20 Tailwind CSS Kbd Keys
07 / 20

All 20 in 20 Tailwind CSS Kbd Keys

  1. 01Tailwind CSS Kbd Tag Styling for Inline Keyboard Keys
  2. 02Tailwind 3D Keycap Button with Press-Down Effect
  3. 03Tailwind Keyboard Shortcut Combo with Plus Separators
  4. 04Flat Minimalist Tailwind Kbd Key for Body Text
  5. 05Responsive Tailwind Kbd Sizing with Em Units
  6. 06Tailwind Mac Cmd vs Windows Ctrl Shortcut Toggle
  7. 07Tailwind Arrow Keys and Navigation Key Layout
  8. 08Auto-Detect OS Keyboard Shortcuts (Cmd or Ctrl) in Tailwind
  9. 09Tailwind Keyboard Layout with Function Keys and Space Bar
  10. 10Tailwind Icon Keycaps with Inline SVG
  11. 11Tailwind Search Input with Cmd+K Shortcut Hint
  12. 12Tailwind Keyboard Shortcuts Cheat Sheet Grid
  13. 13Tailwind Tooltip with Keyboard Shortcut Hint
  14. 14Tailwind Keyboard Shortcut Settings Table
  15. 15Live Key Press Visualizer with Tailwind CSS
  16. 16Neumorphic Keycap Design in Tailwind CSS
  17. 17Glassmorphism Keyboard Keys in Tailwind CSS
  18. 18Retro Typewriter Round Keys in Tailwind CSS
  19. 19Terminal-Style Monospace Kbd Keys in Tailwind
  20. 20Dark Mode Kbd Keys with Tailwind CSS Variables
Pure TailwindMIT licensed

Tailwind Arrow Keys and Navigation Key Layout

The inverted-T arrow cluster and the six-key navigation block, laid out on explicit grid tracks so the shape survives every viewport. One [--u:clamp(…)] unit sizes every cap through size-(--u), and each arrow glyph is aria-hidden with a spoken name beside it.

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The code

<section class="kbd-07 relative w-full min-h-svh scheme-light kbd07-dark:scheme-dark bg-kbd07-bg text-kbd07-ink font-kbd07-sans" aria-label="Arrow keys and navigation glyphs demo">
  <div class="grid min-h-svh place-items-center px-5 pt-20 pb-12">
    <div class="grid w-full min-w-0 max-w-[46rem] gap-4 sm:grid-cols-2">
      <section class="grid min-w-0 content-start justify-items-center gap-5 rounded-2xl border border-kbd07-rule bg-kbd07-panel p-6 sm:p-7">
        <h2 class="justify-self-start text-[11px] font-semibold uppercase tracking-[0.2em] text-kbd07-acc">Arrow cluster</h2>
        <div class="grid grid-cols-[repeat(3,var(--u))] gap-1.5 [--u:clamp(44px,12vw,56px)]">
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] col-start-2 row-start-1 size-(--u) text-xl"><span aria-hidden="true">↑</span><span class="sr-only">Arrow up</span></kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] col-start-1 row-start-2 size-(--u) text-xl"><span aria-hidden="true">←</span><span class="sr-only">Arrow left</span></kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] col-start-2 row-start-2 size-(--u) text-xl"><span aria-hidden="true">↓</span><span class="sr-only">Arrow down</span></kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] col-start-3 row-start-2 size-(--u) text-xl"><span aria-hidden="true">→</span><span class="sr-only">Arrow right</span></kbd>
        </div>
        <p class="justify-self-start text-[13px] leading-snug text-kbd07-mut">Explicit grid tracks — the inverted T survives every viewport.</p>
      </section>
      <section class="grid min-w-0 content-start justify-items-center gap-5 rounded-2xl border border-kbd07-rule bg-kbd07-panel p-6 sm:p-7">
        <h2 class="justify-self-start text-[11px] font-semibold uppercase tracking-[0.2em] text-kbd07-acc">Navigation</h2>
        <div class="grid w-full max-w-[15rem] grid-cols-3 gap-1.5 [--u:clamp(44px,12vw,52px)]">
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">Insert</kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">Home</kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">Page <span aria-hidden="true">↑</span><span class="sr-only">up</span></kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">Delete</kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">End</kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">Page <span aria-hidden="true">↓</span><span class="sr-only">down</span></kbd>
        </div>
        <p class="justify-self-start text-[13px] leading-snug text-kbd07-mut">Word labels get their own grid, in the order they sit on a full-size board.</p>
      </section>
    </div>
  </div>
  <div class="absolute top-3.5 right-4 z-10">
    <input id="kbd-07-theme" type="checkbox" class="peer sr-only">
    <label for="kbd-07-theme" class="inline-flex min-h-11 cursor-pointer select-none items-center gap-2.5 rounded-full border border-current/55 px-4 font-sans text-[11px] font-bold uppercase leading-none tracking-[0.16em] text-kbd07-ink transition-colors hover:border-current peer-focus-visible:outline-3 peer-focus-visible:outline-offset-2 peer-focus-visible:outline-kbd07-acc">
      <span aria-hidden="true" class="size-3 flex-none rounded-full bg-current transition-[background-color,box-shadow] duration-300 kbd07-dark:bg-transparent kbd07-dark:shadow-[inset_-4px_-2px_0_0_currentColor] motion-reduce:transition-none"></span>
      <span class="kbd07-dark:hidden">Light</span><span class="hidden kbd07-dark:inline">Dark</span><span class="sr-only"> theme</span>
    </label>
  </div>
</section>
@import "tailwindcss";
/* Theme state: follows the OS; the corner switch flips it for THIS demo only. */

