If you are a web developer, you might have come across the need to apply some CSS rules only for Firefox. For instance, you might want to apply some CSS rules only for Firefox because it doesn’t support some CSS properties or you might want to apply some CSS rules only for Firefox because it doesn’t support some CSS properties in a certain way. In this article, I will show you how you can apply some CSS rules only for Firefox. The @-moz-document rule The @-moz-document rule is a CSS rule that al...