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Test on Mozilla Firefox 43

Perform real time live interactive testing of your webapp, website for cross browser compatibility on the latest Mozilla Firefox version 43. You can test your web application for functionality, visual bugs, and a lot more by performing cross browser testing.

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CSS Backdrop Filter

Method of applying filter effects (like blur, grayscale or hue) to content/elements below the target element.

CSS background-repeat round and space

Allows CSS background images to be repeated without clipping.

CSS overflow-anchor (Scroll Anchoring)

Changes in DOM elements above the visible region of a scrolling box can result in the page moving while the user is in the middle of consuming the content. By default, the value of overflow-anchor is auto, it can mitigate this jarring user experience by keeping track of the position of an anchor node and adjusting the scroll offset accordingly

CSS widows & orphans

CSS properties to control when lines break across pages or columns by defining the amount of lines that must be left before or after the break.

CSS Device Adaptation

A standard way to override the size of viewport in web page using the @viewport rule, standardizing and replacing Apple's own popular viewport implementation.

selector list argument of :not()

Selectors Level 4 allows the :not() pseudo-class to accept a list of selectors, which the element must not match any of. Selectors Level 3 only allowed :not() to accept a single simple selector. Thus, :not(a):not(.b):not([c]) can instead be written as :not(a, .b, [c])

CSS font-rendering controls

@font-face descriptor (currently defined as font-display) that allows control over how a downloadable font renders before it is fully loaded.

#rrggbbaa hex color notation

The CSS Color Module Level 4 defines new 4 & 8 character hex notation for color to include the opacity level.

CSS Motion Path

Allows elements to be animated along SVG paths or shapes via the offset-path property. Originally defined as the motion-path property.

inputmode attribute

The inputmode attribute specifies what kind of input mechanism would be most helpful for users entering content into the form control.

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.

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