, h4 {
-        page-break-after: avoid;
-      }
-    }
-    p {
-      margin: 1em 0;
-    }
-    a {
-      color: #1a1a1a;
-    }
-    a:visited {
-      color: #1a1a1a;
-    }
-    img {
-      max-width: 100%;
-    }
-    h1, h2, h3, h4, h5, h6 {
-      margin-top: 1.4em;
-    }
-    h5, h6 {
-      font-size: 1em;
-      font-style: italic;
-    }
-    h6 {
-      font-weight: normal;
-    }
-    ol, ul {
-      padding-left: 1.7em;
-      margin-top: 1em;
-    }
-    li > ol, li > ul {
-      margin-top: 0;
-    }
-    blockquote {
-      margin: 1em 0 1em 1.7em;
-      padding-left: 1em;
-      border-left: 2px solid #e6e6e6;
-      color: #606060;
-    }
-    code {
-      font-family: Menlo, Monaco, 'Lucida Console', Consolas, monospace;
-      font-size: 85%;
-      margin: 0;
-    }
-    pre {
-      margin: 1em 0;
-      overflow: auto;
-    }
-    pre code {
-      padding: 0;
-      overflow: visible;
-      overflow-wrap: normal;
-    }
-    .sourceCode {
-     background-color: transparent;
-     overflow: visible;
-    }
-    hr {
-      background-color: #1a1a1a;
-      border: none;
-      height: 1px;
-      margin: 1em 0;
-    }
-    table {
-      margin: 1em 0;
-      border-collapse: collapse;
-      width: 100%;
-      overflow-x: auto;
-      display: block;
-      font-variant-numeric: lining-nums tabular-nums;
-    }
-    table caption {
-      margin-bottom: 0.75em;
-    }
-    tbody {
-      margin-top: 0.5em;
-      border-top: 1px solid #1a1a1a;
-      border-bottom: 1px solid #1a1a1a;
-    }
-    th {
-      border-top: 1px solid #1a1a1a;
-      padding: 0.25em 0.5em 0.25em 0.5em;
-    }
-    td {
-      padding: 0.125em 0.5em 0.25em 0.5em;
-    }
-    header {
-      margin-bottom: 4em;
-      text-align: center;
-    }
-    #TOC li {
-      list-style: none;
-    }
-    #TOC ul {
-      padding-left: 1.3em;
-    }
-    #TOC > ul {
-      padding-left: 0;
-    }
-    #TOC a:not(:hover) {
-      text-decoration: none;
-    }
     code{white-space: pre-wrap;}
     span.smallcaps{font-variant: small-caps;}
-    span.underline{text-decoration: underline;}
-    div.column{display: inline-block; vertical-align: top; width: 50%;}
+    div.columns{display: flex; gap: min(4vw, 1.5em);}
+    div.column{flex: auto; overflow-x: auto;}
     div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
-    ul.task-list{list-style: none;}
+    /* The extra [class] is a hack that increases specificity enough to
+       override a similar rule in reveal.js */
+    ul.task-list[class]{list-style: none;}
+    ul.task-list li input[type="checkbox"] {
+      font-size: inherit;
+      width: 0.8em;
+      margin: 0 0.8em 0.2em -1.6em;
+      vertical-align: middle;
+    }
+    .display.math{display: block; text-align: center; margin: 0.5rem auto;}
+    /* CSS for syntax highlighting */
     pre > code.sourceCode { white-space: pre; position: relative; }
-    pre > code.sourceCode > span { display: inline-block; line-height: 1.25; }
+    pre > code.sourceCode > span { line-height: 1.25; }
     pre > code.sourceCode > span:empty { height: 1.2em; }
     .sourceCode { overflow: visible; }
     code.sourceCode > span { color: inherit; text-decoration: inherit; }
@@ -215,16 +85,17 @@
     code span.va { color: #19177c; } /* Variable */
     code span.vs { color: #4070a0; } /* VerbatimString */
     code span.wa { color: #60a0b0; font-weight: bold; font-style: italic; } /* Warning */
-    .display.math{display: block; text-align: center; margin: 0.5rem auto;}
   </style>
+<link href="../../static/main.css" rel="stylesheet"/>
 </head>
 <body>
 <nav id="TOC" role="doc-toc">
 <h2 id="toc-title">Contents</h2>
 <ul>
-<li><a href="#the-problem" target="_self">The Problem</a></li>
-<li><a href="#the-attempt" target="_self">The Attempt</a></li>
-<li><a href="#the-actual-solution" target="_self">The Actual Solution</a></li>
