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

@-moz-document url-prefix(chrome://mozapps/content/extensions/extensions.xul) {

#extensionsView richlistitem[isDisabled="true"] .addonIconStack,
#extensionsView extension[disabled="true"] .extension-icon-stack,
#extensionsView richlistitem[isDisabled="true"].addonIcon {
    background-image: url("data:images/x-png;base64,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") !important;
    background-position: top left !important;
    background-repeat: no-repeat !important;
    }

}