In every kingdom of styles, only one ruler may claim the throne. Editor’s Note: Before becoming Part I of The CSS Codex, The Laws of the Cascade was originally published on RandomThoughtsInTraffic.com. This updated edition expands on the original article with additional lessons, practical examples, and a deeper exploration of the rules governing how CSS resolves competing styles. The Invisible Throne When developers first begin learning CSS, they usually encounter it as a collection of individual instructions. A selector targets an element. A property changes its appearance. A value produces a visible result in the browser. At first, the relationship seems straightforward because the browser appears to simply follow instructions…