<!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-container">
<h2>Displaying Notes</h2>
<p>The w3-panel class can be used to display all sorts of notes:</p>
<div class="w3-panel w3-yellow">
<p>London is the most populous city in the United Kingdom,
with a metropolitan area of over 9 million inhabitants.</p>
</div>
<div class="w3-panel w3-border">
<p>London is the most populous city in the United Kingdom,
with a metropolitan area of over 9 million inhabitants.</p>
</div>
<div class="w3-panel w3-light-grey w3-border w3-round">
<p>London is the most populous city in the United Kingdom,
with a metropolitan area of over 9 million inhabitants.</p>
</div>
<div class="w3-panel w3-pale-blue w3-leftbar w3-border-blue">
<p>London is the most populous city in the United Kingdom,
with a metropolitan area of over 9 million inhabitants.</p>
</div>
<div class="w3-panel w3-pale-red w3-leftbar w3-rightbar w3-border-red">
<p>London is the most populous city in the United Kingdom,
with a metropolitan area of over 9 million inhabitants.</p>
</div>
<div class="w3-panel w3-pale-yellow w3-topbar w3-bottombar w3-border-yellow">
<p>London is the most populous city in the United Kingdom,
with a metropolitan area of over 9 million inhabitants.</p>