Intro prelim: this is a following my css-in-cljs method from my garden css has ascended, which was exceptionally good for the first draft/version of the project but eventually should cede to normal CSS once you are ready for hardening the product. The goal here is to remove all the per-html CSS rules that were so perfect for Dev with a single CSS file that can be called from all the html files in the project and is both far more efficient file-size wise, and the Right Way™ to do it for caching and synchronization.