HTML Code

<!DOCTYPE html>

<html lang="en">

<head>

  <meta charset="UTF-8">

  <meta name="viewport" content="width=device-width, initial-scale=1.0">

  <title>Styled Headings Example</title>

  <style>

    body { font-family: system-ui, sans-serif; margin: 1.5rem; color: #334155; line-height: 1.6; }

    h1 {

      font-size: 2rem;

      color: #1d4ed8;

      border-bottom: 2px solid #93c5fd;

      padding-bottom: 0.35rem;

      margin: 0 0 0.75rem;

    }

    h2 {

      font-size: 1.375rem;

      color: #059669;

      margin: 1.25rem 0 0.5rem;

    }

    p { max-width: 520px; }

  </style>

</head>

<body>

  <main>

    <h1>Styled Main Heading</h1>

    <p>Use CSS for visual design. Keep h1–h6 for document structure.</p>

    <h2>Styled Subheading</h2>

    <p>Search engines and screen readers still read the heading level correctly.</p>

  </main>

</body>

</html>

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