HTML AND CSS

HTML & CSS

Design and Build Websites

Jon Duckett

John Wiley & Sons, Inc.

HTML & CSS

Design and build Websites

Published by ©2011 by John Wiley & Sons, Inc., Indianapolis, Indiana
John Wiley & Sons, Inc. ISBN: 978-1-118-00818-8
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Credits

For John Wiley & Sons, Inc. Author Photography
Jon Duckett John Stewardson
Executive Editor johnstewardson.com
Carol Long Cover Designer
Emme Stone Additional Photography
Marketing Manager Hesperian
Ashley Zurcher Design and Layout Joe Robertson
Jon Duckett flickr.com/photos/mindfire
Production Manager Emme Stone Jules Clancy
Tim Tate thestonesoup.com
Technical Editor Kylie Gusset
PRODUCTION EDITOR Chris Mills gusset.net
Daniel Scribner Michael Stillwell
TECHNICAL REVIEWERS beebo.org
Vice President and Andy Stone
Executive Group Publisher Angela Shimell
Richard Swadley Donna Watson
Martin Callanan
Vice President and Rob Jacoby
Executive Publisher Tony Berry
Barry Pruett

Associate Publisher
Jim Minatel

Production Coordinator,
Cover
Katie Crocker

Try out and download all of the code for this book online at:
http://www.htmlandcssbook.com/code/

Contents

Introduction 2
Chapter 1: Structure 12
Chapter 2: Text 40
Chapter 3: Lists 62
Chapter 4: Links 74
Chapter 5: Images 94
Chapter 6: Tables 126
Chapter 7: Forms 144
Chapter 8: Extra Markup 176
Chapter 9: Flash, Video & Audio 200
Chapter 10: Introducing CSS 226
Chapter 11: Color 246
Chapter 12: Text 264
Chapter 13: Boxes 300
Chapter 14: Lists, Tables & Forms 330
Chapter 15: Layout 358
Chapter 16: Images 406
Chapter 17: HTML5 Layout 428
Chapter 18: Process & Design 452
Chapter 19: Practical Information 476
Index 493



Introduction

XX About this book
XX How the web works
XX Learning from other pages

Firstly, thank you for picking up this
book. It has been written with two very
different types of people in mind:

●● Those who want to learn how to design and build websites
from scratch

●● Anyone who has a website (that may be built using a
content management system, blogging software, or an
e-commerce platform) and wants more control over the
appearance of their pages

The only things you need in order to use this book are a
computer with a web browser and a text editor (such as
Notepad, which comes with Windows, or TextEdit, which
comes with Macs).

3 INTRODUCTION

Introduction pages come at the beginning of each Reference pages introduce key pieces of HTML &
chapter. They introduce the key topics you will learn CSS code. The HTML code is shown in blue and CSS
about. code is shown in pink.

Background pages appear on white; they explain the Diagram and infographics pages are shown on a
context of the topics covered that are discussed in dark background. They provide a simple, visual
each chapter. reference to topics discussed.

Example pages put together the topics you have Summary pages come at the end of each chapter.
learned and demonstrate how they can be applied They remind you of the key topics that were covered
in each. in each chapter.

INTRODUCTION 4

Is it hard to Learn?

Many books that teach HTML and CSS I've focussed on the code you
resemble dull manuals. To make it easier for need to use 90% of the time
you to learn, we threw away the traditional and omitted the code that you
template used by publishers and redesigned would rarely see even if writing
this book from scratch. websites is your full time job. By
the end of the book, if you come
At work, when people look Understanding HTML and CSS across the other 10% you will be
at my screen and see it full of can help anyone who works able to Google it to find out what
code, it's not unusual to get a with the web; designers can it means quickly and easily.
comment about it looking very create more attractive and
complicated or how clever I must usable sites, website editors can I have also added practical
be to understand it. The truth create better content, marketers information on topics I am
is, it's not that hard to learn how can communicate with their commonly asked about, such as
to write web pages and read audience more effectively, and how to prepare images, audio
the code used to create them; managers can commission and video for the web, how to
you certainly don't have to be a better sites and get the best out approach the design and build
"programmer." of their teams. of a new site, how to improve
your rankings in search engines
(SEO), and how to use Google
Analytics to learn about visitors
to your site.

