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Nav Underline Effect

Animated underline on active nav link — smooth indicator for tabs and breadcrumbs.

Otwórz w Lab
css vanilla-js
Targety: JS HTML

Kod

Animated underline that follows the active link. Reference patterns from tabs-vertical and breadcrumb-nav.

Features

  • CSS transition for underline position/width
  • Single moving indicator or per-link underline
  • No dependencies