HTML Code

<!DOCTYPE html>

<html lang=en>

<head>

  <meta charset=UTF-8>

  <meta name=viewport content="width=device-width,initial-scale=1">

  <title>Flexbox Center Example</title>

  <style>body{font-family:system-ui,sans-serif;margin:0;padding:1.5rem;background:#f8fafc;color:#334155}h1{margin:0 0 .75rem;font-size:1.25rem;color:#0f172a}p{margin:0 0 1rem;font-size:.95rem}.flex-center{display:flex;justify-content:center;align-items:center;min-height:120px;background:#f1f5f9;border:1px dashed #94a3b8;border-radius:8px;max-width:400px}.flex-center span{background:#16a34a;color:#fff;padding:.5rem 1rem;border-radius:6px;font-weight:600}.tip{margin-top:.75rem;background:#f0fdf4;border:1px solid #bbf7d0;border-radius:8px;padding:.75rem 1rem;font-size:.875rem;color:#166534;max-width:440px}</style>

</head>

<body>

  <h1>Flexbox Centering</h1>

  <p>Content centered in a flex container:</p>

  <div class=flex-center>

    <span>Perfectly Centered</span>

  </div>

  <p class=tip>Use <code>display: flex</code> with <code>justify-content</code> and <code>align-items</code> for modern layouts.</p>

</body>

</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

Modern Replacement — Flexbox Centering