Add slight margin around community insight callouts

Helps visually distinguish them as sub-points of the preceding
paragraph, IMO.

blog/20250108-introducing-geojupyter/index.md

@@ -72,6 +72,8 @@ diverse backgrounds including education, data user support, Earth science, remot
 sensing, software engineering, and product development.
 Some themes we've preliminarily identified:
 
+::::::{style="margin: 20px"}
+
 :::{.callout-tip}
 ## Community insight
 
@@ -93,6 +95,8 @@ and debug geospatial data, which is notoriously "quirky".
 Many learners benefit from immediate visual feedback.
 :::
 
+::::::
+
 We will follow up soon with a more comprehensive blog post about our interviews.
 
 For early development, we have narrowed our focus on the educational user: teachers and