5 INTRODUCTION

The Structure of
This Book

In order to teach you about creating web pages,
this book is divided into three sections:

1: HTML 2: CSS 3: Practical

We will spend the first chapter We start this section with a We end up with some helpful
looking at how HTML is used to chapter that explains how CSS information that will assist you in
create web pages. You will see uses rules to enable you to building better websites.
that you start by writing down control the styling and layout
the words you want to appear of web pages. We then go on to We look at some new tags that
on your page. You then add tags look at the wide variety of CSS will be introduced in HTML5 to
or elements to the words so properties you can use in your help describe the structure of
that the browser knows what is CSS rules. These properties your pages. HTML5 is the latest
a heading, where a paragraph generally fall into one of two version of HTML (still under
begins and ends, and so on. categories: development at the time of
writing). Before learning about
The rest of this section Presentation: How to control these elements, you need a good
introduces the tags you have things like the color of text, the grasp of how CSS is used to
at your disposal to create web fonts you want to use and the control the design of web pages.
pages, grouped into chapters on: size of those fonts, how to add There is a chapter that talks you
text, lists, links, images, tables, background colors to pages (or through a design process that
forms, video audio and flash, and parts of a page), and how to add you might like to follow when
miscellaneous elements. background images. creating a new website.

I should warn you that the Layout: How to control where Finally, we end up looking at
examples in the first nine the different elements are topics that will help you once
chapters are not exciting to look positioned on the screen. You you have built your site, such
at, yet they are the foundation of will also learn several techniques as putting it on the web, search
every web page. The following that professionals use to make engine optimisation (SEO) and
chapters on CSS will show you their pages more attractive. using analytics software to track
how to make your pages look a who comes to your site and what
lot more interesting. they are looking at.

INTRODUCTION 6

How People
Access the Web

Before we look at the code used to build
websites it is important to consider the
different ways in which people access the web
and clarify some terminology.

Browsers Web Servers Screen readers

People access websites using When you ask your browser for Screen readers are programs
software called a web browser. a web page, the request is sent that read out the contents of a
Popular examples include across the Internet to a special computer screen to a user. They
Firefox, Internet Explorer, Safari, computer known as a web are commonly used by people
Chrome, and Opera. server which hosts the website. with visual impairments.

In order to view a web page, Web servers are special In the same way that many
users might type a web address computers that are constantly countries have legislations
into their browser, follow a connected to the Internet, and that require public buildings
link from another site, or use a are optimized to send web pages to be accessible to those with
bookmark. out to people who request them. disabilities, many laws have
also been passed that require
Software manufacturers Some big companies run their websites be accessible to those
regularly release new versions own web servers, but it is more with disabilities.
of browsers with new features common to use the services of
and supporting new additions a web hosting company who Throughout this book you will
to languages. It is important, charge a fee to host your site. see several references to screen
however, to remember that readers. These notes will help
many computer owners will not Devices ensure that the sites you create
be running the latest versions are accessible to people who use
of these browsers. Therefore People are accessing websites such software.
you cannot rely on all visitors to on an increasing range of devices
your site being able to use the including desktop computers, It is interesting to note that
latest functionality offered in all laptops, tablets, and mobile technologies similar to those
browsers. phones. It is important to employed by screen readers are
remember that various devices also being used in other areas
You will learn how to tell which have different screen sizes and where people are unable read a
browsers visitors use to access some have faster connections to screen, such as when they are
your website in Chapter 19. the web than others. driving or jogging.

7 INTRODUCTION

How Websites
Are Created

All websites use HTML and CSS, but content
management systems, blogging software, and
e-commerce platforms often add a few more
technologies into the mix.