+<li><a href="#the-problem" id="toc-the-problem" target="_self">The Problem</a></li>
+<li><a href="#the-attempt" id="toc-the-attempt" target="_self">The Attempt</a></li>
+<li><a href="#the-actual-solution" id="toc-the-actual-solution" target="_self">The
+Actual Solution</a></li>
 </ul>
 </nav>
 <p>I really like neovim since <a href="https://github.com/neoclide/coc.nvim">COC</a> is integrated with
diff --git a/tutorials/www/how-to-make-this-site.html b/tutorials/www/how-to-make-this-site.html
index f3d674d..2a631e4 100644
--- a/tutorials/www/how-to-make-this-site.html
+++ b/tutorials/www/how-to-make-this-site.html
@@ -6,188 +6,60 @@
 <meta content="width=device-width, initial-scale=1.0, user-scalable=yes" name="viewport"/>
 <title>how-to-make-this-site</title>
 <style>
-    html {
-      line-height: 1.5;
-      font-family: Georgia, serif;
-      font-size: 20px;
-      color: #1a1a1a;
-      background-color: #fdfdfd;
-    }
-    body {
-      margin: 0 auto;
-      max-width: 36em;
-      padding-left: 50px;
-      padding-right: 50px;
-      padding-top: 50px;
-      padding-bottom: 50px;
-      hyphens: auto;
-      overflow-wrap: break-word;
-      text-rendering: optimizeLegibility;
-      font-kerning: normal;
-    }
-    @media (max-width: 600px) {
-      body {
-        font-size: 0.9em;
-        padding: 1em;
-      }
-      h1 {
-        font-size: 1.8em;
-      }
-    }
-    @media print {
-      body {
-        background-color: transparent;
-        color: black;
-        font-size: 12pt;
-      }
-      p, h2, h3 {
-        orphans: 3;
-        widows: 3;
-      }
-      h2, h3, h4 {
-        page-break-after: avoid;
-      }
-    }
-    p {
-      margin: 1em 0;
-    }
-    a {
-      color: #1a1a1a;
-    }
-    a:visited {
-      color: #1a1a1a;
-    }
-    img {
-      max-width: 100%;
-    }
-    h1, h2, h3, h4, h5, h6 {
-      margin-top: 1.4em;
-    }
-    h5, h6 {
-      font-size: 1em;
-      font-style: italic;
-    }
-    h6 {
-      font-weight: normal;
-    }
-    ol, ul {
-      padding-left: 1.7em;
-      margin-top: 1em;
-    }
-    li > ol, li > ul {
-      margin-top: 0;
-    }
-    blockquote {
-      margin: 1em 0 1em 1.7em;
-      padding-left: 1em;
-      border-left: 2px solid #e6e6e6;
-      color: #606060;
-    }
-    code {
-      font-family: Menlo, Monaco, 'Lucida Console', Consolas, monospace;
-      font-size: 85%;
-      margin: 0;
-    }
-    pre {
-      margin: 1em 0;
-      overflow: auto;
-    }
-    pre code {
-      padding: 0;
-      overflow: visible;
-      overflow-wrap: normal;
-    }
-    .sourceCode {
-     background-color: transparent;
-     overflow: visible;
-    }
-    hr {
-      background-color: #1a1a1a;
-      border: none;
-      height: 1px;
-      margin: 1em 0;
-    }
-    table {
-      margin: 1em 0;
-      border-collapse: collapse;
-      width: 100%;
-      overflow-x: auto;
-      display: block;
-      font-variant-numeric: lining-nums tabular-nums;
-    }
-    table caption {
-      margin-bottom: 0.75em;
-    }
-    tbody {
-      margin-top: 0.5em;
-      border-top: 1px solid #1a1a1a;
-      border-bottom: 1px solid #1a1a1a;
-    }
-    th {
-      border-top: 1px solid #1a1a1a;
-      padding: 0.25em 0.5em 0.25em 0.5em;
-    }
-    td {
-      padding: 0.125em 0.5em 0.25em 0.5em;
-    }
-    header {
-      margin-bottom: 4em;
-      text-align: center;
-    }
-    #TOC li {
-      list-style: none;
-    }
-    #TOC ul {
-      padding-left: 1.3em;
-    }
-    #TOC > ul {
-      padding-left: 0;
-    }
-    #TOC a:not(:hover) {
-      text-decoration: none;
-    }
     code{white-space: pre-wrap;}
     span.smallcaps{font-variant: small-caps;}
-    span.underline{text-decoration: underline;}
-    div.column{display: inline-block; vertical-align: top; width: 50%;}