@custom-variant kbd07-dark {
  @media (prefers-color-scheme: dark) {
    &:where(.kbd-07:not(:has(#kbd-07-theme:checked)), .kbd-07:not(:has(#kbd-07-theme:checked)) *) {
      @slot;
    }
  }

  @media (prefers-color-scheme: light) {
    &:where(.kbd-07:has(#kbd-07-theme:checked), .kbd-07:has(#kbd-07-theme:checked) *) {
      @slot;
    }
  }
}
/* Every colour is light-dark(day, night): the root's scheme-light / scheme-dark utility picks the side. */

@theme {
  --color-kbd07-bg: light-dark(#edf3f0, #0d1412);
  --color-kbd07-bg: light-dark(oklch(0.959 0.007 164.9), oklch(0.183 0.011 175.6));
  --color-kbd07-panel: light-dark(#ffffff, #141d1a);
  --color-kbd07-panel: light-dark(oklch(1 0 0), oklch(0.221 0.014 172.5));
  --color-kbd07-shade: light-dark(#0d2a2033, #00000099);
  --color-kbd07-shade: light-dark(oklch(0.259 0.04 167.8 / 0.2), oklch(0 0 0 / 0.6));
  --color-kbd07-ink: light-dark(#13201c, #e3eeea);
  --color-kbd07-ink: light-dark(oklch(0.23 0.02 173.3), oklch(0.94 0.013 172.4));
  --color-kbd07-mut: light-dark(#4f615b, #94a9a1);
  --color-kbd07-mut: light-dark(oklch(0.476 0.024 173), oklch(0.716 0.026 170.6));
  --color-kbd07-rule: light-dark(#dce6e1, #22302b);
  --color-kbd07-rule: light-dark(oklch(0.916 0.013 164.8), oklch(0.295 0.021 170.9));
  --color-kbd07-cap: light-dark(#f6faf8, #1d2925);
  --color-kbd07-cap: light-dark(oklch(0.982 0.005 165), oklch(0.268 0.018 172.4));
  --color-kbd07-top: light-dark(#ffffff, #26342f);
  --color-kbd07-top: light-dark(oklch(1 0 0), oklch(0.311 0.021 171));
  --color-kbd07-rim: light-dark(#c3d2cc, #34453f);
  --color-kbd07-rim: light-dark(oklch(0.851 0.018 170), oklch(0.374 0.024 171.4));
  --color-kbd07-edge: light-dark(#a6b8b1, #040706);
  --color-kbd07-edge: light-dark(oklch(0.767 0.022 170.4), oklch(0.123 0.008 174.7));
  --color-kbd07-capink: light-dark(#17241f, #e2ede9);
  --color-kbd07-capink: light-dark(oklch(0.246 0.02 168.8), oklch(0.937 0.013 172.4));
  --color-kbd07-acc: light-dark(#0b7a5d, #4fd1a8);
  --color-kbd07-acc: light-dark(oklch(0.516 0.101 168.4), oklch(0.778 0.129 168.7));
  --font-kbd07-sans: 'Space Grotesk', system-ui, sans-serif;
}
/* Root rule: the full-bleed contract, stated in CSS as well as utilities so the stage is sized before the browser build compiles. */

.kbd-07 {
  width: 100%;
  min-height: 100svh;
  position: relative;
}

Setup — do this once per project

Skip this if your project already runs Tailwind v4.

1Load Tailwind
<script src="https://cdn.jsdelivr.net/npm/@tailwindcss/browser@4"></script>

Compiles in the browser — perfect for a CodePen or a quick test, not for production.

