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

#checkFeeds { border: none !important;
margin: 0px 0px 0px 0px !important;
padding: 5px 5px 5px 5px !important;
   list-style-image: url("chrome://browser/skin/Toolbar-small.png") !important;
   -moz-image-region: rect(0px 64px 16px 48px) !important;
}

#discoverFeeds { border: none !important;
margin: 0px 0px 0px 0px !important;
padding: 5px 5px 5px 5px !important;
   list-style-image: url("chrome://browser/skin/Toolbar-small.png") !important;
   -moz-image-region: rect(0px 80px 16px 64px) !important;
}