Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="box">, 240px wide and 160px tall, with a blue-500 background. Center it horizontally and vertically in the viewport at any viewport size.
<div class="fixed inset-0 flex items-center justify-center">
<div id="box" class="w-60 h-40 bg-blue-500"></div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="box">, 240px wide and 160px tall, with a blue-500 background. Center it horizontally and vertically in the viewport at any viewport size.
<div id="box" class="fixed top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-60 h-40 bg-blue-500"></div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="box">, 240px wide and 160px tall, with a blue-500 background. Center it horizontally and vertically in the viewport at any viewport size.
<div id="box" class="fixed top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-[240px] h-[160px] bg-blue-500"></div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="row">, 900px wide, containing <div id="a">, <div id="b">, and <div id="c"> side by side. The three children must have equal widths, a 16px gap between them, and a height of 64px.
<div id="row" class="w-[900px] grid grid-cols-3 gap-4">
<div id="a" class="h-16"></div>
<div id="b" class="h-16"></div>
<div id="c" class="h-16"></div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="row">, 900px wide, containing <div id="a">, <div id="b">, and <div id="c"> side by side. The three children must have equal widths, a 16px gap between them, and a height of 64px.
<div id="row" class="flex gap-4 w-[900px]">
<div id="a" class="h-16 flex-1"></div>
<div id="b" class="h-16 flex-1"></div>
<div id="c" class="h-16 flex-1"></div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="row">, 900px wide, containing <div id="a">, <div id="b">, and <div id="c"> side by side. The three children must have equal widths, a 16px gap between them, and a height of 64px.
<div id="row" class="w-[900px] flex gap-4 h-16">
<div id="a" class="flex-1 h-16"></div>
<div id="b" class="flex-1 h-16"></div>
<div id="c" class="flex-1 h-16"></div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <p id="t">, 200px wide, containing the text "The quick brown fox jumps over the lazy dog and keeps on running". Keep the text on one line and cut off the overflow with an ellipsis.
<p id="t" class="w-[200px] whitespace-nowrap overflow-hidden text-ellipsis">The quick brown fox jumps over the lazy dog and keeps on running</p>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <p id="t">, 200px wide, containing the text "The quick brown fox jumps over the lazy dog and keeps on running". Keep the text on one line and cut off the overflow with an ellipsis.
<p id="t" class="w-[200px] overflow-hidden whitespace-nowrap text-ellipsis">The quick brown fox jumps over the lazy dog and keeps on running</p>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <p id="t">, 200px wide, containing the text "The quick brown fox jumps over the lazy dog and keeps on running". Keep the text on one line and cut off the overflow with an ellipsis.
<p id="t" class="w-[200px] overflow-hidden text-ellipsis whitespace-nowrap">The quick brown fox jumps over the lazy dog and keeps on running</p>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="wrap"> containing <div id="left">L</div> and <div id="right">R</div>. Below Tailwind's md breakpoint, stack them vertically with left above right. At md and wider, place them side by side with left on the left.
<div id="wrap" class="flex flex-col md:flex-row">
<div id="left">L</div>
<div id="right">R</div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="wrap"> containing <div id="left">L</div> and <div id="right">R</div>. Below Tailwind's md breakpoint, stack them vertically with left above right. At md and wider, place them side by side with left on the left.
<div id="wrap" class="flex flex-col md:flex-row gap-4">
<div id="left" class="flex-1 p-4">L</div>
<div id="right" class="flex-1 p-4">R</div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="wrap"> containing <div id="left">L</div> and <div id="right">R</div>. Below Tailwind's md breakpoint, stack them vertically with left above right. At md and wider, place them side by side with left on the left.
<div id="wrap" class="flex flex-col md:flex-row">
<div id="left">L</div>
<div id="right">R</div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <button id="b">Save</button> with white text, an 8px border radius, and a blue-600 background. While the pointer is over it, the background changes to green-600.
<button id="b" class="rounded-lg bg-blue-600 px-4 py-2 text-white hover:bg-green-600">Save</button>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <button id="b">Save</button> with white text, an 8px border radius, and a blue-600 background. While the pointer is over it, the background changes to green-600.
<button id="b" class="bg-blue-600 hover:bg-green-600 text-white rounded-lg">Save</button>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <button id="b">Save</button> with white text, an 8px border radius, and a blue-600 background. While the pointer is over it, the background changes to green-600.
<button id="b" class="rounded-lg bg-blue-600 text-white hover:bg-green-600">Save</button>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="card">, 200px wide and 120px tall, containing <div id="badge">, 24px wide and 24px tall. The center of the badge must sit exactly on the top-right corner of the card.
<div id="card" class="relative h-[120px] w-[200px] rounded-xl bg-slate-900 shadow-lg">
<div id="badge" class="absolute -right-3 -top-3 h-6 w-6 rounded-full bg-amber-400 ring-4 ring-white"></div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="card">, 200px wide and 120px tall, containing <div id="badge">, 24px wide and 24px tall. The center of the badge must sit exactly on the top-right corner of the card.