+    div.columns{display: flex; gap: min(4vw, 1.5em);}
+    div.column{flex: auto; overflow-x: auto;}
     div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
-    ul.task-list{list-style: none;}
+    /* The extra [class] is a hack that increases specificity enough to
+       override a similar rule in reveal.js */
+    ul.task-list[class]{list-style: none;}
+    ul.task-list li input[type="checkbox"] {
+      font-size: inherit;
+      width: 0.8em;
+      margin: 0 0.8em 0.2em -1.6em;
+      vertical-align: middle;
+    }
     .display.math{display: block; text-align: center; margin: 0.5rem auto;}
   </style>
+<link href="../../static/main.css" rel="stylesheet"/>
 </head>
 <body>
 <nav id="TOC" role="doc-toc">
 <h2 id="toc-title">Contents</h2>
 <ul>
-<li><a href="#background" target="_self">Background</a></li>
-<li><a href="#what-is-a-web-server-and-how-do-i-run-one" target="_self">What is a web
-server and how do I run one?</a>
+<li><a href="#background" id="toc-background" target="_self">Background</a></li>
+<li><a href="#what-is-a-web-server-and-how-do-i-run-one" id="toc-what-is-a-web-server-and-how-do-i-run-one" target="_self">What is a web server
+and how do I run one?</a>
 <ul>
-<li><a href="#getting-from-localhost-to-the-internet" target="_self">Getting from
-localhost to the internet</a></li>
+<li><a href="#getting-from-localhost-to-the-internet" id="toc-getting-from-localhost-to-the-internet" target="_self">Getting from localhost
+to the internet</a></li>
 </ul></li>
-<li><a href="#how-can-i-make-this-server-available-on-the-internet-cheaply-and-independently" target="_self">How
+<li><a href="#how-can-i-make-this-server-available-on-the-internet-cheaply-and-independently" id="toc-how-can-i-make-this-server-available-on-the-internet-cheaply-and-independently" target="_self">How
 can I make this server available on the Internet <em>cheaply</em> and
 <em>independently</em></a>
 <ul>
-<li><a href="#can-i-run-a-web-server-at-home" target="_self">Can I run a web server at
+<li><a href="#can-i-run-a-web-server-at-home" id="toc-can-i-run-a-web-server-at-home" target="_self">Can I run a web server at
 home</a></li>
-<li><a href="#so-what-should-i-do" target="_self">So what should I do</a></li>
+<li><a href="#so-what-should-i-do" id="toc-so-what-should-i-do" target="_self">So what
+should I do</a></li>
 </ul></li>
-<li><a href="#whats-a-domain-name" target="_self">What's a "Domain Name"</a></li>
-<li><a href="#setup-https-and-tls-for-some-sense-of-security" target="_self">Setup
-HTTPS and TLS, for some sense of security</a></li>
-<li><a href="#perspective" target="_self">Perspective</a></li>
-<li><a href="#references" target="_self">References</a>
+<li><a href="#whats-a-domain-name" id="toc-whats-a-domain-name" target="_self">What's a
+"Domain Name"</a></li>
+<li><a href="#setup-https-and-tls-for-some-sense-of-security" id="toc-setup-https-and-tls-for-some-sense-of-security" target="_self">Setup HTTPS and
+TLS, for some sense of security</a></li>
+<li><a href="#perspective" id="toc-perspective" target="_self">Perspective</a></li>
+<li><a href="#references" id="toc-references" target="_self">References</a>
 <ul>
-<li><a href="#terms-of-service-for-certain-isps" target="_self">Terms of service for
-certain ISPs</a>
+<li><a href="#terms-of-service-for-certain-isps" id="toc-terms-of-service-for-certain-isps" target="_self">Terms of service for certain
+ISPs</a>
 <ul>
-<li><a href="#verizon" target="_self">Verizon</a></li>
-<li><a href="#optimum" target="_self">Optimum</a></li>
-<li><a href="#spectrum" target="_self">Spectrum</a></li>
-<li><a href="#att" target="_self">AT&amp;T</a></li>
-<li><a href="#cox-communications" target="_self">Cox Communications</a></li>
+<li><a href="#verizon" id="toc-verizon" target="_self">Verizon</a></li>
+<li><a href="#optimum" id="toc-optimum" target="_self">Optimum</a></li>
