update repo code links

Author: libjohn

docs/01_georeference.html

@@ -2124,7 +2124,7 @@ <h2 id="overview">Overview</h2>
 <ul>
 <li><p><a href="/slides/"><strong>Slides</strong></a></p></li>
 <li><p><a href="https://guides.library.duke.edu/r-geospatial">Guide to geospatial applications using the R programming language</a></p></li>
-<li><p><a href="https://github.com/libjohn/map-spring2019">Code for Hands-on Workshop – Spring 2019</a></p></li>
+<li><p><a href="https://github.com/engine143/map-spring2020">Code for Hands-on Workshop – Spring 2020</a></p></li>
 </ul>
 <div class="sourceCode" id="cb1"><pre class="sourceCode r distill-force-highlighting-css"><code class="sourceCode r"></code></pre></div>
 <!--radix_placeholder_article_footer-->

docs/02_choropleth.html

@@ -2115,7 +2115,7 @@ <h1>Resources</h1>
 <div class="d-article">
 <h2 id="hands-on-exercises">Hands-on Exercises</h2>
 <ul>
-<li><a href="https://github.com/libjohn/map-spring2019">Code for Workshop – Spring 2019</a></li>
+<li><a href="https://github.com/engine143/map-spring2020">Code for Workshop – Spring 2020</a></li>
 </ul>
 <h2 id="supporting-materials">Supporting Materials</h2>
 <ul>

docs/index.html

@@ -6,6 +6,12 @@ table.mapview-popup {
     border-collapse: collapse;
 }
 
+/*
+table.mapview-popup tr:first-child td {
+    background: #A8E6A8;
+}
+*/
+
 table.mapview-popup tr:nth-child(even) {
     background: #D1E0FF;
 }