diff --git a/slides/html/workshop.slides.html b/slides/html/workshop.slides.html
index 0cb8300..faf275d 100644
--- a/slides/html/workshop.slides.html
+++ b/slides/html/workshop.slides.html
@@ -31,7 +31,6 @@
 <meta
   name="keywords"
   content="technology, workshop, data visualization, Python, data science, slides" />
-<link rel="manifest" href="/favicon/site.webmanifest" />
 <meta
   property="og:url"
   content="https://stefaniemolin.com/python-data-viz-workshop/" />
@@ -55,7 +54,32 @@
 <meta property="og:image:height" content="1560" />
 
 <title>Beyond the Basics: Data Visualization in Python workshop slides | Stefanie Molin</title>
-<link rel="shortcut icon" type="image/x-icon" href="/favicon/favicon.ico"><script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/require.js/2.1.10/require.min.js"></script>
+<link rel="manifest" href="/favicon/site.webmanifest" />
+<link rel="shortcut icon" type="image/x-icon" href="/favicon/favicon.ico">
+<link
+    rel="apple-touch-icon"
+    sizes="180x180"
+    href="/favicon/apple-touch-icon.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="32x32"
+    href="/favicon/favicon-32x32.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="16x16"
+    href="/favicon/favicon-16x16.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="192x192"
+    href="/favicon/android-chrome-192x192.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="512x512"
+    href="/favicon/android-chrome-512x512.png" /><script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/require.js/2.1.10/require.min.js"></script>
 
 <!-- General and theme style sheets -->
 <link rel="stylesheet" href="https://unpkg.com/reveal.js@4.0.2/dist/reveal.css">
@@ -122778,9 +122802,9 @@ <h4 id="2.-Handle-HoloViz-imports-and-set-up-the-Matplotlib-backend.">2. Handle
 
 
 
-<div id="b58e017d-0a04-4983-abb9-d5b7e6fab167" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
+<div id="dc9019e3-43ce-49ac-bcdd-01341a6a8d56" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
 <script type="text/javascript">
-var element = document.getElementById('b58e017d-0a04-4983-abb9-d5b7e6fab167');
+var element = document.getElementById('dc9019e3-43ce-49ac-bcdd-01341a6a8d56');
 (function(root) {
   function now() {
     return new Date();
@@ -124509,9 +124533,9 @@ <h4 id="2.-Handle-HoloViz-imports-and-set-up-the-Matplotlib-backend.">2. Handle
 
 
 
-<div id="127658d6-6de4-4ddf-a3da-caa95e9b8128" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
+<div id="b2c560f5-c172-48e8-ba05-6c57e1e668b4" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
 <script type="text/javascript">
-var element = document.getElementById('127658d6-6de4-4ddf-a3da-caa95e9b8128');
+var element = document.getElementById('b2c560f5-c172-48e8-ba05-6c57e1e668b4');
 
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   window.PyViz = {comms: {}, comm_status:{}, kernels:{}, receivers: {}, plot_index: []}
@@ -125323,9 +125347,9 @@ <h3 id="Solution">Solution<a class="anchor-link" href="#Solution">&#182;</a></h3
 
 
 
-<div id="b8a8f67d-cbff-4a81-b423-244ae981be6b" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
+<div id="6465b99b-8658-496a-9d3e-3f613a936092" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
 <script type="text/javascript">
-var element = document.getElementById('b8a8f67d-cbff-4a81-b423-244ae981be6b');
+var element = document.getElementById('6465b99b-8658-496a-9d3e-3f613a936092');
 (function(root) {
   function now() {
     return new Date();
@@ -127054,9 +127078,9 @@ <h3 id="Solution">Solution<a class="anchor-link" href="#Solution">&#182;</a></h3
 
 
 
-<div id="7f857e4f-aed2-4a2b-8d6f-5f1bfcc3d99e" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
+<div id="f9a16a1a-8ecb-409a-8892-f8f5ca6825dd" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
 <script type="text/javascript">
-var element = document.getElementById('7f857e4f-aed2-4a2b-8d6f-5f1bfcc3d99e');
+var element = document.getElementById('f9a16a1a-8ecb-409a-8892-f8f5ca6825dd');
 
 if ((window.PyViz === undefined) || (window.PyViz instanceof HTMLElement)) {
   window.PyViz = {comms: {}, comm_status:{}, kernels:{}, receivers: {}, plot_index: []}
@@ -127898,9 +127922,9 @@ <h3 id="2.-Import-the-required-libraries-and-set-up-the-Bokeh-backend.">2. Impor
 