+<li><a href="#spectrum" id="toc-spectrum" target="_self">Spectrum</a></li>
+<li><a href="#att" id="toc-att" target="_self">AT&amp;T</a></li>
+<li><a href="#cox-communications" id="toc-cox-communications" target="_self">Cox
+Communications</a></li>
 </ul></li>
 </ul></li>
 </ul>
diff --git a/tutorials/www/quick-intro-html-css.html b/tutorials/www/quick-intro-html-css.html
index 4cdb434..4248bd9 100644
--- a/tutorials/www/quick-intro-html-css.html
+++ b/tutorials/www/quick-intro-html-css.html
@@ -6,190 +6,65 @@
 <meta content="width=device-width, initial-scale=1.0, user-scalable=yes" name="viewport"/>
 <title>quick-intro-html-css</title>
 <style>
-    html {
-      line-height: 1.5;
-      font-family: Georgia, serif;
-      font-size: 20px;
-      color: #1a1a1a;
-      background-color: #fdfdfd;
-    }
-    body {
-      margin: 0 auto;
-      max-width: 36em;
-      padding-left: 50px;
-      padding-right: 50px;
-      padding-top: 50px;
-      padding-bottom: 50px;
-      hyphens: auto;
-      overflow-wrap: break-word;
-      text-rendering: optimizeLegibility;
-      font-kerning: normal;
-    }
-    @media (max-width: 600px) {
-      body {
-        font-size: 0.9em;
-        padding: 1em;
-      }
-      h1 {
-        font-size: 1.8em;
-      }
-    }
-    @media print {
-      body {
-        background-color: transparent;
-        color: black;
-        font-size: 12pt;
-      }
-      p, h2, h3 {
-        orphans: 3;
-        widows: 3;
-      }
-      h2, h3, h4 {
-        page-break-after: avoid;
-      }
-    }
-    p {
-      margin: 1em 0;
-    }
-    a {
-      color: #1a1a1a;
-    }
-    a:visited {
-      color: #1a1a1a;
-    }
-    img {
-      max-width: 100%;
-    }
-    h1, h2, h3, h4, h5, h6 {
-      margin-top: 1.4em;
-    }
-    h5, h6 {
-      font-size: 1em;
-      font-style: italic;
-    }
-    h6 {
-      font-weight: normal;
-    }
-    ol, ul {
-      padding-left: 1.7em;
-      margin-top: 1em;
-    }
-    li > ol, li > ul {
-      margin-top: 0;
-    }
-    blockquote {
-      margin: 1em 0 1em 1.7em;
-      padding-left: 1em;
-      border-left: 2px solid #e6e6e6;
-      color: #606060;
-    }
-    code {
-      font-family: Menlo, Monaco, 'Lucida Console', Consolas, monospace;
-      font-size: 85%;
-      margin: 0;
-    }
-    pre {
-      margin: 1em 0;
-      overflow: auto;
-    }
-    pre code {
-      padding: 0;
-      overflow: visible;
-      overflow-wrap: normal;
-    }
-    .sourceCode {
-     background-color: transparent;
-     overflow: visible;
-    }
-    hr {
-      background-color: #1a1a1a;
-      border: none;
-      height: 1px;
-      margin: 1em 0;
-    }
-    table {
-      margin: 1em 0;
-      border-collapse: collapse;
-      width: 100%;
-      overflow-x: auto;
-      display: block;
-      font-variant-numeric: lining-nums tabular-nums;
-    }
-    table caption {
-      margin-bottom: 0.75em;
-    }
-    tbody {
-      margin-top: 0.5em;
-      border-top: 1px solid #1a1a1a;
-      border-bottom: 1px solid #1a1a1a;
-    }
-    th {
-      border-top: 1px solid #1a1a1a;
-      padding: 0.25em 0.5em 0.25em 0.5em;
-    }
-    td {
-      padding: 0.125em 0.5em 0.25em 0.5em;
-    }
-    header {
-      margin-bottom: 4em;
-      text-align: center;
-    }
-    #TOC li {
-      list-style: none;
-    }
-    #TOC ul {
-      padding-left: 1.3em;
-    }
-    #TOC > ul {
-      padding-left: 0;
-    }
-    #TOC a:not(:hover) {
-      text-decoration: none;
-    }
     code{white-space: pre-wrap;}
     span.smallcaps{font-variant: small-caps;}
-    span.underline{text-decoration: underline;}
-    div.column{display: inline-block; vertical-align: top; width: 50%;}
+    div.columns{display: flex; gap: min(4vw, 1.5em);}
+    div.column{flex: auto; overflow-x: auto;}
     div.hanging-indent{margin-left: 1.5em; text-indent: -1.5em;}
