/* * nav.css * Navigation patterns: breadcrumbs, pagination, and the sidebar nav list. * * All three take their active state from `[aria-current]` rather than a * class, for the reason spelled out in tabs.css — a class lets the visual * state and the announced state drift apart. `aria-current="page"` is the * correct attribute for "this is the thing you are looking at", and it is * what a screen reader announces, so it is also what the CSS keys off. * * Every pattern here expects a landmark with a label, because a page with * three unlabelled