XHTML and HTML -- The Basics
Origin of the Browser/p>

HTML Tags
The First Graphical Browsers
The State of Browsers Today

HTML 4.01 and XHTML 1.0
Then what is XHTML?
XML + HTML = XHTML
Content versus Presentation
The Reformulation of HTML 4.01 into XHTML 1.0
The Basic Web Page
Tags
The Basic Structure
Validating an XHTML Page
Validation using Transitional vs. Strict DTDs

Body Text
White Space and Paragraph Breaks
Formatting Body Text

Headings
The Sizes of Headings
Hierarchy of Headings