2Add the stylesheetRequiredthe @theme block is what makes the custom utilities exist
@import "tailwindcss";
/* Theme state: follows the OS; the corner switch flips it for THIS demo only. */

@custom-variant kbd07-dark {
  @media (prefers-color-scheme: dark) {
    &:where(.kbd-07:not(:has(#kbd-07-theme:checked)), .kbd-07:not(:has(#kbd-07-theme:checked)) *) {
      @slot;
    }
  }

  @media (prefers-color-scheme: light) {
    &:where(.kbd-07:has(#kbd-07-theme:checked), .kbd-07:has(#kbd-07-theme:checked) *) {
      @slot;
    }
  }
}
/* Every colour is light-dark(day, night): the root's scheme-light / scheme-dark utility picks the side. */

@theme {
  --color-kbd07-bg: light-dark(#edf3f0, #0d1412);
  --color-kbd07-bg: light-dark(oklch(0.959 0.007 164.9), oklch(0.183 0.011 175.6));
  --color-kbd07-panel: light-dark(#ffffff, #141d1a);
  --color-kbd07-panel: light-dark(oklch(1 0 0), oklch(0.221 0.014 172.5));
  --color-kbd07-shade: light-dark(#0d2a2033, #00000099);
  --color-kbd07-shade: light-dark(oklch(0.259 0.04 167.8 / 0.2), oklch(0 0 0 / 0.6));
  --color-kbd07-ink: light-dark(#13201c, #e3eeea);
  --color-kbd07-ink: light-dark(oklch(0.23 0.02 173.3), oklch(0.94 0.013 172.4));
  --color-kbd07-mut: light-dark(#4f615b, #94a9a1);
  --color-kbd07-mut: light-dark(oklch(0.476 0.024 173), oklch(0.716 0.026 170.6));
  --color-kbd07-rule: light-dark(#dce6e1, #22302b);
  --color-kbd07-rule: light-dark(oklch(0.916 0.013 164.8), oklch(0.295 0.021 170.9));
  --color-kbd07-cap: light-dark(#f6faf8, #1d2925);
  --color-kbd07-cap: light-dark(oklch(0.982 0.005 165), oklch(0.268 0.018 172.4));
  --color-kbd07-top: light-dark(#ffffff, #26342f);
  --color-kbd07-top: light-dark(oklch(1 0 0), oklch(0.311 0.021 171));
  --color-kbd07-rim: light-dark(#c3d2cc, #34453f);
  --color-kbd07-rim: light-dark(oklch(0.851 0.018 170), oklch(0.374 0.024 171.4));
  --color-kbd07-edge: light-dark(#a6b8b1, #040706);
  --color-kbd07-edge: light-dark(oklch(0.767 0.022 170.4), oklch(0.123 0.008 174.7));
  --color-kbd07-capink: light-dark(#17241f, #e2ede9);
  --color-kbd07-capink: light-dark(oklch(0.246 0.02 168.8), oklch(0.937 0.013 172.4));
  --color-kbd07-acc: light-dark(#0b7a5d, #4fd1a8);
  --color-kbd07-acc: light-dark(oklch(0.516 0.101 168.4), oklch(0.778 0.129 168.7));
  --font-kbd07-sans: 'Space Grotesk', system-ui, sans-serif;
}
/* Root rule: the full-bleed contract, stated in CSS as well as utilities so the stage is sized before the browser build compiles. */

.kbd-07 {
  width: 100%;
  min-height: 100svh;
  position: relative;
}
3Fonts used by this demooptional — skip if you have your own type stack
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400..700&display=swap">

What changed in the port

Which parts became utilities, which stayed CSS, and why.

  • grid-template-areas became col-start-*/row-start-* on each key — the same placement, readable on the element.
  • The --u custom property moved onto the grid as an arbitrary property and is read with v4's size-(--u) shorthand.
  • UI upgrade: the navigation block now follows the real 2×3 layout (Insert · Home · Page Up / Delete · End · Page Down) instead of an arbitrary order.
  • UI upgrade: caps gained a convex gradient and soft drop, and the two blocks became matched cards that stack below 640px.
Paste this into ChatGPT, Claude, Cursor, or any coding assistant. The block below is pre-framed with everything the AI needs to integrate this demo into your project — markup, styles, scoping notes, and the source URL. Hit Copy and paste straight into your chat.
Here's a working CSS demo from CodeFronts. Use it as-is or adapt to your framework. All classes are scoped under a unique prefix so the code won't collide with your existing styles. MIT licensed.
Demo: Tailwind Arrow Keys and Navigation Key Layout
Source: https://codefronts.com/snippets/tailwind-css-kbd-keys/tailwind-arrow-keys-navigation-key-layout/