What you see How it is Created HTML5 & CSS3

When you are looking at a Small websites are often written Since the web was first created
website, it is most likely that just using HTML and CSS. there have been several versions
your browser will be receiving of HTML and CSS — each
HTML and CSS from the web Larger websites — in particular intended to be an improvement
server that hosts the site. The those that are updated regularly on the previous version.
web browser interprets the and use a content management
HTML and CSS code to create system (CMS), blogging tools, or At the time of writing this
the page that you see. e-commerce software — often book, HTML5 & CSS3 were
make use of more complex still being developed. Although
Most web pages also include technologies on the web server, they had not been finalized,
extra content such as images, but these technologies are many browsers were already
audio, video, or animations and actually used to produce HTML supporting some features of
this book will teach you how to and CSS that is then sent to the these languages and a lot of
prepare them for use on the web browser. So, if your site uses people were using the latest
and then how to insert them into these technologies, you will be code on their websites. I have
your web pages. able to use your new HTML and therefore chosen to teach you
CSS knowledge to take more these latest versions.
Some sites also send JavaScript control over how your site looks.
or Flash to your browser, and you Because HTML5 and CSS3
will see how to add JavaScript Larger, more complex sites like build on previous versions of
and Flash in your web pages. these may use a database to these languages, learning these
Both of these technologies are store data, and programming means you will also be able to
advanced topics that you can go languages such as PHP, ASP.Net, understand the earlier versions
on to learn more about once you Java, or Ruby on the web server, of them. I have added clear notes
have mastered HTML and CSS, if but you do not need to know when the code is new and also
you want to. these technologies to improve when it might not work in older
what the user sees. The skills browsers.
you'll learn in this book should be
enough to help you on that road.

INTRODUCTION 8

How the Web Works

When you visit a website, the web server
hosting that site could be anywhere in the
world. In order for you to find the location of
the web server, your browser will first connect
to a Domain Name System (DNS) server.

On this page you can see ●● A user in Barcelona visits On the right you can see what
examples that demonstrate sony.jp in Tokyo happens when a web user in
how the web server that hosts England wants to view the
the website you are visiting can ●● A user in New York visits website of the Louvre art gallery
be anywhere in the world. It is google.com in San Francisco in France which is located at
the DNS servers that tell your www.louvre.fr. Firstly, the
browser how to find the website. ●● A user in Stockholm visits browser in Cambridge contacts
qantas.com.au in Sydney a DNS server in London. The
9 INTRODUCTION DNS server then tells the
●● A user in Vancouver visits browser the location of the web
airindia.in in Bangalore server hosting the site in Paris.

1 2
When you connect to the web, Your computer contacts a
you do so via an Internet Service network of servers called
Provider (ISP). You type a Domain Name System (DNS)
domain name or web address servers. These act like phone
into your browser to visit a site; books; they tell your computer
for example: google.com, the IP address associated with
bbc.co.uk, microsoft.com. the requested domain name.
An IP address is a number
3 of up to 12 digits separated
The unique number that the by periods / full stops. Every
DNS server returns to your device connected to the web
computer allows your browser has a unique IP address; it is
to contact the web server like the phone number for that
that hosts the website you computer.
requested. A web server is a
computer that is constantly Cambridge
connected to the web, and is set
up especially to send web pages LONDON
to users.
PARIS

4
The web server then sends the
page you requested back to your
web browser.



1

Structure

XX Understanding structure
XX Learning about markup
XX Tags and elements

We come across all kinds of documents
every day of our lives. Newspapers,
insurance forms, shop catalogues... the
list goes on.

Many web pages act like electronic versions of these
documents. For example, newspapers show the same stories
in print as they do on websites; you can apply for insurance
over the web; and stores have online catalogs and e-commerce
facilities.
In all kinds of documents, structure is very important in helping
readers to understand the messages you are trying to convey
and to navigate around the document. So, in order to learn how
to write web pages, it is very important to understand how to
structure documents. In this chapter you will:
●● See how HTML describes the structure of a web page
●● Learn how tags or elements are added to your document
●● Write your first web page

13 STRUCTURE

STRUCTURE 14

How Pages Use
Structure

Think about the stories you The structure is very similar Now think about a very different
read in a newspaper: for each when a news story is viewed type of document — an
story, there will be a headline, online (although it may also insurance form. Insurance forms
some text, and possibly some feature audio or video). This is often have headings for different
images. If the article is a long illustrated on the right with a sections, and each section
piece, there may be subheadings copy of a newspaper alongside contains a list of questions with
that split the story into separate the corresponding article on its areas for you to fill in details or
sections or quotes from those website. checkboxes to tick. Again, the
involved. Structure helps readers structure is very similar online.
understand the stories in the
newspaper.

15 STRUCTURE

STRUCTURE 16

Structuring Word
Documents

The use of headings and This might be expanded upon On the right, you can see a
subheadings in any document under subheadings lower down simple document in Microsoft
often reflects a hierarchy of on the page. When using a word Word. The different styles for
information. For example, a processor to create a document, the document, such as different
document might start with we separate out the text to give levels of heading, are shown
a large heading, followed by it structure. Each topic might in the drop down box. If you
an introduction or the most have a new paragraph, and each regularly use Word, you might
important information. section can have a heading to have also used the formatting
describe what it covers. toolbar or palette to do this.