 
 
-<div id="d2c9450c-4ac0-4813-9704-8e88dfe6a0de" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
+<div id="8a9a3d38-1728-457e-887d-1dbcef22a32a" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
 <script type="text/javascript">
-var element = document.getElementById('d2c9450c-4ac0-4813-9704-8e88dfe6a0de');
+var element = document.getElementById('8a9a3d38-1728-457e-887d-1dbcef22a32a');
 (function(root) {
   function now() {
     return new Date();
@@ -129629,9 +129653,9 @@ <h3 id="2.-Import-the-required-libraries-and-set-up-the-Bokeh-backend.">2. Impor
 
 
 
-<div id="051bf72c-16da-4bbf-bbc1-2fdbd20da27f" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
+<div id="024cf703-7b87-4d68-a5fc-e4543cbb38f5" class="jp-RenderedJavaScript jp-OutputArea-output " data-mime-type="application/javascript">
 <script type="text/javascript">
-var element = document.getElementById('051bf72c-16da-4bbf-bbc1-2fdbd20da27f');
+var element = document.getElementById('024cf703-7b87-4d68-a5fc-e4543cbb38f5');
 
 if ((window.PyViz === undefined) || (window.PyViz instanceof HTMLElement)) {
   window.PyViz = {comms: {}, comm_status:{}, kernels:{}, receivers: {}, plot_index: []}
diff --git a/slides/templates/larger_font/index.html.j2 b/slides/templates/larger_font/index.html.j2
index 47ccdef..097d0e4 100644
--- a/slides/templates/larger_font/index.html.j2
+++ b/slides/templates/larger_font/index.html.j2
@@ -3,6 +3,7 @@
 {% set nb_title = nb.metadata.get('title', '') or resources['metadata']['name'] %}
 {% set repo_name = 'python-data-viz-workshop' %}
 {% set svg_plot_max_height = 650 %}
+{% set description = "The human brain excels at finding patterns in visual representations, which is why data visualizations are essential to any analysis. Done right, they bridge the gap between those analyzing the data and those consuming the analysis. However, learning to create impactful, aesthetically-pleasing visualizations can often be challenging. This session will equip you with the skills to make customized visualizations for your data using Python." %}
 
 {% from 'mathjax.html.j2' import mathjax %}
 {% from 'jupyter_widgets.html.j2' import jupyter_widgets %}
@@ -57,13 +58,13 @@
 <meta name="robots" content="index,follow" />
 <meta
   name="description"
-  content="The human brain excels at finding patterns in visual representations, which is why data visualizations are essential to any analysis. Done right, they bridge the gap between those analyzing the data and those consuming the analysis. However, learning to create impactful, aesthetically-pleasing visualizations can often be challenging. This session will equip you with the skills to make customized visualizations for your data using Python." />
+  content="{{description}}" />
 <meta
   property="og:title"
   content="{{title}} {{nb_title}} slides | Stefanie Molin" />
 <meta
   property="og:description"
-  content="The human brain excels at finding patterns in visual representations, which is why data visualizations are essential to any analysis. Done right, they bridge the gap between those analyzing the data and those consuming the analysis. However, learning to create impactful, aesthetically-pleasing visualizations can often be challenging. This session will equip you with the skills to make customized visualizations for your data using Python." />
+  content="{{description}}" />
 <meta
   property="og:image"
   content="https://ogcdn.net/e4b8c678-7bd5-445d-ba03-bfaad510c686/v3/stefaniemolin.com/Beyond%20the%20Basics%3A%20Data%20Visualization%20in%20Python%20workshop%20slides/https%3A%2F%2Fimages.unsplash.com%2Fphoto-1517783999520-f068d7431a60%3Fixid%3DMnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8%26ixlib%3Drb-1.2.1%26auto%3Dformat%26fit%3Dcrop%26w%3D2340%26q%3D80/og.png" />
@@ -74,7 +75,32 @@
 <meta property="og:image:height" content="1560" />
 
