collapsible sidebar

15 hand-coded CSS navigation menu designs covering every production navigation pattern developers ship in 2026 — horizontal navigation bar with hover underline, dropdown navigation menu, full mega menu with category columns and feature panel, hamburger menu with slide-out drawer, full-screen overlay navigation, sticky navigation bar with scroll shrink (scroll-driven CSS animation), sidebar navigation menu, tab navigation with animated sliding indicator, breadcrumb navigation, glassmorphism navigation (frosted-glass backdrop-filter pattern), animated navigation icons with labels, multi-level accordion navigation, navigation with magnetic hover effect, neon glow navigation menu, and morphing navigation pill indicator. 13 demos are 100% pure CSS using <code>:hover</code> + <code>:focus-within</code> + <code>:checked</code> state machines — drop into any stack with zero JS dependencies. 2 use ~20-50 lines of vanilla JavaScript for sticky-scroll behaviour and pointer-tracking magnetic hover effects. All ship semantic <code>&lt;nav&gt;</code> + <code>&lt;ul&gt;</code> markup with <code>aria-current="page"</code> on the active link, <code>aria-expanded</code> on toggles, <code>aria-haspopup</code> on dropdown triggers, respect <code>prefers-reduced-motion</code>, use scoped <code>.nav-NN__*</code> class names so multiple navs coexist on the same page without style bleed, ship with 44×44px tap targets (WCAG 2.5.5), MIT-licensed. Drop into React, Vue, Astro, Svelte, Rails ERB, plain HTML, WordPress, Shopify, or any other stack.

23 hand-coded CSS sidebar layouts — fixed, collapsible, off-canvas, dual, mini icon rail, two-pane mail, three-pane workspace and more. Accessible, copy-paste ready.

Hand-coded CSS sidebar navigation patterns — collapsible rails, drawer menus with text and icons, nested vertical navigation, sidebar dropdowns, sticky full-height layouts, glassmorphic blur, mobile slide-out overlays, and bottom-pinned profile sidebars. Pure CSS, no framework, copy-paste ready.