17 STRUCTURE

STRUCTURE 18

On the previous page you saw
how structure was added to
a Word document to make it
easier to understand. We use
structure in the same way when
writing web pages.

19 STRUCTURE

HTML Describes
the Structure

of Pages

In the browser window you can see a web page that features exactly
the same content as the Word document you met on the page 18. To
describe the structure of a web page, we add code to the words we want
to appear on the page.

You can see the HTML code for this page below. Don't worry about what
the code means yet. We start to look at it in more detail on the next
page. Note that the HTML code is in blue, and the text you see on screen
is in black.

<html>
<body>
<h1>This is the Main Heading</h1>
<p>This text might be an introduction to the rest of
the page. And if the page is a long one it might
be split up into several sub-headings.<p>
<h2>This is a Sub-Heading</h2>
<p>Many long articles have sub-headings so to help
you follow the structure of what is being written.
There may even be sub-sub-headings (or lower-level
headings).</p>
<h2>Another Sub-Heading</h2>
<p>Here you can see another sub-heading.</p>
</body>
</html>

The HTML code (in blue) is made up of characters that live inside angled
brackets — these are called HTML elements. Elements are usually
made up of two tags: an opening tag and a closing tag. (The closing tag
has an extra forward slash in it.) Each HTML element tells the browser
something about the information that sits between its opening and
closing tags.

STRUCTURE 20

HTML Uses Elements
to Describe the
Structure of Pages

Let's look closer at the code from the last page.
There are several different elements. Each
element has an opening tag and a closing tag.

Code

<html>
<body>

<h1>This is the Main Heading</h1>
<p>This text might be an introduction to the rest of

the page. And if the page is a long one it might
be split up into several sub-headings.<p>

<h2>This is a Sub-Heading</h2>
<p>Many long articles have sub-headings so to help

you follow the structure of what is being written.
There may even be sub-sub-headings (or lower-level
headings).</p>

<h2>Another Sub-Heading</h2>
<p>Here you can see another sub-heading.</p>

</body>
</html>

21 STRUCTURE

Tags act like containers. They tell you
something about the information that lies
between their opening and closing tags.

Description

The opening <html> tag indicates that anything between it and a closing </html> tag is HTML code.
The <body> tag indicates that anything between it and the closing
</body> tag should be shown inside the main browser window.
Words between <h1> and </h1> are a main heading.
A paragraph of text appears between these <p> and </p> tags.

Words between <h2> and </h2> form a sub-heading.
Here is another paragraph between opening <p> and closing </p> tags.

Another sub-heading inside <h2> and </h2> tags.
Another paragraph inside <p> and </p> tags.

The closing </body> tag indicates the end of what should appear in the main browser window.
The closing </html> tag indicates that it is the end of the HTML code.

STRUCTURE 22

A Closer Look at Tags

<p>Character

left-angle bracket RIGHT-angle bracket
(less-than sign) (MORE-than sign)

Opening Tag

The characters in the brackets For example, in the tags above The closing tag has a forward
indicate the tag's purpose. the p stands for paragraph. slash after the the < symbol.

23 STRUCTURE

</p>Character

RIGHT-angle bracket
(MORE-than sign)

left-angle bracket
(less-than sign)

Forward Slash

Closing Tag

The terms "tag" and "element" Strictly speaking, however, an tag and the closing tag and any
are often used interchangeably. element comprises the opening content that lies between them.

STRUCTURE 24

Attributes Tell Us
More About Elements

Attributes provide additional information
about the contents of an element. They appear
on the opening tag of the element and are
made up of two parts: a name and a value,
separated by an equals sign.

Attribute
Name

<p lang="en-us">Paragraph in English</p>

Attribute
Value

The attribute name indicates The value is the information Here an attribute called lang is
what kind of extra information or setting for the attribute. It used to indicate the language
you are supplying about the should be placed in double used in this element. The value
element's content. It should be quotes. Different attributes can of this attribute on this page
written in lowercase. have different values. specifies it is in US English.

25 STRUCTURE

HTML5 allows you to use
uppercase attribute names and
omit the quotemarks, but this is
not recommended.

