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Added 13 Aug 2026
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ocean-diagonal-split-12011
Ocean Diagonal Split
Masks & Clip Paths

Ocean Diagonal Split

Two panels cut on complementary diagonals with a deliberate gap between them, the labels nudged off-centre so neither straddles the seam.

Masks & Clip Pathsclip-pathsplitdiagonalcomparetwo-toneocean
lines of CSS
28lines of CSS
dependencies
0dependencies
browser, for years
Everybrowser, for years
no motion at all
Noneno motion at all
Backdrop
BEFOREAFTER
Open a live copy in

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

ocean-diagonal-split-12011.css
.fx-v8-mask-split-ocean-12010 {
  position: relative;
  width: 244px;
  height: 138px;
  overflow: hidden;
  border-radius: 0.6rem;
}
.fx-v8-mask-split-ocean-12010 i {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.fx-v8-mask-split-ocean-12010 .a {
  background: linear-gradient(140deg, #1e293b, #0f172a);
  clip-path: polygon(0 0, 62% 0, 38% 100%, 0 100%);
}
.fx-v8-mask-split-ocean-12010 .b {
  background: linear-gradient(140deg, #06b6d4, #3b82f6, #6366f1);
  clip-path: polygon(64% 0, 100% 0, 100% 100%, 40% 100%);
}
.fx-v8-mask-split-ocean-12010 .a b { color: #64748b; transform: translateX(-22%); }
.fx-v8-mask-split-ocean-12010 .b b { color: #0b1120; transform: translateX(20%); }
.fx-v8-mask-split-ocean-12010 b {
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}
ocean-diagonal-split-12011.html
<div class="fx-v8-mask-split-ocean-12010">
  <i class="a">
    <b>BEFORE</b>
  </i>
  <i class="b">
    <b>AFTER</b>
  </i>
</div>

What do I do with this?

  1. Put ocean-diagonal-split-12011.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-v8-mask-split-ocean-12010">. 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-diagonal-split-12011

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-diagonal-split-12011

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
Nothing animates

No animation or transition, so there is nothing to switch off.

What it animates
Nothing

No property is animated.

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)
No shift expected

Nothing it animates moves or resizes the box in flow. 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 Masks & Clip Paths

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 Masks & Clip Paths

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 Diagonal Split

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