Repair logic for determining whether elements are inline.
Add support for display: none;
Finish refactor allowing for runs of inlines to be captured & passed to Balkon.
Correct `display: initial` to being `inline` rather than `block`.
Improve font styling & it's configurability, expose font-pattern in output.
Ensure units are converted correctly between CatTrap & Balkon.
Finish implementing preprocessing/CSS parsing & integrating everything with test script.
Parse CSS4 Grid properties.
Parse CSS Box model CSS properties, dispatch others to FontConfig & injected dependency.
Unit test calc() implementation!
Draft public API for CatTrap.