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I have disabled the change background image option on computers in my business but firefox has a hole that allows for this to be over ruled. Anythihng I can do?

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omarcossio119
omarcossio119
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I locked the background change option but firefox has a hole that still allows for the background to change. Is there a way to disable that option on firefox as well?

I locked the background change option but firefox has a hole that still allows for the background to change. Is there a way to disable that option on firefox as well?

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cor-el
cor-el
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Add code to the userChrome.css file below the default @namespace line.

The customization files userChrome.css (interface) and userContent.css (websites) are located in the chrome folder in the user profile folder. 

@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* only needed once */

#context-setDesktopBackground { display:none!important; }