CSS

CascadingStyleSheets

quick-and-dirty managerial intro

Google BluePrintCss framework http://code.google.com/p/blueprintcss/

tutorial site http://www.echoecho.com/css.htm

http://learnlayout.com/

Sept'2011: Twitter "BootStrap" library, built on top of Less (which gives you parametric CSS)

Jan'2011: Responsive Web Design with CSS-3 media-queries for Mobile

• Sept'2011: Boston Globe redesign discussion - the design was driven by Ethan Marcotte, who "wrote the book" on Responsive Web design.

Jan'2009: 10 WebApp UI techniques

Jan'2007 - 53 techniques you can't live without

http://radio.weblogs.com/0100630/stories/2002/02/13/cssKoolaidForNewbies.html

Google HTML/CSS styleguide

<http://www.w3.org/Mark Up/Guide/Style>

http://www.nypl.org/styleguide/ (they still use HTML tables, but CSS for all other style control - this sounds like a pretty good compromise, if it validates - which that particular URL does)

Apple guidelines bless using one layer of tables (after trying pure-CSS), and give simple things to do to move stuff into CSS

Jeffrey Zeldman: http://www.zeldman.com/lectures/css/ and his book.

http://www.brainjar.com/css/positioning/default.asp

http://glish.com/css/

http://www.thenoodleincident.com/tutorials/box_lesson/index.html

Simon Willison tutorial series then Blast sites with user-side style sheets to find legacy markup http://www.meryl.net/articles/archives/001014.php

layout-o-matic for boxes http://www.inknoise.com/experimental/layoutomatic.php

WebLog table design generator http://www.wannabegirl.org/firdamatic/

Html Dog info site http://www.htmldog.com/

Jeffrey Zeldman on DropDownMenus; hates them, but points to a way to do them relatively cleanly just in case

Mark Bernstein on tools for debugging CSS commands.

on fluid layouts for handling a variety of window widths