Complementary Space
Design spacing tokens semantically
CSS Inheritance, The Cascade And Global Scope: Your New Old Worst Best Friends — Smashing Magazine
I'm big on [modular design](https://www.smashingmagazine.com/2016/06/designing-modular-ui-systems-via-style-guide-driven-development/). I've long been sold on dividing websites into components, not pages, and amalgamating those components dynamically into interfaces. Flexibility, efficiency and maintainability abound.