Improve layout extension docs

exampleSite/content/home/configuration.md

@@ -93,7 +93,7 @@ Here is where partials go for different presentations and places on the page.
 
 ---
 
-## Example customization
+## Custom CSS Example
 
 In `home/reveal-hugo/head.html`:
 
@@ -105,6 +105,10 @@ In `home/reveal-hugo/head.html`:
 </style>
 ```
 
+---
+
+## Custom JS Example
+
 In `home/reveal-hugo/body.html`:
 
 ```html

exampleSite/layouts/partials/home/reveal-hugo/head.html

@@ -15,4 +15,7 @@
 .reveal section pre > code {
   padding: 10px;
 }
+.reveal table {
+  font-size: 0.65em;
+}
 </style>