gecko-dev/mobile/chrome/content/deckbrowser.css

зеркало из https://github.com/mozilla/gecko-dev.git
deckbrowser {
    -moz-binding: url("chrome://browser/content/deckbrowser.xml#deckbrowser");
}
	`deckbrowser {`
	`-moz-binding: url("chrome://browser/content/deckbrowser.xml#deckbrowser");`
	`}`