100 Free AI UI Components

Answer Versions

Regenerate an answer and move between versions with small arrows showing 1 of 3, like popular chat apps do.

One HTML file with the CSS and JavaScript inside. No library needed. MIT license.

Live preview

How to use it

  1. Click Copy the code, or download the file.
  2. Paste the CSS into your stylesheet, the HTML where you want the component, and the script before the closing body tag.
  3. Change --accent at the top of the CSS to your brand color, then connect the events to your AI service.

What you get

  • Works in light and dark mode automatically
  • Keyboard friendly, with labels for screen readers
  • Fits phones, tablets and desktops
  • Respects the reduced motion setting
  • No framework, so it works with any stack

The code

<!DOCTYPE html>
<!--
  Answer Versions: a free AI UI component
  From 100 Free AI UI Components by MM Rahman Bappi, MIT license
  https://mmrahmanbappi.github.io/100-free-ai-ui-components/

  How to use: copy the CSS, HTML and JavaScript below into your page.
  Colors are CSS variables at the top. Change --accent to match your brand.
  Light and dark themes follow the visitor's system setting, or set
  data-theme="dark" or data-theme="light" on the html element.
-->
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Answer Versions | Free AI UI Component</title>
<meta name="description" content="Regenerate an answer and move between versions with small arrows showing 1 of 3, like popular chat apps do.">
<meta name="robots" content="noindex, follow">
<style>
:root{
  --accent:#5b5bd6; --accent-ink:#fff; --accent-soft:#ececfc;
  --bg:#f7f7f8; --surface:#fff; --surface-2:#f1f1f4; --ink:#17171c; --text:#3a3a44; --muted:#6c6c78;
  --line:#e3e3e8; --good:#15803d; --warn:#b45309; --bad:#c62828;
  --radius:14px; --shadow:0 1px 2px rgba(20,20,30,.06),0 8px 24px -12px rgba(20,20,30,.18);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,sans-serif; --mono:ui-monospace,"Cascadia Code",Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --accent:#8b8bff; --accent-ink:#0f0f16; --accent-soft:#25254a;
  --bg:#0f0f13; --surface:#18181f; --surface-2:#212129; --ink:#f3f3f6; --text:#d4d4dc; --muted:#9a9aa8;
  --line:#2c2c36; --good:#4ade80; --warn:#fbbf24; --bad:#f87171; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -12px rgba(0,0,0,.6);
}}
:root[data-theme=dark]{
  --accent:#8b8bff; --accent-ink:#0f0f16; --accent-soft:#25254a;
  --bg:#0f0f13; --surface:#18181f; --surface-2:#212129; --ink:#f3f3f6; --text:#d4d4dc; --muted:#9a9aa8;
  --line:#2c2c36; --good:#4ade80; --warn:#fbbf24; --bad:#f87171; --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px -12px rgba(0,0,0,.6);
}
*{box-sizing:border-box}
html,body{margin:0}
body{min-height:100vh;display:grid;grid-template-columns:minmax(0,1fr);place-items:center;padding:24px;background:var(--bg);color:var(--text);font:15px/1.5 var(--font);-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
[hidden]{display:none!important}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition:none!important}}
/* ---- component ---- */
.wrap{width:min(100%,660px);display:flex;flex-direction:column;gap:16px}
.ai,.me{display:flex;gap:12px;align-items:flex-start}
.me{flex-direction:row-reverse}
.av{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;flex:none;font-size:13px;font-weight:700}
.ai .av{background:var(--accent);color:var(--accent-ink)}.me .av{background:var(--surface-2);color:var(--ink);border:1px solid var(--line)}
.col{display:flex;flex-direction:column;gap:6px;min-width:0;max-width:calc(100% - 44px)}
.me .col{align-items:flex-end}
.bubble{background:var(--surface);border:1px solid var(--line);border-radius:4px 16px 16px 16px;padding:11px 15px;color:var(--text);box-shadow:var(--shadow);min-width:0;overflow-wrap:anywhere}
.me .bubble{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);border-radius:16px 4px 16px 16px;box-shadow:none}
