A unified/remark plugin that shifts all heading levels in a Markdown document up or down by a configurable amount. Useful when embedding Markdown content inside a page that already has an <h1>.
remark-shift-headings
Remark plugin to shift heading levels based on rendering context.
Powers
Projects that use remark-shift-headings as a dependency.
- tylerbutler.com
The very site you're looking at is a sandbox for various web experiments. (Sounds a lot more sinister than it is.)