HTML tables and CSS rules.
Important: Applying padding to a table has no effect, use the cellpadding properties instead.
Tables W3C
http://www.w3.org/TR/html401/struct/tables.html
Styling tables with CSS
http://www.elated.com/articles/styling-tables-with-css/
Styling tables
http://www.w3schools.com/css/css_table.asp
Table and CSS
http://www.w3.org/TR/CSS2/tables.html
Table Designs
http://www.smashingmagazine.com/2008/08/13/top-10-css-table-designs/
Tables with CSS
http://articles.sitepoint.com/print/terrific-tables-css
Fun with tables
http://www.quirksmode.org/css/tables.html