Few more formatting adjustments.

Author: BethanyG

reference/track_exercises_overview.md

@@ -1,7 +1,7 @@
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 <img align="left" width="90" height="90" src="https://github.com/exercism/website-icons/blob/main/tracks/python.svg">
-<p vertical-align="middle">Concept and Practice Exercises<h1>
+<p vertical-align="middle"><h1>Concept and Practice Exercises</h1>
 
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