You can control the appearance of forms (text fields, select boxes, buttons, labels, and so on) by using CSS. You can also greatly enhance the forms’ functionality with interactive styles—all without ever having to break out the HTML tables.
http://www.peachpit.com/articles/article.aspx?p=456144&seqNum=1
Another article:
http://alexking.org/blog/2005/07/18/css-checkbox-label-positioning
