To hide the search-area if you don't need it use this style: style 74851
For other Google Services use this styles: - style 50113 - style 40405
Read more
NOTES
2012-09-15: More updates and using regexp now, so for Firefox users it should work for all languages without editing the style 2012-09-04: Because there are still a lot of people using this, a small but not complete update for you ;) 2011-05-20: Fixed e-mail recipient popup 2011-04-01: Fixed the new google navbar and given the menus a smooth animation