 <title>{{title}} {{nb_title}} slides | Stefanie Molin</title>
+<link rel="manifest" href="/favicon/site.webmanifest" />
 <link rel="shortcut icon" type="image/x-icon" href="/favicon/favicon.ico">
+<link
+    rel="apple-touch-icon"
+    sizes="180x180"
+    href="/favicon/apple-touch-icon.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="32x32"
+    href="/favicon/favicon-32x32.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="16x16"
+    href="/favicon/favicon-16x16.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="192x192"
+    href="/favicon/android-chrome-192x192.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="512x512"
+    href="/favicon/android-chrome-512x512.png" />
 
 {%- block html_head_js -%}
 {%- block html_head_js_jquery -%}
diff --git a/slides/templates/regular/index.html.j2 b/slides/templates/regular/index.html.j2
index 1995c26..0a28c2f 100644
--- a/slides/templates/regular/index.html.j2
+++ b/slides/templates/regular/index.html.j2
@@ -3,6 +3,7 @@
 {% set nb_title = nb.metadata.get('title', '') or resources['metadata']['name'] %}
 {% set repo_name = 'python-data-viz-workshop' %}
 {% set svg_plot_max_height = 375 %}
+{% set description = "The human brain excels at finding patterns in visual representations, which is why data visualizations are essential to any analysis. Done right, they bridge the gap between those analyzing the data and those consuming the analysis. However, learning to create impactful, aesthetically-pleasing visualizations can often be challenging. This session will equip you with the skills to make customized visualizations for your data using Python." %}
 
 {% from 'mathjax.html.j2' import mathjax %}
 {% from 'jupyter_widgets.html.j2' import jupyter_widgets %}
@@ -50,20 +51,19 @@
 <meta
   name="keywords"
   content="technology, workshop, data visualization, Python, data science, slides" />
-<link rel="manifest" href="/favicon/site.webmanifest" />
 <meta
   property="og:url"
   content="https://stefaniemolin.com/{{repo_name}}/" />
 <meta name="robots" content="index,follow" />
 <meta
   name="description"
-  content="The human brain excels at finding patterns in visual representations, which is why data visualizations are essential to any analysis. Done right, they bridge the gap between those analyzing the data and those consuming the analysis. However, learning to create impactful, aesthetically-pleasing visualizations can often be challenging. This session will equip you with the skills to make customized visualizations for your data using Python." />
+  content="{{description}}" />
 <meta
   property="og:title"
   content="{{title}} {{nb_title}} slides | Stefanie Molin" />
 <meta
   property="og:description"
-  content="The human brain excels at finding patterns in visual representations, which is why data visualizations are essential to any analysis. Done right, they bridge the gap between those analyzing the data and those consuming the analysis. However, learning to create impactful, aesthetically-pleasing visualizations can often be challenging. This session will equip you with the skills to make customized visualizations for your data using Python." />
+  content="{{description}}" />
 <meta
   property="og:image"
   content="https://ogcdn.net/e4b8c678-7bd5-445d-ba03-bfaad510c686/v3/stefaniemolin.com/Beyond%20the%20Basics%3A%20Data%20Visualization%20in%20Python%20workshop%20slides/https%3A%2F%2Fimages.unsplash.com%2Fphoto-1517783999520-f068d7431a60%3Fixid%3DMnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8%26ixlib%3Drb-1.2.1%26auto%3Dformat%26fit%3Dcrop%26w%3D2340%26q%3D80/og.png" />
@@ -74,7 +74,32 @@
 <meta property="og:image:height" content="1560" />
 
 <title>{{title}} {{nb_title}} slides | Stefanie Molin</title>
+<link rel="manifest" href="/favicon/site.webmanifest" />
 <link rel="shortcut icon" type="image/x-icon" href="/favicon/favicon.ico">
+<link
+    rel="apple-touch-icon"
+    sizes="180x180"
+    href="/favicon/apple-touch-icon.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="32x32"
+    href="/favicon/favicon-32x32.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="16x16"
+    href="/favicon/favicon-16x16.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="192x192"
+    href="/favicon/android-chrome-192x192.png" />
+<link
+    rel="icon"
+    type="image/png"
+    sizes="512x512"
+    href="/favicon/android-chrome-512x512.png" />
 
 {%- block html_head_js -%}
 {%- block html_head_js_jquery -%}