The inverted-T arrow cluster and the six-key navigation block, laid out on explicit grid tracks so the shape survives every viewport. One [--u:clamp(…)] unit sizes every cap through size-(--u), and each arrow glyph is aria-hidden with a spoken name beside it.
## HTML
```html
<section class="kbd-07 relative w-full min-h-svh scheme-light kbd07-dark:scheme-dark bg-kbd07-bg text-kbd07-ink font-kbd07-sans" aria-label="Arrow keys and navigation glyphs demo">
  <div class="grid min-h-svh place-items-center px-5 pt-20 pb-12">
    <div class="grid w-full min-w-0 max-w-[46rem] gap-4 sm:grid-cols-2">
      <section class="grid min-w-0 content-start justify-items-center gap-5 rounded-2xl border border-kbd07-rule bg-kbd07-panel p-6 sm:p-7">
        <h2 class="justify-self-start text-[11px] font-semibold uppercase tracking-[0.2em] text-kbd07-acc">Arrow cluster</h2>
        <div class="grid grid-cols-[repeat(3,var(--u))] gap-1.5 [--u:clamp(44px,12vw,56px)]">
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] col-start-2 row-start-1 size-(--u) text-xl"><span aria-hidden="true">↑</span><span class="sr-only">Arrow up</span></kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] col-start-1 row-start-2 size-(--u) text-xl"><span aria-hidden="true">←</span><span class="sr-only">Arrow left</span></kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] col-start-2 row-start-2 size-(--u) text-xl"><span aria-hidden="true">↓</span><span class="sr-only">Arrow down</span></kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] col-start-3 row-start-2 size-(--u) text-xl"><span aria-hidden="true">→</span><span class="sr-only">Arrow right</span></kbd>
        </div>
        <p class="justify-self-start text-[13px] leading-snug text-kbd07-mut">Explicit grid tracks — the inverted T survives every viewport.</p>
      </section>
      <section class="grid min-w-0 content-start justify-items-center gap-5 rounded-2xl border border-kbd07-rule bg-kbd07-panel p-6 sm:p-7">
        <h2 class="justify-self-start text-[11px] font-semibold uppercase tracking-[0.2em] text-kbd07-acc">Navigation</h2>
        <div class="grid w-full max-w-[15rem] grid-cols-3 gap-1.5 [--u:clamp(44px,12vw,52px)]">
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">Insert</kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">Home</kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">Page <span aria-hidden="true">↑</span><span class="sr-only">up</span></kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">Delete</kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">End</kbd>
          <kbd class="grid place-items-center rounded-[10px] border border-kbd07-rim bg-linear-to-b from-kbd07-top to-kbd07-cap font-kbd07-sans font-semibold text-kbd07-capink shadow-[0_2px_0_var(--color-kbd07-edge),0_6px_12px_-6px_var(--color-kbd07-shade)] h-(--u) min-w-0 px-2 text-[13px] leading-tight">Page <span aria-hidden="true">↓</span><span class="sr-only">down</span></kbd>
        </div>
        <p class="justify-self-start text-[13px] leading-snug text-kbd07-mut">Word labels get their own grid, in the order they sit on a full-size board.</p>
      </section>
    </div>
  </div>
  <div class="absolute top-3.5 right-4 z-10">
    <input id="kbd-07-theme" type="checkbox" class="peer sr-only">
    <label for="kbd-07-theme" class="inline-flex min-h-11 cursor-pointer select-none items-center gap-2.5 rounded-full border border-current/55 px-4 font-sans text-[11px] font-bold uppercase leading-none tracking-[0.16em] text-kbd07-ink transition-colors hover:border-current peer-focus-visible:outline-3 peer-focus-visible:outline-offset-2 peer-focus-visible:outline-kbd07-acc">
      <span aria-hidden="true" class="size-3 flex-none rounded-full bg-current transition-[background-color,box-shadow] duration-300 kbd07-dark:bg-transparent kbd07-dark:shadow-[inset_-4px_-2px_0_0_currentColor] motion-reduce:transition-none"></span>
      <span class="kbd07-dark:hidden">Light</span><span class="hidden kbd07-dark:inline">Dark</span><span class="sr-only"> theme</span>
    </label>
  </div>
</section>
```
## CSS
```css
@import "tailwindcss";
/* Theme state: follows the OS; the corner switch flips it for THIS demo only. */

@custom-variant kbd07-dark {
  @media (prefers-color-scheme: dark) {
    &:where(.kbd-07:not(:has(#kbd-07-theme:checked)), .kbd-07:not(:has(#kbd-07-theme:checked)) *) {
      @slot;
    }
  }

  @media (prefers-color-scheme: light) {
    &:where(.kbd-07:has(#kbd-07-theme:checked), .kbd-07:has(#kbd-07-theme:checked) *) {
      @slot;
    }
  }
}
/* Every colour is light-dark(day, night): the root's scheme-light / scheme-dark utility picks the side. */

@theme {
  --color-kbd07-bg: light-dark(#edf3f0, #0d1412);
  --color-kbd07-bg: light-dark(oklch(0.959 0.007 164.9), oklch(0.183 0.011 175.6));
  --color-kbd07-panel: light-dark(#ffffff, #141d1a);
  --color-kbd07-panel: light-dark(oklch(1 0 0), oklch(0.221 0.014 172.5));
  --color-kbd07-shade: light-dark(#0d2a2033, #00000099);
  --color-kbd07-shade: light-dark(oklch(0.259 0.04 167.8 / 0.2), oklch(0 0 0 / 0.6));
  --color-kbd07-ink: light-dark(#13201c, #e3eeea);
  --color-kbd07-ink: light-dark(oklch(0.23 0.02 173.3), oklch(0.94 0.013 172.4));
  --color-kbd07-mut: light-dark(#4f615b, #94a9a1);
  --color-kbd07-mut: light-dark(oklch(0.476 0.024 173), oklch(0.716 0.026 170.6));
  --color-kbd07-rule: light-dark(#dce6e1, #22302b);
  --color-kbd07-rule: light-dark(oklch(0.916 0.013 164.8), oklch(0.295 0.021 170.9));
  --color-kbd07-cap: light-dark(#f6faf8, #1d2925);
  --color-kbd07-cap: light-dark(oklch(0.982 0.005 165), oklch(0.268 0.018 172.4));
  --color-kbd07-top: light-dark(#ffffff, #26342f);
  --color-kbd07-top: light-dark(oklch(1 0 0), oklch(0.311 0.021 171));
  --color-kbd07-rim: light-dark(#c3d2cc, #34453f);
  --color-kbd07-rim: light-dark(oklch(0.851 0.018 170), oklch(0.374 0.024 171.4));
  --color-kbd07-edge: light-dark(#a6b8b1, #040706);
  --color-kbd07-edge: light-dark(oklch(0.767 0.022 170.4), oklch(0.123 0.008 174.7));
  --color-kbd07-capink: light-dark(#17241f, #e2ede9);
  --color-kbd07-capink: light-dark(oklch(0.246 0.02 168.8), oklch(0.937 0.013 172.4));
  --color-kbd07-acc: light-dark(#0b7a5d, #4fd1a8);
  --color-kbd07-acc: light-dark(oklch(0.516 0.101 168.4), oklch(0.778 0.129 168.7));
  --font-kbd07-sans: 'Space Grotesk', system-ui, sans-serif;
}
/* Root rule: the full-bleed contract, stated in CSS as well as utilities so the stage is sized before the browser build compiles. */

.kbd-07 {
  width: 100%;
  min-height: 100svh;
  position: relative;
}
```

