<!DOCTYPE html>
<html>
<title>W3.CSS</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">
<body>
<div class="w3-sidebar w3-light-grey w3-bar-block" style="width:25%">
<h3 class="w3-bar-item">Menu</h3>
<a href="#" class="w3-bar-item w3-button">Link 1</a>
<a href="#" class="w3-bar-item w3-button">Link 2</a>
<a href="#" class="w3-bar-item w3-button">Link 3</a>
</div>
<div style="margin-left:25%">
<div class="w3-container w3-teal">
<h1>My Page</h1>
</div>
<img src="img_car.jpg" alt="Car" style="width:100%">
<div class="w3-container">
<h2>Sidebar Navigation Example</h2>
<p>The sidebar with is set with "style="width:25%".</p>
<p>The left margin of the page content is set to the same value.</p>
</div>
</div>
</body>
</html>