Attribute
Name

<p lang="fr">Paragraphe en Français</p>

Attribute
Value

The majority of attributes can Most attribute values are The value of the lang attribute
only be used on certain either pre-defined or follow a is an abbreviated way of
elements, although a few stipulated format. We will look specifying which language is
attributes (such as lang) at the permitted values as we used inside the element that
can appear on any element. introduce each new attribute. all browsers understand.

STRUCTURE 26

Body, Head & Title

<body> /chapter-01/body-head-title.html HTML

You met the <body> element <html>
in the first example we created. <head>
Everything inside this element is <title>This is the Title of the Page</title>
shown inside the main browser </head>
window. <body>
<h1>This is the Body of the Page</h1>
<head> <p>Anything within the body of a web page is
displayed in the main browser window.</p>
Before the <body> element you </body>
will often see a <head> element. </html>
This contains information
about the page (rather than R e s u lt
information that is shown within
the main part of the browser
window that is highlighted in
blue on the opposite page).
You will usually find a <title>
element inside the <head>
element.

<title>

The contents of the <title>
element are either shown in the
top of the browser, above where
you usually type in the URL of
the page you want to visit, or
on the tab for that page (if your
browser uses tabs to allow you
to view multiple pages at the
same time).

27 STRUCTURE

Anything written between the
<title> tags will appear in the
title bar (or tabs) at the top of
the browser window, highlighted
in orange here.

Anything written between
the <body> tags will appear
in the main browser window,
highlighted in blue here.

You may know that HTML page to another quickly and page, we add code around the
stands for HyperText Markup easily. A markup language allows original text we want to display
Language. The HyperText part you to annotate text, and these and the browser then uses
refers to the fact that HTML annotations provide additional the code to display the page
allows you to create links that meaning to the contents of a correctly. So the tags we add are
allow visitors to move from one document. If you think of a web the markup.

STRUCTURE 28

Creating a Web Page
on a PC

To create your first web page on 1
a PC, start up Notepad. You can
find this by going to:

Start
All Programs (or Programs)
Accessories

Notepad

You might also like to download
a free editor called Notepad++
from notepad-plus-plus.org.

Type the code shown on the 2
right.

29 STRUCTURE

Article

Go to the File menu and select

3 Save as... You will need to save
the file somewhere you can

remember. If you like, you could

create a folder for any examples

that you try out from this book.

Save this file as first-test.
html. Make sure that the Save
as type drop down has All Files

selected.

Start your web browser. Go to

4 the File menu and select Open.
Browse to the file that you just

created, select it and click on the

Open button. The result should

look something like the screen

shot to the left.

If it doesn't look like this, find
the file you just created on your
computer and make sure that it
has the file extension .html (if
it is .txt then you need to go
back to Notepad and save the
file again, but this time put quote
marks around the name "first-
test.html").

STRUCTURE 30

Creating a Web Page
on a Mac

To create your first web page on 1
a Mac, start up TextEdit. This
should be in your Applications
folder.

You might also like to download
a free text editor for creating
web pages called TextWrangler
which is available from
barebones.com.

Type the code shown on the 2
right.

31 STRUCTURE

Article

Now go to the File menu and

3 select Save as... You will need to
save the file somewhere you can

remember.

If you like, you could create a
folder for any examples that you
try out from this book. Save this
file as first-test.html. You
will probably see a window like
the screen shot to the left.

You want to select the Use .html
button.

Next, start your web browser,

4 go to the File menu, and select
Open. You should browse to the

file that you just created, select

it and click on the Open button.

The result should look like the

screen shot to the left.

If it doesn't look like this, you
might need to change one of
the settings in TextEdit. Go to
the TextEdit menu and select
Preferences. Then on the
preferences for Open and Save,
tick the box that says Ignore rich
text commands in HTML files.
Now try to save the file again.

STRUCTURE 32

Code in a Content
Management System

If you are working with a content that allows you to enter a title system might use the same
management system, blogging for the page, another box for the template to show all of their
platform, or e-commerce main article, a way to enter a products.) The information
application, you will probably publication date, and something you supply is placed into the
log into a special administration to indicate which section of the templates.
section of the website to control site this page belongs in.
it. The tools provided in the The advantage of this approach
administration sections of these For an e-commerce store, you is that people who do not know
sites usually allow you to edit might have boxes that allow you how to write web pages can
parts of the page rather than to enter a title for the product, add information to a website
the entire page, which means a description of the product, its and it is also possible to change
you will rarely see the <html>, price, and the quantity available. the presentation of something
<head>, or <body> elements. in the template, and it will
That is because they use a single automatically update every page
Looking at the content 'template' to control all of the that uses that template. If you
management system on the pages for a section of the site. imagine an e-commerce store
opposite page, you have a box (For example, an e-commerce with 1,000 items for sale, just

