HTML Classes
Classing Block Elements
The HTML class attribute makes it possible to define equal styles for "equal" <div> elements:
London
London is the capital city of England. It is the most populous city in the United Kingdom, with a metropolitan area of over 13 million inhabitants.
Standing on the River Thames, London has been a major settlement for two millennia, its history going back to its founding by the Romans, who named it Londinium.
Paris
Paris is the capital and most populous city of France.
Situated on the Seine River, it is at the heart of the Île-de-France region, also known as the région parisienne.
Within its metropolitan area is one of the largest population centers in Europe, with over 12 million inhabitants.
Tokyo
Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the most populous metropolitan area in the world.
It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family.
The Tokyo prefecture is part of the world's most populous metropolitan area with 38 million people and the world's largest urban economy.
Example
<!DOCTYPE html>
<html>
<head>
<style>
div.cities {
background-color:black;
color:white;
margin:20px;
padding:20px;
}
</style>
</head>
<body>
<div class="cities">
<h2>London</h2>
<p>London is the capital city of England. It is the most
populous city in the United Kingdom, with a metropolitan area of over 13
million inhabitants.</p>
</div>
<div class="cities">
<h2>Paris</h2>
<p>Paris is the capital and most populous city of
France.</p>
</div>
<div class="cities">
<h2>Tokyo</h2>
<p>Tokyo is the capital of Japan, the center of the
Greater Tokyo Area,
and the most populous metropolitan area in the
world.</p>
</div>
</body>
</html>
Try it Yourself »
Classing Inline Elements
The HTML class attribute also makes it possible to define equal styles for "equal" <span> elements:
Example
<!DOCTYPE html>
<html>
<head>
<style>
span.note {font-size:120%;color:red;}
</style>
</head>
<body>
<h1>My <span
class="note">Important</span> Heading</h1>
<p>This
is some <span
class="note">important</span> text.</p>
</body>
</html>
Try it Yourself »
Test Yourself with Exercises!
Exercise 1 » Exercise 2 » Exercise 3 »
