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Added 2 Aug 2026
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ocean-route-progress-bar-6171
Ocean Route Progress Bar
Progress & Meters

Ocean Route Progress Bar

The thin ocean bar that rides the top of the viewport during a route change — races ahead, then fades at 100%.

Progress & Metersprogresstop-barroutenavigationnprogressocean
lines of CSS
37lines 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-route-progress-bar-6171.css
.fx-mpg-top-ocean-6170 {
  position: relative;
  width: 250px;
  height: 3px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
}
.fx-mpg-top-ocean-6170 span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #0ea5e9, #6366f1);
  box-shadow: 0 0 10px rgba(14,165,233, 0.9), 0 0 20px rgba(99,102,241, 0.5);
  animation: fx-mpg-top-ocean-6170-load 3.2s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}
@keyframes fx-mpg-top-ocean-6170-load {
  0%   { width: 0;    opacity: 1; }
  70%  { width: 88%;  opacity: 1; }
  92%  { width: 100%; opacity: 1; }
  100% { width: 100%; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .fx-mpg-top-ocean-6170,
  .fx-mpg-top-ocean-6170::before,
  .fx-mpg-top-ocean-6170::after,
  .fx-mpg-top-ocean-6170 *,
  .fx-mpg-top-ocean-6170 *::before,
  .fx-mpg-top-ocean-6170 *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
    transition-duration: 1ms !important;
    transition-delay: 0ms !important;
  }
}
ocean-route-progress-bar-6171.html
<div class="fx-mpg-top-ocean-6170">
  <span></span>
</div>

What do I do with this?

  1. Put ocean-route-progress-bar-6171.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-mpg-top-ocean-6170">. 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-route-progress-bar-6171

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-route-progress-bar-6171

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 width. The browser re-lays-out the page on every frame; prefer transform if you can.

Flashing (WCAG 2.3.1)
Under 3 flashes/s

Its brightest loop is about 0.3 a second. Estimated from duration, iterations and keyframes, not from rendered frames.

Layout shift (CLS)
May shift layout

Animates width 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

29 more effects in Progress & Meters

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 Progress & Meters

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 Route Progress Bar

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