33 STRUCTURE

altering one template is a lot are adding HTML code to your might have a button (which
easier than changing the page text, just like the code you have often shows angle brackets) to
for each individual product. seen earlier in this chapter. indicate how to access the code.
In systems like this, when Many of these editors will have
you have a large block of text an option that allows you to see Some content management
that you can edit, such as a (and edit) the code that they systems offer tools that also
news article, blog entry or the produce. allow you to edit the template
description of a product in an files. If you do try to edit
e-commerce store, you will often Once you know how to read and template files you need to check
see a text editor displayed. edit this code, you can take more the documentation for your CMS
control over these sections of as they all differ from each other.
Text editors usually have your website. You need to be careful when
controls a little like those on editing template files because
your word processor, giving In the example above, you can if you delete the wrong piece of
you different options to style see that the text editor has a tab code or add something in the
text, add links or insert images. for Visual / HTML views of what wrong place the site may stop
Behind the scenes these editors the user enters. Other systems working entirely.

STRUCTURE 34

Looking at How Other
sites are Built

When the web was first taking Once you have opened this At first this code might look
off, one of the most common page, you can look for the View complicated but don't be
ways to learn about HTML and menu in your browser, and select discouraged. By the time you
discover new tips and techniques the option that says Source or have finished the next chapter
was to look at the source code View source. (The title changes of this book, you will be able to
that made up web pages. depending on what browser you understand it.
are using.)
These days there are many All of the examples for this book
more books and online tutorials You should see a new window are on the website, and you can
that teach HTML, but you can appear, and it will contain the use this simple technique on any
still look at the code that a web source code that was used to of the example pages to see how
server sends to you. To try this create this page. they work.
out for yourself, simply go to the
sample code for this chapter, at You can see this result in the You can also download all of
www.htmlandcssbook.com/ photograph on the right. The the code for this book from the
code/ and click on the link called page you see is the window at same website by clicking on the
"View Source." the top; the code is below. "Download" link.

35 STRUCTURE

STRUCTURE 36



Summary

STRUCTURE

XX HTML pages are text documents.

XX HTML uses tags (characters that sit inside angled
brackets) to give the information they surround special
meaning.

XX Tags are often referred to as elements.

XX Tags usually come in pairs. The opening tag denotes
the start of a piece of content; the closing tag denotes
the end.

XX Opening tags can carry attributes, which tell us more
about the content of that element.

XX Attributes require a name and a value.

XX To learn HTML you need to know what tags are
available for you to use, what they do, and where they
can go.



2

Text

XX Headings and paragraphs
XX Bold, italic, emphasis
XX Structural and semantic markup

When creating a web page, you add tags
(known as markup) to the contents of the
page. These tags provide extra meaning
and allow browsers to show users the
appropriate structure for the page.

In this chapter we focus on how to add markup to the text that
appears on your pages. You will learn about:
●● Structural markup: the elements that you can use to

describe both headings and paragraphs
●● Semantic markup: which provides extra information; such

as where emphasis is placed in a sentence, that something
you have written is a quotation (and who said it), the
meaning of acronyms, and so on

41 TEXT

TEXT 42

Headings

<h1> chapter-02/headings.html HTML
<h2> R e s u lt
<h3> <h1>This is a Main Heading</h1>
<h4> <h2>This is a Level 2 Heading</h2>
<h5> <h3>This is a Level 3 Heading</h3>
<h6> <h4>This is a Level 4 Heading</h4>
<h5>This is a Level 5 Heading</h5>
HTML has six "levels" of <h6>This is a Level 6 Heading</h6>
headings:

<h1> is used for main headings

<h2> is used for subheadings

If there are further sections
under the subheadings then the
<h3> element is used, and so
on...

Browsers display the contents of
headings at different sizes. The
contents of an <h1> element is
the largest, and the contents of
an <h6> element is the smallest.
The exact size at which each
browser shows the headings
can vary slightly. Users can also
adjust the size of text in their
browser. You will see how to
control the size of text, its color,
and the fonts used when we
come to look at CSS.

43 TEXT