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Added 4 Aug 2026
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ocean-vertical-tabs-8375
Ocean Vertical Tabs
Accordions & Tabs

Ocean Vertical Tabs

Side tab rail with a glowing ocean indicator that travels between sections.

Accordions & Tabstabsverticalindicatorsettings navocean
lines of CSS
59lines of CSS
dependencies
0dependencies
browser, for years
Everybrowser, for years
stops under reduced motion
Guardedstops under reduced motion
Backdrop
Open a live copy in

Vue, Svelte, styled-components and Tailwind exports are part of Pro. HTML, CSS and React are free forever.

ocean-vertical-tabs-8375.css
.fx-v5-tab-vert-ocean-8374 {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  width: 170px;
  padding-left: 2px;
}
.fx-v5-tab-vert-ocean-8374::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: rgba(255,255,255,0.08);
}
.fx-v5-tab-vert-ocean-8374 a {
  padding: 0.5rem 0.8rem;
  font-size: 0.84rem;
  color: #64748b;
  border-radius: 0 0.4rem 0.4rem 0;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, padding-left 0.25s ease;
}
.fx-v5-tab-vert-ocean-8374 a:hover { color: #cbd5e1; background: rgba(255,255,255,0.04); padding-left: 1rem; }
.fx-v5-tab-vert-ocean-8374 a.on { color: #0ea5e9; background: rgba(14,165,233, 0.1); }
.fx-v5-tab-vert-ocean-8374 .ind {
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 34px;
  border-radius: 2px;
  background: linear-gradient(180deg, #0ea5e9, #6366f1);
  box-shadow: 0 0 10px rgba(14,165,233, 0.7);
  animation: fx-v5-tab-vert-ocean-8374-travel 6s ease-in-out infinite;
}
@keyframes fx-v5-tab-vert-ocean-8374-travel {
  0%, 20%   { transform: translateY(0); }
  30%, 45%  { transform: translateY(34px); }
  55%, 70%  { transform: translateY(68px); }
  80%, 100% { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  .fx-v5-tab-vert-ocean-8374,
  .fx-v5-tab-vert-ocean-8374::before,
  .fx-v5-tab-vert-ocean-8374::after,
  .fx-v5-tab-vert-ocean-8374 *,
  .fx-v5-tab-vert-ocean-8374 *::before,
  .fx-v5-tab-vert-ocean-8374 *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
    transition-duration: 1ms !important;
    transition-delay: 0ms !important;
  }
}
ocean-vertical-tabs-8375.html
<div class="fx-v5-tab-vert-ocean-8374">
  <a class="on">Overview</a>
  <a>Activity</a>
  <a>Members</a>
  <a>Billing</a>
  <i class="ind"></i>
</div>

What do I do with this?

  1. Put ocean-vertical-tabs-8375.css anywhere your page already loads CSS from — in Next.js that is app/globals.css, or any stylesheet with a <link> in your HTML.
  2. Then put the class on the element you want it on: <button class="fx-v5-tab-vert-ocean-8374">. The CSS does nothing until a class name in it matches something on the page.
  • Link the stylesheet, then paste the markup wherever you need it.
npx hoverlab add ocean-vertical-tabs-8375

What's included

  • The markup and the stylesheet, in whichever framework you pick
  • No runtime dependencies

Works with

  • React
  • Vue
  • Svelte
  • Tailwind
  • styled-components
  • Plain CSS

npx hoverlab add ocean-vertical-tabs-8375

Or over MCP, from your editor's agent — no account needed.

License

Free to read, copy and install, for personal and non-commercial projects. Shipping it in client work or a paid product needs Pro ($79 once). The source lands in your repo and stops being ours — no attribution, nothing to upgrade.

Was this useful?

Motion safety

Static estimate, read from the CSS

Reduced motion
Guarded

Ships a prefers-reduced-motion block, so the loop settles into its end state for visitors who ask for less motion.

What it animates
Reflows

Animates padding-left (and background, color). The browser re-lays-out the page on every frame; prefer transform if you can.

Flashing (WCAG 2.3.1)
No flashing found

No repeating change in opacity, colour or brightness large enough to count as a flash.

Layout shift (CLS)
May shift layout

Animates padding-left on a box in flow, so content beside or after it can move. A category from the CSS, not a measurement for this effect.

Every row is read from the shipped CSS. Only a figure marked measured came from a browser. Customizing the speed changes the timing, so recheck a customized copy. How it is computed

30 more effects in Accordions & Tabs

All of them free to read, copy and install — no account, no locked tiles, no watermarked preview. The whole catalog is open, and so are the API and the CLI.

Browse Accordions & Tabs

Shipping one commercially

Copying the code is free. Putting it in client work or a paid product is what Pro is for — the licence, not the access.

  • A commercial licence for everything in the catalog
  • Unlimited bundle exports, in Vue, Svelte and Tailwind
  • One payment — no subscription, nothing to renew
Pro — $79 once

7 variations of Ocean Vertical Tabs

Finished looks, each one a position in the customizer above. Copy any of them, or open it and keep moving the sliders.