Internet Explorer 4 and 5 on PC will apply styles to form text. However, Netscape 4.x browsers do not have this support. You should be aware of some other form behaviors that differ across browsers. In Internet Explorer, if a form has no submit buttons or one submit button, the form can be submitted by pressing the carriage return key. A form in Netscape can only be submitted by pressing a submit button.
Many developers use CSS to set the margin to zero.
However, this does not work for Netscape browsers. Another HTML trick to get around poor CSS browser support concerns link colors. In Netscape 4.x on the Macintosh, a class cannot be applied to a specific link in order to change its color. These are commonly used for ad banners. The easiest way to make a site look and function well on all platforms, regardless of the browser, is to write good, clean HTML .