HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <title>CSS :lang(en-US) vs :lang(en-GB)</title>
  <style>
    body {
      font-family: system-ui, sans-serif;
      padding: 1.5rem;
      background: #f8fafc;
    }

    p {
      margin: 0 0 0.75rem;
      padding: 0.65rem 0.85rem;
      border-radius: 0.4rem;
      font-size: 0.9375rem;
    }

    :lang(en) {
      font-family: system-ui, sans-serif;
    }

    :lang(en-US) {
      color: #1d4ed8;
      background: #eff6ff;
    }

    :lang(en-GB) {
      color: #7c3aed;
      background: #f5f3ff;
    }
  </style>
</head>
<body>
  <p lang="en-US">Color (U.S. English — blue)</p>
  <p lang="en-GB">Colour (British English — purple)</p>
  <p><small><code>:lang(en)</code> matches both; regional codes add specific colors.</small></p>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

CSS :lang() Selector - Regional Variants