Update overview.md

docs/animation/overview.md

@@ -8,12 +8,15 @@ permalink: /animation/
 
 There are four primary components that must be implemented to support Animation functionality.
 
-##A4.0
+**A4.0**
+
 - [(Task 1) Spline Interpolation](camera_rays.md)
 - [(Task 2) Skeleton Kinematics](intersecting_objects.md)
-##A4.5
+
+**A4.5**
 - Soon to come
 
+
 Each of these components is described at the linked page.
 
 Additionally, the assignment specification asks you to create a video of your animation. Some brief technical notes on creating videos from images are [here](generate_videos.md).