<div class='container'>
  <h1>Welcome to My Website</h1>
  <p>This is an example of using the max-width property in CSS. Resize the browser window to see the effect!</p>
</div>

.container {
  max-width: 600px;
  margin: 0 auto;
  padding: 20px;
  background-color: #f0f0f0;
  border: 1px solid #ccc;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
  color: #333;
}

p {
  color: #666;
}

// No JavaScript required for this demo

Welcome to My Website

This is an example of using the max-width property in CSS. Resize the browser window to see the effect!