Screenshot of a webpage showing the code on the left with "h1" tags inside of nested article and section tags, and then on the right showing the result, where the h1 tag (the largest header type, supposedly) gets smaller and smaller as it nests but h2 stays the same
https://s3.wasabisys.com/pmg-media/media_attachments/files/113/734/985/822/813/141/original/03676ee3a19475f2.jpg