DM 250 Week 1 - The Internet, XHTML, & CSS

The Internet, HTML & CSS NO MORE CONFUSION Photo by emagic

THAT’S NOT THE INTERNET!

IT’S NOT A TRUCK EITHER Senator Ted Stevens -- 2006 Photo by beardenb

The Internet A SERIES OF TUBES It’s just a giant network.

The Internet A SERIES OF TUBES It’s just a giant network. The Word Wide Web is something different.

Introducing the World Wide Web

What is <HTML>? HTML is a computer language devised to allow website creation. These websites can then be viewed by anyone else connected to the Internet. -- HTMLSource Graphic by itspaulkelly

HyperText

HyperText Markup

HyperText Markup Language

HTML Is the Foundation of a Web Page

BUT <b>how</b> does it <i>work</i>? Photo by Rutty

XHTML eXtensible HyperText Markup Language

html <tags> Photo by Jesper

<b>bold</b> <i>italic</i> <p>Paragraph text.</p> Photo by Jesper

Why Is XHTML Better? Photo by Travelin Libarian

Why Is XHTML Better? • It’s Strict. Photo by Travelin Libarian

Why Is XHTML Better? • It’s Strict. • Helps you avoid cross-browser compatibility issues. Photo by Travelin Libarian

Why Is XHTML Better? • It’s Strict. • Helps you avoid cross-browser compatibility issues. • It makes you cool. Photo by Travelin Libarian

Introducing .css { font-size: 36px; color: green; font-weight: bold; text-align: left; } img#lolcat{ height: 640px; width: 539px; border: none; }

Cascading

Cascading Style

Cascading Style Sheets

<html> <p class=“redText”> This text is red with CSS styling it. </p> </html>

Anatomy of an XHTML Document Doctype Head Body

Document Type Deﬁnition AKA: DTD or Doctype For Example: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

Let’s Create an XHTML Skeleton Phote by: an_untrained_eye

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DM 250 Week 1 - The Internet, XHTML, & CSS

by Joel G Goodman

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