Merge pull request #12679 from lunarway/feature/techdocs-nav-highlight

Add highlight to active techdocs navigation item and parents

.changeset/itchy-mice-kiss.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-techdocs': patch
+---
+
+Add highlight to active navigation item and navigation parents.

plugins/techdocs/src/reader/transformers/styles/rules/layout.ts

@@ -49,6 +49,11 @@ export default ({ theme, sidebar }: RuleOptions) => `
   height: 20px !important;
 }
 
+.md-nav__item--active > .md-nav__link, a.md-nav__link--active {
+  text-decoration: underline;
+  color: var(--md-typeset-a-color);
+}
+
 .md-main__inner {
   margin-top: 0;
 }