Crazy CSS Issue in Firefox Only

This pen demonstrate Firefox-only CSS. The background color will be green when you load this pen in Firefox and for rest of the browsers, it will be red.

It targets only Firefox browsers, so you can make CSS exceptions. You would use it for hacks, to make your site more functional.

The :only-of-type CSS pseudo-class represents an element that has no siblings of the same type. Try it CSS Demo: :only-of-type

The :-moz-only-whitespace CSS pseudo-class matches elements that only contain text nodes that only contain whitespace.

How to Apply CSS to Only Firefox. This solution below offers you decent Firefox-only CSS support in a wider range of Firefox browser versions...

@-moz-document has been a quite useful hack to target Firefox in CSS. For instance, @-moz-document url-prefix() { /* Firefox-specific rules */ }

The @-moz-document rule is a CSS rule that allows you to apply some CSS rules only for Firefox. It is a non-standard CSS rule and is only ...

Learn how to create browser specific CSS code to ensure cross browser compatibility for websites. Check out the CSS code for Chrome, Firefox, Edge, ...

Method 1: This method uses Mozilla specific extension to add CSS property. This extension supply the CSS property only in Firefox browser.

In this article, we will learn two different methods to write CSS, which targets only Firefox browsers.