HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>CSS border-width Pixel Comparison</title>
  <style>
    body {
      font-family: sans-serif;
      padding: 1.5rem;
      background: #f8fafc;
    }

    .width-examples div {
      max-width: 16rem;
      padding: 0.75rem;
      margin-bottom: 0.75rem;
    }

    .w-1 { border: 1px solid #64748b; }
    .w-4 {
      border-width: 4px;
      border-style: solid;
      border-color: #2563eb;
    }
    .w-8 { border: 8px solid #dc2626; }
  </style>
</head>
<body>
  <h1>Border Width Comparison</h1>
  <div class="width-examples">
    <div class="w-1">1px border</div>
    <div class="w-4">4px border</div>
    <div class="w-8">8px border</div>
  </div>
</body>
</html>

Lines: 0 | Characters: 0

Live Preview Auto-refresh on Run

CSS border-width Property - Pixel Comparison