<div id="card" class="relative h-30 w-50 rounded-2xl bg-slate-900 shadow-xl">
<div id="badge" class="absolute -right-3 -top-3 h-6 w-6 rounded-full bg-amber-400 ring-4 ring-white"></div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="card">, 200px wide and 120px tall, containing <div id="badge">, 24px wide and 24px tall. The center of the badge must sit exactly on the top-right corner of the card.
<div id="card" class="relative w-[200px] h-[120px]">
<div id="badge" class="absolute top-[-12px] right-[-12px] w-[24px] h-[24px]"></div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="g">, 1200px wide, as a 12-column grid with no gap, containing <div id="main"> spanning 8 columns and <div id="side"> spanning 4 columns in the same row.
<div id="g" class="grid grid-cols-12 gap-0 w-[1200px]">
<div id="main" class="col-span-8"></div>
<div id="side" class="col-span-4"></div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="g">, 1200px wide, as a 12-column grid with no gap, containing <div id="main"> spanning 8 columns and <div id="side"> spanning 4 columns in the same row.
<div id="g" class="grid grid-cols-12 gap-0 w-[1200px]">
<div id="main" class="col-span-8"></div>
<div id="side" class="col-span-4 col-start-9"></div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="g">, 1200px wide, as a 12-column grid with no gap, containing <div id="main"> spanning 8 columns and <div id="side"> spanning 4 columns in the same row.
<div id="g" class="grid grid-cols-12 gap-0 w-[1200px]">
<div id="main" class="col-span-8"></div>
<div id="side" class="col-span-4"></div>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="panel">Hello</div>. With the system in light mode, it has a white background and gray-900 text. With the system in dark mode, it has a gray-900 background and white text.
<div id="panel" class="bg-white text-gray-900 dark:bg-gray-900 dark:text-white">Hello</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="panel">Hello</div>. With the system in light mode, it has a white background and gray-900 text. With the system in dark mode, it has a gray-900 background and white text.
<div id="panel" class="bg-white text-gray-900 dark:bg-gray-900 dark:text-white">Hello</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <div id="panel">Hello</div>. With the system in light mode, it has a white background and gray-900 text. With the system in dark mode, it has a gray-900 background and white text.
<div id="panel" class="bg-white text-gray-900 dark:bg-gray-900 dark:text-white">Hello</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <header id="head">, 64px tall, followed by <main id="content">, 2000px tall. The header must stay at the top of the viewport while the page scrolls, and it must not cover the top of the content before scrolling.
<header id="head" class="sticky top-0 z-50 flex h-16 items-center justify-between border-b border-slate-200 bg-white/90 px-6 shadow-sm backdrop-blur">
<div class="flex items-center gap-3">
<div class="flex h-8 w-8 items-center justify-center rounded-lg bg-slate-900 text-sm font-bold text-white">M</div>
<span class="text-base font-semibold tracking-tight text-slate-900">Meadowline</span>
</div>
<nav class="flex items-center gap-6 text-sm font-medium text-slate-600">
<span class="cursor-pointer hover:text-slate-900">Overview</span>
<span class="cursor-pointer hover:text-slate-900">Notes</span>
<span class="cursor-pointer hover:text-slate-900">Archive</span>
</nav>
</header>
<main id="content" class="h-[2000px] bg-slate-50">
<div class="mx-auto max-w-3xl px-6 py-16">
<h1 class="text-3xl font-bold tracking-tight text-slate-900">Scrollable Region</h1>
<p class="mt-4 max-w-prose text-base leading-relaxed text-slate-600">
The 64px header above stays pinned to the top of the viewport as you scroll,
while remaining in normal document flow so it never overlaps this content
before any scrolling occurs.
</p>
<div class="mt-10 space-y-6">
<div class="h-40 rounded-xl bg-white shadow-sm ring-1 ring-slate-200"></div>
<div class="h-40 rounded-xl bg-white shadow-sm ring-1 ring-slate-200"></div>
<div class="h-40 rounded-xl bg-white shadow-sm ring-1 ring-slate-200"></div>
<div class="h-40 rounded-xl bg-white shadow-sm ring-1 ring-slate-200"></div>
<div class="h-40 rounded-xl bg-white shadow-sm ring-1 ring-slate-200"></div>
<div class="h-40 rounded-xl bg-white shadow-sm ring-1 ring-slate-200"></div>
<div class="h-40 rounded-xl bg-white shadow-sm ring-1 ring-slate-200"></div>
<div class="h-40 rounded-xl bg-white shadow-sm ring-1 ring-slate-200"></div>
<div class="h-40 rounded-xl bg-white shadow-sm ring-1 ring-slate-200"></div>
<div class="h-40 rounded-xl bg-white shadow-sm ring-1 ring-slate-200"></div>
<div class="h-40 rounded-xl bg-white shadow-sm ring-1 ring-slate-200"></div>
</div>
</div>
</main>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <header id="head">, 64px tall, followed by <main id="content">, 2000px tall. The header must stay at the top of the viewport while the page scrolls, and it must not cover the top of the content before scrolling.
