Version 3.1
- markup changes: ID's #page_margins and #page are changed into classes for multiple usage within a single layout
- navigation elements: changed ID's to classes for easier usage, changed classnames for consistency
- forms support included
- better standard content styling

- example section rearanged
- added a small navigation to cycle through all examples
- new example "styling_content" included
- new example "building_forms" included
- new example "flexible grids II" included
- new example "fullpage 3col" included
- new example "fullpage grids" included
- new example "equal_height_boxes" included
- new example "dynamic_layout_switching" included

- add-on: "right to left" language support included
- add-on: microformats support included

Core-Files 
base.css
- added bugfix for FF rendering of select element
- added properties for blockquote and q element to reset block  
- added .equalize class for "equal heights" support
- .skip, .hide, .print ... removed property "width & height: 1px" to allow bringing content back on screen more easy
- added dfn element to the hidden elements

iehacks.css
- added patches for class .equalize ("equal heights" support)
- added class .no-ie-padding to enable bottom positioning in IE
- changed z-index fix, so that content in #col3 can be selected again in IE 5.x | 6.0

print_base.css
- removed font changes for print (unit change to [pt] remains as Gecko-Fix)
- rearanged user draft print-stylesheets
- added class .noprint

other Bugfixes
- nav_shiny_buttons: collapsing horizontal margins fixed