How this works

Place, don't flow. A flex row of four arrows breaks into a line at narrow widths. Grid placement pins each cap:

<div class="grid grid-cols-[repeat(3,var(--u))] gap-1.5 [--u:clamp(44px,12vw,56px)]">
  <kbd class="col-start-2 row-start-1 size-(--u)">↑</kbd>
  <kbd class="col-start-1 row-start-2 size-(--u)">←</kbd> …

v4 shorthand. size-(--u) is Tailwind v4's spelling of size-[var(--u)].

Make it yours

  • Smaller clusters for inline help: [--u:32px] and text-sm.
  • Highlight the key being described: border-kbd07-acc text-kbd07-acc.
  • WASD: reuse the grid with letters.

Gotchas — read before shipping

  • size-(--u) requires v4; in v3 write w-[var(--u)] h-[var(--u)].
  • Arrow glyphs vary by font; Space Grotesk's are balanced, system fonts may not be.
  • The arbitrary property sets --u on the grid, so every cap inside inherits the same unit.

Browser support

ChromeSafariFirefoxEdge
123+17.5+128+123+

Tailwind v4's own sheet needs Chrome 111 / Safari 16.4 / Firefox 128 (cascade layers, @property, color-mix()); the light-dark() theme tokens raise the floor to Chrome 123 / Safari 17.5.

Techniques used in this demo

Utilitiesfirst-class utility or variant

gridtw ↗linear gradienttw ↗

Theme tokensset in @theme, used by a utility

custom propertiestw ↗

Arbitraryneeds bracket syntax

clamp()tw ↗

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