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<!DOCTYPE html>
<html lang="en">
<head>
  <title>CSS overflow-y auto Example</title>
  <style>
    body {
      font-family: sans-serif;
      padding: 2rem;
      background: #f8fafc;
    }
    .panel {
      width: 320px;
      max-height: 180px;
      overflow-y: auto;
      border: 1px solid #cbd5e1;
      border-radius: 0.5rem;
      background: #fff;
      padding: 1rem;
    }
    .panel h2 {
      margin: 0 0 0.75rem;
      font-size: 1.1rem;
    }
    .panel p {
      margin: 0 0 0.75rem;
      line-height: 1.55;
      color: #334155;
    }
  </style>
</head>
<body>
  <h1>Scrollable Panel</h1>
  <div class="panel">
    <h2>Release Notes</h2>
    <p>Version 2.4 adds improved keyboard navigation and faster load times for dashboard widgets.</p>
    <p>Version 2.3 fixes a layout bug in narrow viewports and updates the default color palette.</p>
    <p>Version 2.2 introduces export to CSV for report tables and a refreshed settings panel.</p>
    <p>Version 2.1 improves accessibility labels across form controls and modal dialogs.</p>
  </div>
</body>
</html>

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CSS overflow-y Property - auto