Test on Mozilla Firefox 40
Perform real time live interactive testing of your webapp, website for cross browser compatibility on the latest Mozilla Firefox version 40. You can test your web application for functionality, visual bugs, and a lot more by performing cross browser testing.
ELEMENTS NOT SUPPORTED IN MOZILLA Firefox 40 BROWSER
#rrggbbaa hex color notation
The CSS Color Module Level 4 defines new 4 & 8 character hex notation for color to include the opacity level.
:placeholder-shown CSS pseudo-class
Input elements can sometimes show placeholder text as a hint to the user on what to type in. See, for example, the placeholder attribute in HTML5. The :placeholder-shown pseudo-class matches an input element that is showing such placeholder text.
CSS @apply rule
Allows a set of CSS properties to be applied using a named variable
Explicit descendant combinator >>
An explicit, non-whitespace spelling of the descendant combinator. A >> B is equivalent to A B.
Media Queries: interaction media features
Allows a media query to be set based on the presence and accuracy of the user's pointing device, and whether they have the ability to hover over elements on the page. This includes the pointer, any-pointer, hover, and any-hover media features.
CSS Conical Gradients
Method of defining a conical or repeating conical color gradient as a CSS image
CSS Cross-Fade Function
Image function to create a "crossfade" between images. This allows one image to transition (fade) into another based on a percentage value.
CSS Grid Layout
Method of using a grid concept to lay out content, providing a mechanism for authors to divide available space for layout into columns and rows using a set of predictable sizing behaviors. Includes support for all grid-* properties and the fr unit.
Non-standard method of scaling content.
system-ui value for font-family
Value for font-family that represents the default user interface font.
Information sourced from
"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.
Other Browsers to Choose From
You can choose from a range of 1400+ desktop and mobile browsers including Internet Explorer, Safari, Internet Explorer, Edge, Yandex, Opera, and Firefox allowing you to ensure that your customers get pixel perfect experience across all screen sizes, devices, operating systems, browsers, and resolutions.
Fastest Way for Cross Browser Testing
You can test your website for cross browser compatibility across all Firefox browser versions using LambdaTest
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Check your website on all Safari browser on Mac and Windows for cross browser compatibility with LambdaTest
Perfrom cross browser testing of your website/ web app across all IE verions using LambdaTest
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