Firefox 44 no longer renders CSS -moz-box-shadow

Discuss how to use and promote Web standards with the Mozilla Gecko engine.
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Joined: February 25th, 2016, 9:41 am

Post Posted February 25th, 2016, 9:47 am

Not sure if this is a bug or a conscious decision, but users of FF 44 will see pages making use of the CSS style -moz-box-shadow rendered incorrectly.
What happens is Firefox now ignores this property and looks to the standard box-shadow. However, Firefox renders box-shadow differently from other browsers. Is this a bug that Mozilla will fix or do I need to create a new way of generating a box shadow?


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Post Posted February 25th, 2016, 5:36 pm

What's the difference from other browsers? I don't see anything called out in the notes here:

Can you link to a demo illustrating the problem? For example, you can use JSFiddle (

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