.meta{font-size:12px;color:var(--muted)}
.tb{display:flex;gap:2px;align-items:center}
.tb button{display:inline-flex;align-items:center;gap:6px;border:0;background:none;color:var(--muted);height:30px;min-width:30px;padding:0 7px;border-radius:8px;cursor:pointer;font-size:13px}
.tb button:hover{background:var(--surface-2);color:var(--ink)}
.nav{display:flex;align-items:center;gap:2px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.nav button:disabled{opacity:.35;cursor:not-allowed}
.bubble{transition:opacity .2s}.bubble.fade{opacity:.35}
</style>
</head>
<body>
<div class="wrap">
  <div class="me"><div class="av" aria-hidden="true">JL</div><div class="col"><div class="bubble">Give me a name for a small coffee shop by the sea.</div></div></div>
  <div class="ai"><div class="av" aria-hidden="true"><svg viewBox="0 0 24 24" width="16" height="16" fill="currentColor" aria-hidden="true"><path d="M12 2l1.8 6.2L20 10l-6.2 1.8L12 18l-1.8-6.2L4 10l6.2-1.8z"/></svg></div><div class="col"><div class="bubble" id="b" aria-live="polite"></div>
    <div class="tb">
      <div class="nav" role="group" aria-label="Answer versions"><button type="button" id="pv" aria-label="Previous version"><svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M15 18l-6-6 6-6"/></svg></button><span id="pos">1 / 1</span><button type="button" id="nx" aria-label="Next version"><svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2.2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M9 18l6-6-6-6"/></svg></button></div>
      <button type="button" id="re"><svg viewBox="0 0 24 24" width="16" height="16" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"><path d="M21 12a9 9 0 11-3-6.7L21 8"/><path d="M21 3v5h-5"/></svg><span>Regenerate</span></button>
    </div></div></div>
</div>
<script>
// Demo helper: add ?theme=dark or ?theme=light to the address to preview a theme.
(function(){var t=new URLSearchParams(location.search).get('theme');if(t)document.documentElement.dataset.theme=t;})();
var POOL=['How about "Salt and Crema"? It is short and hints at the sea.','Try "Tide Pool Coffee". It sounds friendly and easy to remember.','"The Harbour Cup" feels warm and local.','"Driftwood Beans" has a relaxed beach feel.'];
var versions=[POOL[0]],cur=0,b=document.getElementById('b'),pos=document.getElementById('pos'),pv=document.getElementById('pv'),nx=document.getElementById('nx'),re=document.getElementById('re');
function show(){b.textContent=versions[cur];pos.textContent=(cur+1)+' / '+versions.length;pv.disabled=cur===0;nx.disabled=cur===versions.length-1;}
pv.addEventListener('click',function(){if(cur>0){cur--;show();}});
nx.addEventListener('click',function(){if(cur<versions.length-1){cur++;show();}});
re.addEventListener('click',function(){re.disabled=true;b.classList.add('fade');setTimeout(function(){versions.push(POOL[versions.length%POOL.length]);cur=versions.length-1;b.classList.remove('fade');re.disabled=false;show();},700);});
show();
</script>
</body>
</html>

More chat messages components

  • Chat Bubbles

    A simple conversation with user and assistant bubbles, avatars and times. The user sits on the right in the brand color.

  • Formatted Answer

    A styled answer with headings, lists, bold text, inline code, a quote and a table, ready for text your AI returns as Markdown.

  • Code Block with Copy Button

    A code block with a language label, a copy button that confirms when done, and a button to wrap long lines.

  • Message Action Bar

    A row of actions under an answer: copy the text, read it aloud with the browser voice, and share it.

  • Inline Citations

    Numbered source markers inside an answer. Hover or focus a number to see the source, and find the full list below.

  • Editable User Message

    An edit button on the user message turns it into a text box with Save and Cancel, so people can fix a question and ask again.