use light navbar background by default for generated websites

Author: jjallaire

news/changelog-1.3.md

@@ -150,6 +150,7 @@
 - Improve title recognition for pages that don't include a title in metadata ([#4528](https://github.com/quarto-dev/quarto-cli/issues/4528))
 - Ensure that footnote are properly indexed for website and book searches ([#4601](https://github.com/quarto-dev/quarto-cli/issues/4601)).
 - Permit sidebar items to include icons ([#3830](https://github.com/quarto-dev/quarto-cli/issues/3830)).
+- Use light navbar background by default for generated websites.
 
 ## Books
 

src/resources/projects/website/templates/_quarto.ejs.yml

@@ -4,6 +4,7 @@ project:
 website:
   title: "<%= title %>"
   navbar:
+    background: light
     left:
       - href: index<%= ext %>
         text: Home

src/resources/projects/website/templates/blog/_quarto-blog.ejs.yml

@@ -4,6 +4,7 @@ project:
 website:
   title: "<%= title %>"
   navbar:
+    background: light
     right:
       - about<%= ext %>
       - icon: github