-    ul.task-list{list-style: none;}
+    /* The extra [class] is a hack that increases specificity enough to
+       override a similar rule in reveal.js */
+    ul.task-list[class]{list-style: none;}
+    ul.task-list li input[type="checkbox"] {
+      font-size: inherit;
+      width: 0.8em;
+      margin: 0 0.8em 0.2em -1.6em;
+      vertical-align: middle;
+    }
     .display.math{display: block; text-align: center; margin: 0.5rem auto;}
   </style>
+<link href="../../static/main.css" rel="stylesheet"/>
 </head>
 <body>
 <nav id="TOC" role="doc-toc">
 <h2 id="toc-title">Contents</h2>
 <ul>
-<li><a href="#web-browsers-render-code" target="_self">Web browsers render code</a>
+<li><a href="#web-browsers-render-code" id="toc-web-browsers-render-code" target="_self">Web browsers render code</a>
 <ul>
-<li><a href="#html" target="_self">HTML</a>
+<li><a href="#html" id="toc-html" target="_self">HTML</a>
 <ul>
-<li><a href="#basic-format" target="_self">Basic Format</a></li>
-<li><a href="#tables-and-links" target="_self">Tables and Links</a></li>
-<li><a href="#and-everything-else..." target="_self">And Everything Else...</a>
+<li><a href="#basic-format" id="toc-basic-format" target="_self">Basic Format</a></li>
+<li><a href="#tables-and-links" id="toc-tables-and-links" target="_self">Tables and
+Links</a></li>
+<li><a href="#and-everything-else..." id="toc-and-everything-else..." target="_self">And Everything Else...</a>
 <ul>
-<li><a href="#shortlist-of-text-and-formatting-tags" target="_self">Shortlist of Text
-and Formatting Tags</a></li>
+<li><a href="#shortlist-of-text-and-formatting-tags" id="toc-shortlist-of-text-and-formatting-tags" target="_self">Shortlist of Text and
+Formatting Tags</a></li>
 </ul></li>
-<li><a href="#html-metadata" target="_self">HTML Metadata</a></li>
+<li><a href="#html-metadata" id="toc-html-metadata" target="_self">HTML
+Metadata</a></li>
 </ul></li>
-<li><a href="#css" target="_self">CSS</a>
+<li><a href="#css" id="toc-css" target="_self">CSS</a>
 <ul>
-<li><a href="#add-style-without-css" target="_self">Add style <em>without</em>
-CSS</a></li>
-<li><a href="#basic-formatting" target="_self">Basic Formatting</a></li>
-<li><a href="#image-formatting" target="_self">Image Formatting</a></li>
-<li><a href="#making-custom-classes" target="_self">Making Custom Classes</a>
+<li><a href="#add-style-without-css" id="toc-add-style-without-css" target="_self">Add
+style <em>without</em> CSS</a></li>
+<li><a href="#basic-formatting" id="toc-basic-formatting" target="_self">Basic
+Formatting</a></li>
+<li><a href="#image-formatting" id="toc-image-formatting" target="_self">Image
+Formatting</a></li>
+<li><a href="#making-custom-classes" id="toc-making-custom-classes" target="_self">Making Custom Classes</a>
 <ul>
-<li><a href="#use-the-div-tag-to-make-sections" target="_self">Use the div tag to make
+<li><a href="#use-the-div-tag-to-make-sections" id="toc-use-the-div-tag-to-make-sections" target="_self">Use the div tag to make
 sections</a></li>
 </ul></li>
-<li><a href="#mobile-optimization" target="_self">Mobile Optimization</a></li>
+<li><a href="#mobile-optimization" id="toc-mobile-optimization" target="_self">Mobile
+Optimization</a></li>
 </ul></li>
-<li><a href="#how-to-look-things-up" target="_self">How to look things up</a></li>
-<li><a href="#references" target="_self">References</a>
+<li><a href="#how-to-look-things-up" id="toc-how-to-look-things-up" target="_self">How
+to look things up</a></li>
+<li><a href="#references" id="toc-references" target="_self">References</a>
 <ul>
-<li><a href="#html-1" target="_self">HTML</a></li>
-<li><a href="#css-1" target="_self">CSS</a></li>
+<li><a href="#html-1" id="toc-html-1" target="_self">HTML</a></li>
+<li><a href="#css-1" id="toc-css-1" target="_self">CSS</a></li>
 </ul></li>
 </ul></li>
 </ul>