<header id="head" class="sticky top-0 z-50 flex h-16 items-center justify-between border-b border-slate-200 bg-white px-6 shadow-sm">
<span class="text-lg font-semibold tracking-tight text-slate-900">Sticky Header</span>
<span class="text-sm text-slate-500">h-16 · 64px</span>
</header>
<main id="content" class="h-[2000px] bg-slate-50 px-6 py-10">
<div class="max-w-3xl">
<h1 class="text-2xl font-semibold text-slate-900">Content Area</h1>
<p class="mt-2 text-slate-600">This section is 2000px tall. The header above stays pinned to the top of the viewport as you scroll, while remaining in the document flow so it never overlaps this content.</p>
<div class="mt-8 space-y-4">
<div class="h-40 rounded-lg bg-gradient-to-br from-sky-400 to-indigo-500 shadow" aria-hidden="true"></div>
<div class="h-40 rounded-lg bg-gradient-to-br from-emerald-400 to-teal-500 shadow" aria-hidden="true"></div>
<div class="h-40 rounded-lg bg-gradient-to-br from-amber-400 to-orange-500 shadow" aria-hidden="true"></div>
<div class="h-40 rounded-lg bg-gradient-to-br from-rose-400 to-pink-500 shadow" aria-hidden="true"></div>
<div class="h-40 rounded-lg bg-gradient-to-br from-violet-400 to-fuchsia-500 shadow" aria-hidden="true"></div>
<div class="h-40 rounded-lg bg-gradient-to-br from-cyan-400 to-blue-500 shadow" aria-hidden="true"></div>
<div class="h-40 rounded-lg bg-gradient-to-br from-lime-400 to-green-500 shadow" aria-hidden="true"></div>
<div class="h-40 rounded-lg bg-gradient-to-br from-red-400 to-rose-500 shadow" aria-hidden="true"></div>
</div>
</div>
</main>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create <header id="head">, 64px tall, followed by <main id="content">, 2000px tall. The header must stay at the top of the viewport while the page scrolls, and it must not cover the top of the content before scrolling.
<header id="head" class="fixed inset-x-0 top-0 z-10 flex h-16 items-center bg-slate-900 px-6 text-slate-100">
<span class="text-lg font-semibold tracking-wide">Site</span>
<span class="ml-auto text-sm text-slate-400">Fixed header</span>
</header>
<main id="content" class="mt-16 h-[2000px] bg-slate-100 text-slate-700">
<div class="px-6 pt-8">
<h1 class="text-2xl font-semibold">Content</h1>
<p class="mt-2 text-sm">This region is 2000px tall so the page scrolls beneath the fixed header.</p>
</div>
</main>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create a layout that fills the viewport at any size, containing four empty elements. <header id="top"> is 64px tall across the full width at the top. <footer id="foot"> is 48px tall across the full width at the bottom. Between them, <aside id="side"> is 256px wide on the left and <main id="main"> fills the remaining space. The page does not scroll.
<div class="flex h-dvh w-full flex-col overflow-hidden">
<header id="top" class="h-16 w-full shrink-0"></header>
<div class="flex min-h-0 flex-1">
<aside id="side" class="w-64 shrink-0"></aside>
<main id="main" class="min-w-0 flex-1"></main>
</div>
<footer id="foot" class="h-12 w-full shrink-0"></footer>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create a layout that fills the viewport at any size, containing four empty elements. <header id="top"> is 64px tall across the full width at the top. <footer id="foot"> is 48px tall across the full width at the bottom. Between them, <aside id="side"> is 256px wide on the left and <main id="main"> fills the remaining space. The page does not scroll.
<div class="fixed inset-0 flex flex-col overflow-hidden">
<header id="top" class="h-16 shrink-0"></header>
<div class="flex min-h-0 flex-1">
<aside id="side" class="w-64 shrink-0"></aside>
<main id="main" class="min-h-0 flex-1"></main>
</div>
<footer id="foot" class="h-12 shrink-0"></footer>
</div>
Provide only one ```html code block containing an HTML fragment. The fragment goes inside the empty <body> of a page that already has Tailwind CSS v4 loaded with its default theme. Style it using only Tailwind utility classes: do not use style attributes, and do not use <style>, <script>, or <link> tags. Use exactly the ids given. Do not include explanations.
Create a layout that fills the viewport at any size, containing four empty elements. <header id="top"> is 64px tall across the full width at the top. <footer id="foot"> is 48px tall across the full width at the bottom. Between them, <aside id="side"> is 256px wide on the left and <main id="main"> fills the remaining space. The page does not scroll.
<header id="top" class="fixed left-0 top-0 h-16 w-full"></header>
<aside id="side" class="fixed bottom-12 left-0 top-16 w-64"></aside>
<main id="main" class="fixed bottom-12 left-64 right-0 top-16"></main>
<footer id="foot" class="fixed bottom-0 left-0 h-12 w-full"></footer>