How to Create Your Own Firefox Theme with Firefox CSS

Media queries allow you to apply CSS styles depending on a device's media type (such as print vs. screen) or other features or characteristics. Testing media queries · Media · Width · Reduced motion

5 天前 · The CSS media queries module enables testing and querying of viewport values and browser or device features, to conditionally apply CSS styles based on the ... Reference · Guides · Related concepts

The DOM provides features that can test the results of a media query programmatically, via the MediaQueryList interface and its methods and properties.

The CSS Media Query gives you a way to apply CSS only when the browser and device environment matches a rule that you specify, for example ... Media query basics · More complex media queries · Do you really need a media...

5 天前 · The @media CSS at-rule can be used to apply part of a style sheet based on the result of one or more media queries. CSS paged media · Width · Namespace · Device-width

CSS media queries can be used to help users with disabilities better experience your website. Reduced Motion.

Hi, Media queries use max-width as a parameter, not max-height. Kindly check your parameter and try again. I hope this helps

I wanted to write a media query for when the page is viewed in Firefox, and adjust the margins, etc. of a specific element.

To show current media queries open settings (F1 from dev tools) and check Show Browser Styles under the Inspector section.

Remember to always use '' -moz-transform: '' in order to display elements correctly in Firefox. Display full code if need more help.