Size of headings increased proportionally with their nesting because
their size was relative to the parent element (used em). This commit
makes headings from posts use rem instead which are relative to the
root HTML element.
<h1><div><h1>test</h1></div></h1> looks the same as <h1>test</h1> now.
Over the years we accrued many spelling mistakes in the code base.
This PR attempts to fix spelling mistakes and typos in all areas of the code that are extremely safe to change
- comments
- test descriptions
- other low risk areas
* DEV: refactor font sizing into css custom variables
Add font variables as css variables. Allows plugins/themes to update/overwrite the variables and have core pick up changes. This allows for a theme or plugin to overhaul core's font ratios if desired.
