HTML Code

<!DOCTYPE html>
<html>
<head>
  <title>CSS tv and scan Example</title>
  <style>
    body {
      font-family: system-ui, sans-serif;
      padding: 1.5rem;
      margin: 0;
      background: #1e293b;
      color: #f8fafc;
    }

    .banner {
      padding: 1rem;
      background: #334155;
      border-radius: 0.5rem;
      text-align: center;
    }

    @media tv and (scan: interlace) {
      .banner {
        background: #7c2d12;
        border: 2px solid #fbbf24;
      }
    }
  </style>
</head>
<body>
  <div class="banner">
    <h1>TV Banner</h1>
    <p>Extra contrast on interlaced TV displays.</p>
  </div>
</body>
</html>

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CSS scan - TV and Interlace