<!DOCTYPE html>
<html lang="en">
<title>W3.CSS Case</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://www.w3schools.com/w3css/5/w3.css">
<body>
<header class="w3-container w3-light-grey">
<h1 class="w3-jumbo">My First W3.CSS Website!</h1>
<p class="w3-xlarge">This site will grow as we add more ...</p>
</header>
<div class="w3-bar w3-black w3-large">
<a href="#" class="w3-bar-item w3-button">Home</a>
<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 class="w3-row-padding">
<div class="w3-quarter">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>
</div>
<div class="w3-half">
<p><strong>On a large screen the content will be displayed as a 3-column layout. On a small screen the content will adjust itself into a single-column. Resize the browser window to see the effect.</strong></p>
</div>
<div class="w3-quarter">
<p>Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.</p>