This week I saw this: http://www.simplebits.com/bits/minitabs.html and tried to make it by myself, using em's. I made the following code and it's almost perfect... But at the largest size (when you increase font-size with command and + or ctrl and + for windows) the bottom-border is a little to low...
<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\"> <html xmlns=\"http://www.w3.org/1999/xhtml\">
I made the following code and it's almost perfect... But at the largest size (when you increase font-size with command and + or ctrl and + for windows) the bottom-border is a little to low...