General HTML, XHTML, and CSS Information

The Sams Publishing websitethe companion site to Sams Teach Yourself HTML and CSS in 24 Hours, including an online version of this appendix:

http://www.samspublishing.com/

The World Wide Web Consortium (W3C):

http://www.w3.org/

Microsoft Internet Explorer web browser:

http://www.microsoft.com/windows/ie/

Mozilla Firefox web browser:

http://www.getfirefox.com/

Opera web browser:

http://www.opera.com/

The HTML Writer's Guild:

http://www.hwg.org/

The Web Developer's Virtual Library:

http://www.wdvl.com/

XHTML.org:

http://www.xhtml.org/

Wireless Developer Network Wireless web pages:

http://www.wirelessdevnet.com/

HTML on Wikipedia:

http://en.wikipedia.org/wiki/Html

XHTML on Wikipedia:

http://en.wikipedia.org/wiki/XHTML

CSS on Wikipedia:

http://en.wikipedia.org/wiki/Cascading_Style_Sheets